25 made a noticible change. We installed a champ kickout pan ,very similar design, but with their louvered tray. So can I say if it liked more fuel and a little less A/F. 0055 x bore 2nd). i purchased your secrets to winston cup engines , art of cheating ,. 250 stroker kit. Re: Theory of 4 valve poly quad cylinder heads. Aiming for 700 hp on pump gas. Just a heads up. On a factory Chevy engine, you should be able to mill a little more than. Adger Smith Performance Engines. They claim up to 600-700 hp. less than 14 inches of vacuum at 900 rpm. A flat top piston in a 383 will produce over 10:1 with a 64 cc head, depending on compression height and valve relief volume. Forums Topics Posts Last post; Intro. We accomplished the same thing, by leaving the valve sizes alone, and changing the centerlines for each valve. Most acceleration tests are 300 or 600 rpm stepped tests. Bushing lifter bores in solid roller race engines and opening up the pass side oil galley past the second lifter bushing. My first thought when building the virgin short block was to do a 496. Maybe David hasn't participated in the forum since March, is because no one in the forum, has asked him any questions in the last 3. Gasoline offer 18000 BTU/lb. hello don ! bunner engines here. 9 diff?. I like the idea of a more 50 degree-like flow profile on a 45 degree seat, especially for my build. Here's the cam that's working best with the EQ heads and Edelbrock intake. Jack 3. 3 heads have the heart shaped chambers and are d-ports not round ports. So can I say if it liked more fuel and a little less A/F. by WeingartnerRacing » Thu Jul 21, 2011 7:42 pm. Tech Talk on by RM@dmin. This is to keep David's detractors from hijacking the treads. Last Post by speedybuick. Don Terrill’s Speed-Talk. This motor has AFR 210 heads,Comp Cam roller 440 lobes 1. Location: Oakville, CT. 3 head then make the runner closer to lets say 180cc might help out the low end of the 5. Don Terrill’s Speed-Talk. Blend of natural solvents and detergents. 297 CC intake runner volume / 107 cc exhaust , 56. If you use a reamer, then shoot for. SpeedTalk is now Don Terrill's Speed-Talk. com Racing's Best Tech Forum. Aluminum oxide is an extremely aggressive abrasive. Both cams are hydraulic flat tappets, and both use factory 1. Th350 with a 10 inch 3600 stall 3. m with no issues. Honed with Sunnen honall and measured with Sunnen valve guide bore guage. I'm in the middle of a 427 Dart SHP build. Last post Re: Decking SBC Dart Little M. Reply Quote. Ring seal which dictates blowby is all about the rings, cylinder wall finish and cylinder wall material, not to mention precision ring grooves and piston design. 2 barrel circle track engine build recommendations. 5 to 10. 25 long side at a 3 degree angle will have a height of. by WeingartnerRacing » Thu Jul 21, 2011 7:42 pm. Side by side to a stock un-modified manifold you will notice its larger size but ontop the engine by itself noone will be able to tell. 1,601 likes. Last post by John S. Don Terrill’s Speed-Talk. Aluminum oxide is an extremely aggressive abrasive. Now do it again at 300F oil temp. If you can shorten the stroke or attendent rod ratio and can keep the engine package size down you reduce the swept area thus helping to reduce heat lose from the engine. so far: AFR 220 competition heads with the small circle valve spring and titanium retainers. I know a few folks here were also on that forum, and I've posted at least a few links to relevant posts over there. Automotive Repair Shop. a few hundred ft and barometer dropped a little more. I'm doing a SBC and the rings are Total Seal. 020 down in the hole. m with no issues. RYGER Engine. It is possible that the engine may not want this additional timing. Joined: Tue Mar 27, 2007 10:56 pm. 60 (and it may vary a bit depending on application) but "the right number" is somewhere in that range. The cost of pressing pistons on rods is about $50. All things "David Vizard" go in the David Vizard Forum. Forums » Grassroots Motorsports » I need more RPM from my sbc. Take it for what it's worth. 