406 sbc vs 383
Another pedestrian 383 in the works and I've a quick question regarding SCAT's 9000 series crankshafts. Plenty of hits here searching but nothing specific. The collection of parts is looking to keep peak RPMs to 6000. Maybe a couple of hundred more for some overspeed headroom. HP and TQ are not going to exceed 500. In street trim, I'd expect ...From the sixties and seventies, Pontiac and Chevy went head to head. They might be cousins from GM, but they attracted completely different buyers. Now, that...
Did you know?
Details. Xtreme Energy™ 224/230 Hydraulic Roller Cam for Chevy Small Block. Very strong torque with excellent mileage and a smooth idle. Xtreme Energy Cams™ bridge the gap between Magnum street cams and race only cams. Xtreme Energy Cams™ provide increased torque, vacuum, response, and power while still providing quiet operation of the ...Only on the last few dyno pulls of the day did they run the engine up to its 6,000-rpm redline, where they made just shy of 550 hp at 8 psi boost. Budget Blown 383ci Street SBC testRPMTQHPMax TQ ...Im looking for a cam with a choppy/ mild rough idle. The XR276HR has the following specs. 276/282 duration @0.006. 224/230 duration @0.050 W/ 502 &510 lift and 59 degress overlap. MY other cam options were the Comp Cams 280HR , 286hr, and the xr282hr. thanks for your time, Mark.No FACTORY sbc head casting can compare with a factory bbc head. The ONLY way a 400 sbc can compete with a bbc is with aftermarket heads, but then you lose a true and fair comparison. Secondly, a bbc can easily (even a 396/402) make 600+ hp with a stock block and factory casting heads with larger valves and some real mild cleanup work.Contact. 423-722-5152. Home. Should I build a 383 or a 427/434 Stroker? Here are a few good reasons why we think the 427/434 engine is a better choice than the 383 or 406 …I recently dynoed an engine I did that I thought was an interesting comparison to my 383. It is a 388 cube sbc with larger and much better flowing heads done by a professional. ( I'm not a professional ) Engine A. 950 HP carb, 2" open spacer, GM Bowtie intake, Dart 215 pro1 heads, ported to 236cc with 2.125"/1.60" valves.I've got the following fresh engine installed in my '69, which I just fired up for the first time this past weekend: 383 (stroked old-style 2pc rear main seal 350) with Eagle 5.7" rods, new stroker crank, and speed pro forged pistons. The heads are Trick Flow 23 degree, 2.02 intake/1.6 exhaust stainless valves, HD springs good to .540 lift.Manifold for a 383 stroker sbc. I'm building a motor for a weekend street cruiser. It's going to be streetable in my eyes. 10 to 1 static compression. All forged bottom end. Afr 210 heads. 3000 stall with my th350 tranny. 411 posi. 750 double pumper. This cam. 2600 to 6800 rpm solid flat tappet street/strip type.The Chevrolet ZZ383 Stroker produces 450 horsepower at 5,500 revolutions per minute (R.P.M.). The engine is popular with enthusiasts who re-engineer the 383 to produce more horsepo...415 posts · Joined 2003. #8 · Feb 18, 2004. I would go for the 406 anyday. To me, if you can make the same power with a 6,000 rpm 406 and a 7,000 rpm 355, then the 355 is more likely to break bottom end parts due to rpm. Now, if you can afford all the best in bottom end parts, then this may not seem big.Those 5.7 LS1 engines had a bore of 3.898 and a stroke of 3.622 compared to a 4 inch bore and 3.48 inch stroke in a traditional small-block 350. To make a 383 stroker LS, which utilizes a 3.905 bore and a 4 inch stroke, you either need to hone an LS1 just a touch, or take a 5.3 and bore it out .125. Block: Dart SHP 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.125" BoreCrankshaft: Smeding 4340 Forged Steel, Internal/External Balance, 3.800" StrokeRods: Smeding 5140 Forged Steel I-Beam with 3/8" Bolts, 5.700" LengthPistons: JE Custom 2618 Forged Aluminum, 18cc Dish, Coated SkirtsRings: Stainless Steel Top, Napi 406 SBC, AFR 195's, Comp 242/248 @ 50 hyd rol, RPM Airgap, 10.7 comp, 830 DP, 4000 stall, Turbo 400, 3.73 12 bolt posi, 383RWHP, 11.369 @ 118.71mph. ... i run the super victor on my 383. there are some issues with the upper plenium that need to be fixed but well worth the effort to fix. DO NOT run a 4 hole spacer is you donot fix this. DaveThe first thing you need to do is decide what kind of power you want to make. You can build a budget 383 stroker for 600 horsepower, but if you want 800 or more, you will need to spend more money. A 383 stroker is probably the best bang for your buck when it comes to making big power on a small budget. The next thing you will need to do is ...On the other hand, if the small block were really built to make 550 hp, mileage may not be too different. I just had a 406 built that I hope will be around 550hp. I will list the parts below. Keep in mind that I will be really happy with 550 hp. Compare the parts to the 383 posted. 