1 2 3 4 5 67 Next Announcements Replies Views Last post Keep Speed-Talk ad free by speedtalk » Thu May 26, 2022 1:52 pm » in Announcements 1 Replies 66523 Views Last post by speedtalk Tue Jun 07, 2022 7:46 pm Speed-Talk's Founder: Don Terrill (1963-2018) by CamKing » Sun Jun 23, 2019 5:13 pm » in In Memory of Don Terrill 0 Replies 104813 Views. The problem is that two engines need may different jetting because of the vaporization, distribution, and fuel curve characteristics of the carb. Elston Exhaust. Bobweight is 1740's. Joined Aug 26, 2018 Messages 146 Reaction score 52. The factory L86 LT1 cylinder heads runner volumes and chamber sizes are as follows. 0035 on the mains and. OK, so the I busted off the 327 in the Produce truck and had a weird noise. 050” good to 7200 RPM. In-Tech Vendor Posts: 2775 Joined: Wed Apr 21, 2010 8:35 am Location: Fresno, CA. They have 2. This is the website print out for what I consider race head 18-degree heads. 23 gears in a full factory weight 1979 Trans Am at 3800 lbs. 460 Ford build • Speed Talk. Not a ton of FE experience but I figure it is like other engines. by bobhatton Wed Sep 02, 2020 4:22 pm. 1 compression ratio and detonation. 5:1 - Same as 9:1 except aluminum head used Light vehicle and no towing. 4:1* (flat top) 380" road race SBF. Hey guys I’m building a sbc 414 dart little m block molnar rotating assembly, cp carillo pistons, little John motor sports cam and it’s going to have a forced inductions s491 turbo on it. these machines are fast becoming more difficult to find and purcha. 10/22/2023 12:40AM. Tue Jun 07, 2022 3:46 pm. Normally, when I try a spacer, it is to look at what that particular engines wants. Animals and Pets Anime Art Cars and Motor Vehicles Crafts and DIY Culture, Race, and Ethnicity Ethics and Philosophy Fashion Food and Drink History Hobbies Law Learning and Education Military Movies Music Place Podcasts and Streamers Politics Programming Reading, Writing, and Literature Religion and Spirituality Science Tabletop Games. D585 AC Delco#, These are supposed to be the "hot" truck coils, but there are AC Delco and Melco/Mitsubishi versions and different. A narrow LSA on an engine with a crappy exhaust and intake just produces a poor idling, no low end torque, fussy to tune motor vs the same cam with a. Heads flow about 350 cfm @ 0. In the big Block Chevy engine there are two distinct points within the rpm range that present a problem. His wife has made a couple posts but my impresion is a bunch of people. Anybody know what it weighs? I have the manuals but it doesn't indicate weight. 0003 or more differences. The guy who assembled it had 289 heads with the pushrod slots and rail rockers on it. The engine will be a steel or aluminum block, 5. I have daily driven engine with as much as 266 I and 272 E @. 11 July 2023 05:18: Updated forum's ranking. Re: 410 sprint car bore/stroke. But what is it really? What does. I've seen some good input from racers doing this on high compression engines, being able to burn 87 octane pump gas with 10. From my experience, the more highly refined and efficent the engine is on gasoline, the less benefit you'll recieve from alky ie, a 406 sbc bracket motor with track 1 heads and 12. The entire inside tends to get condensation & rust spots depending on temperature and humidity just setting around, especially in a nice tight plastic bag. Abbottracingheads wrote: The best 2. The person making these statement used to work at Federal Mogul. 5L engine that is vented from the valve covers flows gas up continuously on the passenger side oil drains, while the direction of the gas flow in the driver side oil drains fluctuates with the engine cycle. If you intend to feed 700 hp, a first approximation for the fuel you will need is about 0. But what is it really? What does. Come join the discussion about. 