406 10.5:1 compression Victor Jr intake quick fuel 850 carbHolley 241-137 Muscle Series Valve Covers, SBC, Polished Finish. View (1) $382.95 More Info. Compare COMP Cams 54-456-11 LSR Series Hyd. Roller Camshaft, LS. View (0) $515.95 More Info ... Between our BluePrint 383 crate engine and our junkyard special LS, which one will come out on top? Project Chevelle Episode 9: 383 Part Two + …Take care of these issues and a 406 will run just as well as a 383, but when you stomp the gas pedal you will feel the extra cubic inches the 406 has. 400 Pro s No if and or buts there is NO replacement for displacement: 350, .30 over, 3.75 stroke = 383 CI. 400, .30 over, 3.75 stroke = 406 CI. It cost about the same to build a 406 or 383.To illustrate my point, take a look at the chart below. I have illustrated the crank angles and relative piston positions of today's most popular racing engine, the 3.48" stroke small block 350 V8 Chevy in standard 5.7", 6.00", 6.125" and 6.250" long rod lengths in 5 degree increments.Re: Lobe separations on 383-406 cids.104-106-108-110? Post by trmnatr » Sun Dec 07, 2008 3:45 am jobes wrote: Anybody do any real testing on LSA in a 3.75 stroke small block chevy?I have always used 104-106 and was thinking about trying a 108 or 110 design.I know there is a lot of variables but just a general opinion from any experts.This is ...Consider Part Changes to Lower Static Compression Ratio. Another alternative if you still want to run a blower on your 383 c.id. engine, would be to change parts to lower the static compression ratio. You should be able to run a 7-8 psi blower with a 9:1 static compression ratio and the engine might run fine on 91 octane fuel.22556 posts · Joined 2007. #2 · Dec 16, 2009. I have used the Scat 9000 in 3.75" stroke in three 383's and a 406, all were 11-1 compression and run to 7500 rpm without failure. Two of the 383's are 4+ years old. Have also used the 3.48" stroke Scat 9000 in two 350's, one at 13-1 and 8200 rpm, the other 11-1 and 7500, no failures, so I guess I ...2608 posts · Joined 2007. #1 · Jan 30, 2012. hi, my buddy is finishing his 383 sbc. he is replacing the double humps with AFR and wants to know how much power to expect, and what size heads to buy. it is 12.5:1 compression. solid flat tappet , 550 lift, 250s@ 50 duration. edelbrock single plane intake running e85 with an hp 950 carb.if your looking to have a nice cruiser style engine combo, I,ve used this cam in several similar 383-406 SBC engines with very good results, and yes it likes a set of 1.6:1 rockers and I generally install it strait up not 4 degrees advanced it works ok with a stock stall converter but a 2200 rpm stall, converter would be ideal
5.7" vs 6" rods for sbc 406. which is better for street or strip. and what block prep must be done. Try posting this in the engine section for best results. 5.7 for street, short rod will rpm quicker from idle up. . . better pin location in piston to keep from side loading thrust side. 6.00 best for track, leaving at higher rpm takes advantage ...If you didn't have the 400, it would be easy to build a very nice 383 for about $500 more than a box stock 350. It will make lots of torque and very good power. But …Its good from idle to 7200 RPM and has the same airflow as a single plane. I run this type all the time on my 406 motors that I build. ... BUILT 383, 300 Shot of Nitrous, Work in progress, Shooting for Low 10's or High 9's. ... My opinion is the best single plane intake for the SBC. People don't realize how streetable these single plane intakes ...I am very happy with the throttle response also. I haven't tried a dual plane on it. With the solid roller and the 210 heads you 406 should really want to rpm. Mike. 70 chevelle. 420 sb combo - [email protected]. 405 sb combo - 11.87 @112.5. 307 combo - [email protected]. 68 chevelle 533 almost there.There is a third small block rod used in the 350 H.O. and ZZ4 engines that is a 5.940-inch powdered metal (PM) rod that is every bit as strong as the original "pink" small block rods. This rod was also used in the baby 265ci LT1-based engines from 1992 to 1994. There are two basic connecting rod designs.
To set up your SBCGlobal.net account in Microsoft Outlook, you need to provide the email client with the addresses of, and the connection settings for, the incoming and outgoing ma...Racing my good friend Dillon in his 79 406 Corvette. This is his very first pass ever down a track and my first weekend as well. This was about my 9th pass ...…
Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Here's some pics of my old setup. So really to . Possible cause: 383, 5.7" or 6.0" rods? Jump to Latest Follow 26K views 22 replies 10 p.