00" installed height. This might be between 6 and 10 degrees. Looking at building a 482 inch FE engine using a 427 block and a SCAT 4. There are coils with the same ohms, (primary or secondary), which will ONLY work with CD electronics and some will ONLY work well with INDUCTIVE electronics. Posts: 4653. We installed a champ kickout pan ,very similar design, but with their louvered tray. 0:1 compressions on the Merlin engine in the Spitfires. Tue Jun 07, 2022 7:46 pm. Speed Talk news, where we've been and what we're working on. Speed limit ranges from 65 MPH to 75 MPH (posted, most drive faster). This motor has AFR 210 heads,Comp Cam roller 440 lobes 1. engine that recently brought it in for a rebuild but not before explaining that the engine had lost 3 cams in the course of 6 weeks before arriving on my door step. Who rebuilds/recurves distributors, recommendations;. Figure the BTU's on how the fuel is burned, by pounds of air. 2 barrel engine. Big Block Chevy Combinations overwhelming for a beginer. Matthews, NC 28104. who has built one, and would you care to share your engine combo and hp. 050" lift cam. Restart and run speed up and down to thoroughly agitate solution. Speedtalk Forum is open for new posts!!! Mopar Official you should be able to reset your password now if you couldn't before. by PackardV8 » Fri Aug 25, 2006 2:34 am. Clearances- Mains. by rfoll » Sat Oct 10, 2015 4:20 pm. Mix 1 pound Baking Soda in 2 gallons of water. Basically methanol is a far less powerful fuel on a pound per pound basis. 08 valves with a 2. Walter R. by WeingartnerRacing » Thu Jul 21, 2011 7:42 pm. Looking at building a 482 inch FE engine using a 427 block and a SCAT 4. Floating piston wrist pins. Re: Theory of 4 valve poly quad cylinder heads. Skat forged crank and Scat Pro-Comp extreme duty I-beam rods. This is a compilation/composited from a thread in the Speedtalk engine forums. Bowtie siamesed block, scat lightweight crank, manley H-lite H beam rods, wiseco -18cc dish pistons. Re: Fuel pressure at carb. 9 Topics 51 Posts Last post Sniper 4500 Stealth by jmarkaudio Nov 06, 2020;. 1 2 3 bwh998 New Reader 12/23/19 10:18 a. 7 and a dynamic compression of 8. Posts: 740. 25 long side at a 3 degree angle will have a height of. 039" thick head gaskets. Ryan 383 by tony knight, on Flickr. If the subject engine does not follow these rules, then the camshaft is not the correct one of optimum performance. I'm doing a SBC and the rings are Total Seal. Building a flowbench is quite a project, also a learning experience. Location: NORTHEAST. 0015”, just use one +. Whenever I have an engineering question that's out. Post by Brian W » Wed Apr 18, 2012 12:03 pm. 0035 x bore second. OK, so the I busted off the 327 in the Produce truck and had a weird noise. engine that recently brought it in for a rebuild but not before explaining that the engine had lost 3 cams in the course of 6 weeks before arriving on my door step. Most acceleration tests are 300 or 600 rpm stepped tests. Posts: 740. The small bore size probably kills some airflow but can't do much about it. Location: Re: SBC enginetech headset. Rick Roberts. single plain intake vortec. Speed Talk news, where we've been and what we're working on. 7 402 int,313 exhaust. 66494 Views. 30 January 2022 05:54: Updated forum's ranking. hello don ! bunner engines here. 73 rear gear. 050” good to 7600 RPM. Last Post by speedybuick. com recently passed away. Service plan begins as soon as you activate your SIM card service. Tue Jun 07, 2022 7:46 pm. Oil viscosity, which is the resistance of oil to flow, changes dramatically with temperature. But the first thing is to select a bearing width that fits the chamfer on the ends of the journals. "I ran the. Factory block, mid 90's casting. Spoke with there tech people and they offered a new set of springs. I usually roll or hang those 'bay-fresh' engines over a cut-open cardbox and poke around with a large screwdriver and a steel wire-brush to get the thick and dry crud loose enough to fall off. 5 pounds per hour per hp, so you are looking for a pump that at a minimum can deliver 350 pounds per hour or about 54 gal/hr * at the fuel line pressure you will be using. Joined: Tue Mar 27, 2007 10:56 pm. by speedtalk » Sun May 30, 2021 4:30 pm. I am looking to build a 100% street-driven, daily driver, 427 LS Stroker motor, starting off with the DART SHP LS 427 short block. Where alcohol offers 9000 BTU/lb. These are the cam specs. If you buy new rods, the bushing option for floating pins is about $50. The number of combinations out there for a big block Chevy build is completely starting to overwhelm me. Wet sump oiling. From my experience, the more highly refined and efficent the engine is on gasoline, the less benefit you'll recieve from alky ie, a 406 sbc bracket motor with track 1 heads and 12. This is a compilation/composited from a thread in the Speedtalk engine forums. Elston Exhaust. Joined: Mon Dec 12, 2016 8:37 pm. Anyone can. I am building a new 400 block from scratch. The pcv connection needs to be in or near the carb. Posts: Joined: Sat Aug 27, 2011 5:46 am. Motor originally fitted with Harland Sharp, ran 1 season, no breakages or failures, lash was changing, checked and dismantled rockers and the trunnions were wearing/failing. 030, Rods 0. This combo is the engine builders suggestion for my stall verter and rear gear and the weight of my car. 22 September 2021 08:40: Updated forum's related forums. 25 made a noticible change. 050” good to 7000 RPM. Is it possible to compile a list of quality cam core and lifter manufacturers so that engine builders can be informed and ask intelligent questions when purchasing parts. The price is not out ragious at $1400. CNC BLOCKS. In Memory of Don Terrill. Wireless Broadband Internet Service. Marine engines would lose fitted seats when the water cooled exhaust manifolds cracked or corroded and the chambers got a shot of cooling water. This engine is going to be drag race only (just a bracket car with 14. Performs heavy duty cleaning without using hazardous and caustic alkali cleaners. Post by In-Tech » Wed Mar 29, 2017 9:04 am. and other things. Side by side to a stock un-modified manifold you will notice its larger size but ontop the engine by itself noone will be able to tell. ProMaxx makes a good head, it's been discussed a few times over on the SpeedTalk forum, which is more of an engine builder, head porting specialist, machinist frequented board. ) kart engine, 70 HP at 17500 rpm, good fuel economy and emissions to boot. This is to keep David's detractors from hijacking the treads. Here is a 421 build that has been duplicated many times with the same results. 5 exhaust. In a race engine operating between 5000 and 7000 rpm, the overlap period is more like 60-100. Location: Denver, NC. Filling Ports on 351c Torker Intake. Fill system with water, run speed up and down for several minutes and drain. add 80 pounds centered from block ± 3 inches. C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette. Now do it again at 300F oil temp. donc Guru Posts: 1188 Joined: Sat Dec 04, 2010 2:10 pm Location: Re: Green Loctite under exhaust seats? Post by donc » Fri Jan 20, 2012 5:27 pm. If they are extra hard iron guides, add a little more. by PackardV8 » Fri Aug 25, 2006 2:34 am. 030, Rods 0. flst, The 3 groove valves were designed to rotate. Factory block, mid 90's casting. by MDH06 » Tue Nov 06, 2007 8:29 pm. imagenfap, in n outs near me
12 grams/gallon that was considered the typical 1960's standard for pump fuel. . Speedtalk engine forum