To illustrate my point, take a look at the chart below. I have illustrated the crank angles and relative piston positions of today's most popular racing engine, the 3.48" stroke small block 350 V8 Chevy in standard 5.7", 6.00", 6.125" and 6.250" long rod lengths in 5 degree increments.For this latest adventure, we assembled 19 small block Chevy single-plane intake manifolds and ran them all across a 550hp, 406ci small block Chevy. But that was just the start. We measured carb ...The only parts from the 350 that are available for the 383: are a set of Dart Iron Eagle heads (original ones, not the Platnium) 200 cc intake, 64 cc chambers, 2.02 intake and 1.60 valves. Crane Energizer roller rockers. Victor Jr. intake with Holley 3310-2 750 with adjustable vacuum secondary spring kit.
1977Chad350. 927 posts · Joined 2004. #5 · Sep 2, 2014 (Edited) you can always do fuel injected 400. but the 400 will be cheaper when all put together unless you find a donor ls car or truck. Around where i live you dont find a 5.3 under 300,000 miles, with that many miles your going to need to rebuild.Basically, the initial price difference of $1,248 is worth an additional 4 lb-ft of torque and 62 hp, and you can run on 87-octane fuel. If low-octane big-block torque from a small-block package ...
Run with the F-1A-94 and a 4.25-inch blower pulley, the supercharg speedracer119. Posts: 67. Joined: Wed Jul 05, 2006 5:38 pm. #13 by speedracer119 » Sun May 04, 2008 4:02 pm. ive been more impress by the 377. and there is a 6 cubic inch differnce between the two so i dont think you can say cubic inch will win this one. plus evryone and their mother has a 383. mikes machine shop 785-233-1252. Here are a few good reasons why we think the 427/434 engine iI chose this option because the shorter stroke 350 ( 406 SBC AFR 210's Victor Jr. intake 1200 cfm throttle body Force fuel injection Hyd roller 558/558 240/244 D1SC Procharger Alkycontrol meth injection ... 383 Small Block Scat 4340 forged crank,6" 4340 Scat rods SRP pistons 11:1 @ 0 deck Oregon Cam Grinders cam 252/260 @ .050. 542/555 liftA longer rod will give you much better performance than a 2.055-inch valve will ever get you. All said, you will not go wrong by opting for 2.055-inch valves over 2.02-inch valves. However, the same time/money spent in other areas will likely generate better results. Last edited by Corvette Kiwi; 05-16-2011 at 02:11 PM. I am very happy with the throttle response also. I haven't tried From the sixties and seventies, Pontiac and Chevy went head to head. They might be cousins from GM, but they attracted completely different buyers. Now, that...Cocktail cabinets are an excellent way to cram a two-player arcade into a small package. DIYer CircuitBeard shows off his build, which uses a Raspberry Pi as the brains. It’s a loo... My last 406 had the Victor Jr., 950 carb, and a 3500 stall. It was sIt provides a displacement cubic of 355 inches. The differencI have a chevy 383 that will make 450hp to the crank and i Jun 24, 2006 · 8,745. In my opinion, if someone owns a 350 block that is a good block, and wants to build a better motor then a 350, a 383 dollar for dollar is about equal and will usually out perform a equal 350. however, if starting from sctrach, without a block, a 400 based motor is a much better choice. As for the 396. Re: Real world street 406" SBC parts choices and re runn141 said: thinking of getting a set of dart aluminum 72cc heads. which would be better for the street 180cc or 200cc intake runner? the camshaft is an extreme energy 262 with a 469 lift. 64cc chambers and 180 cc ports would be the best choice with the XE 262 for anything less and than a 383. Bogie. C.more displacement tends to result in more torque and as a result potentially more power. if a 302 makes 1.5 hp per cubic inch, thats roughly 450 hp. if a 383 only makes 1.3 hp cubic inch, thats roughly 500 hp. Id also point out that with current after market components, the 383-406 can make exceptional power. All these rod-length and compression-height combos will produ[68ps383 Discussion starter. 106 posts · JoinedCurrently with a Small Block Chevy 350 all stock except Edelbrock P 406" SBC roller engine. 1972 Chevrolet #511 400 block with 4-bolt mains. 40 minutes dyno time only on entire engine. Line honed, honed with deck plates, decked to .000", new cam bearings and freeze plugs. Stock, GM 400 cast crank cross drilled, shot peened, and polished. GM 5.7" "pink" rods shot peened and reworked.Only on the last few dyno pulls of the day did they run the engine up to its 6,000-rpm redline, where they made just shy of 550 hp at 8 psi boost. Budget Blown 383ci Street SBC testRPMTQHPMax TQ ...