Here's the cam that's working best with the EQ heads and Edelbrock intake. I'm rebuilding a street 327 SBC and one commonly-available oil pump that was often recommended for this application was a Melling "Select" #10553. by racear2865 » Wed Nov 17, 2021 2:26 pm. A 170cc runner Vortec head flows almost the same numbers and I know the Vortec engines were 5. Engine Tech - Don Terrill's Speed-Talk Engine Tech Moderator: Team 41501 topics Page 1 of 831 1 2 3 4 5 831 Next Announcements Replies Views Last post Keep Speed-Talk ad free by speedtalk » Thu May 26, 2022 1:52 pm » in Announcements 1 Replies 69608 Views Last post by speedtalk Tue Jun 07, 2022 7:46 pm. Maybe David hasn't participated in the forum since March, is because no one in the forum, has asked him any questions in the last 3. 2003 IRL Indycar. Current cam specs are: (solid roller) 279/291 @ 0. 297 CC intake runner volume / 107 cc exhaust , 56. 001” bearing half and one +. Re: 355 holden - 685hp with OEM iron heads. For someone that doesn't build a lot of sprint car engines, the biggest issue you will run into, is figuring out the best injector placement. Pretty easy to make 600 with 10,000 dollars. All 8-cylinder cars must have a 6200 rev limiting device and must weigh 3000 lbs, including driver after. 2500 lb sport mod running 1/2mile slicker than usual track. 1 2 3 bwh998 New Reader 12/23/19 10:18 a. 960" length valve (F6101). I'm seeing that Splash Zone is a popular choice for this and that Goodson's kit is. If you intend to feed 700 hp, a first approximation for the fuel you will need is about 0. "I ran the Speed-Pro division for a couple years. Speed-Talk’s Founder: Don Terrill (1963-2018). Last post by John S. Last post. Running at a peak of 13. They pay about $150 for the whole short block box - $250 if it includes cam, lifters, rockers pushrods and valves. I have no call logs. If you can shorten the stroke or attendent rod ratio and can keep the engine package size down you reduce the swept area thus helping to reduce heat lose from the engine. Depending on your clearances and how hot the engine runs, you will most likely need a 10w-30 or 15w-50 synthetic racing oil. I want to build a 421 CID with a 4. If you use a reamer, then shoot for. Keep Speed-Talk ad free. Tue Jun 07, 2022 7:46 pm. Speedmaster's Black Friday sale is causing orgasmic posts on one of the Mopar sites I frequent. wire from the mounting screw hole closest to the "C" terminal directly to the engine. Both are intended to rev 7500 +. 55 mach or 0. com Racing's Best Tech Forum. Enginetech is the "generic" line of one of the big warehouses. If they are extra hard iron guides, add a little more. Speed-Talk’s Founder: Don Terrill (1963-2018). A few cans of Brake clean will usually wash a lot of the remains away. Nothing special. The point being that the narrow angle (15 deg. Th350 with a 10 inch 3600 stall 3. Air filter recommendation. by Dirt_Racer » Fri Sep 10, 2021 2:13 am. Not a ton of FE experience but I figure it is like other engines. Joined: Tue Mar 27, 2007 10:56 pm. Engine Tech - Don Terrill's Speed-Talk Engine Tech Moderator: Team 41501 topics Page 1 of 831 1 2 3 4 5 831 Next Announcements Replies Views Last post Keep Speed-Talk ad free by speedtalk » Thu May 26, 2022 1:52 pm » in Announcements 1 Replies 69608 Views Last post by speedtalk Tue Jun 07, 2022 7:46 pm. Was wondering if it is possible with AFR's big heads and 850cfm or bigger carb. Shorten , limit , restrict the mechanical advance curve to 10-12deg of travel. Once this is established, then he can go back and attempt to add 4 to 6 degrees of vacuum advance and evaluate the change. One advantage we have over the bad old days is light weight pistons and pins. When you increase the timing at idle the speed of the engine goes up. com Racing's Best Tech Forum. 5:1 comp is going to gain a lot more power, percentage wise, than a 298 SB2, purpose built comp eliminator engine or a 700+ cube Top Sportsman engine, however. However, they could be a china copy, like a lot of "their" parts. This might be between 6 and 10 degrees. I have always found that with a decent oil pump and proper oil system that clearances for rods up of about. I bought it for the short block, but I actually got a complete engine. - Speed Talk Details | Monetization | SEO Data | Keywords | Topics | Related Forums | Related Blogs | Executive Summary | Recent Posts Visit Forum » Forum. Is it possible to compile a list of quality cam core and lifter manufacturers so that engine builders can be informed and ask intelligent questions when purchasing parts. donc Guru Posts: 1188 Joined: Sat Dec 04, 2010 2:10 pm Location: Re: Green Loctite under exhaust seats? Post by donc » Fri Jan 20, 2012 5:27 pm. Forums » Grassroots Motorsports » I need more RPM from my sbc. Speed-Talk Topics Posts Last post Announcements Speed Talk news, where we've been and what we're working on. 460 Ford build • Speed Talk. 5:1, 7. Tue Jun 07, 2022 7:46 pm. I have a 373 Dart 9. #1 · Jul 1, 2019 Among some of the improvements to the new Don Terrill's Speed-Talk, is the new Vendors section, where racing related vendors can promote their products, answer questions, and offer discounts to HotPass members. This car is screaming for a Old school T-ram with a pair of Holly 660s , because that dual plane will choke your engine big time at anything above 5000 rpm! Porting the heads and install bigger valves would be very. -PISTONS - Must be flat top and have 4 valve. Ran it in on the road at 50% throttle varying load and rpm for 50mls. 6 c. Adger Smith Performance Engines. 125 unless you get into a crank with a pressure rolled fillet often a feature of Chrysler. Hey guys! I've been searching and searching but I haven't come up with much. I see a lot of ZDDP discussions on the forum and I thought some of you might be interested. BillK wrote: ↑ Thu Dec 16, 2021 1:16 am BV, Just to explain. They pay about $150 for the whole short block box - $250 if it includes cam, lifters, rockers pushrods and valves. It is possible that the engine may not want this additional timing. Joined: Wed Aug 08, 2007 8:05 pm. 50 valves and the casting number ends w/ 059. Eric Weingartner has ASSEMBLED Profiler 210's for $1200 US for hyd roller to. I was wondering if these could be transformed into a decent powerplant. BillK wrote: ↑ Thu Dec 16, 2021 1:16 am BV, Just to explain. 5:1 - Quench head engine for tow service, motor home and truck. 903 794 7223 shop. 390 ci limit. Probe 2618 aircraft race grade pistons 4. 030, Rods 0. Posts: 740. 295 18-degree flows:. 0:1 for very powerful engines using high octane fuel around 115. Location: Ontario, Canada. C3 Tech/Performance - Speedtalk - Is back up. I am building a new 400 block from scratch. I don't know who is actually running it. A triangle with a 2. Joined: Mon Dec 12, 2016 8:37 pm. the best flowing stock gm casting for a 305 is the vortec truck head from the '96-99 gm pickups which came w/ a 5. Oil and filter are changed immediately after 20 minute break in while engine is hot. Tue Jun 07, 2022 7:46 pm. Speed Talk news, where we've been and what we're working on. Ford 351W Lifter Restrictors. D585 AC Delco#, These are supposed to be the "hot" truck coils, but there are AC Delco and Melco/Mitsubishi versions and different. Your gonna need alot more than $17500 to make even 550 honest on a 4" bore. The engine stalls at around 3000 rpm or slightly lower and has only 4. 100LL is around. Posts: 740. Last post by John S. Please contact us about your automotive engineering needs. Marine engines would lose fitted seats when the water cooled exhaust manifolds cracked or corroded and the chambers got a shot of cooling water. Re: cylinder head, block decks, intake manifold alignment. Service plan begins as soon as you activate your SIM card service. Matthews, NC 28104. 73:1 gears rolling on 225/70/15's. 5 stroke looking for 7500+. It uses the bigger arp bolts where is where the rods tend to fail. Posted by a Speedtalk forum member. Oberg external oil filter system. Always wipe the end rails on the block and intake clean with brake cleaner so the silicone bonds and prevents leaks. . best chinese around me