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Promaxx sbc dyno numbers

WebApr 2, 2024 · That said, the added flow and compression of the 243 heads produced our best overall numbers of the session with a power peak of 505 hp coming in at 6,200 rpm. That's 2 hp shy of the LS3's peak,... WebMay 24, 2013 · PROMAXX previously the Patriot freedom series SBC Aluminum head. I am building a 350 for my 1969 Nova. Save Reply Quote NovaLou Registered Joined May 20, 2013 71 Posts Discussion Starter · #5 · May 21, 2013 Peak HP 420 at 5,900 Peak TQ 417 at 4,300 Valve Sizes 2.02/1.60 Intake Port 185cc Chamber 64cc Valvesprings 1.430-inch …

Building The Little 383 Small Block That Could - Chevy …

WebSep 30, 2024 · Promaxx 9175 sbf flow numbers by travis » Sun Sep 29, 2024 4:05 pm I was pretty stoked after getting the intake numbers, then kind of bummed over the exhaust numbers. Here’s what we got... Intake .025”...15 cfm .050”...31 .100...63 .200...128 .300...179 (passed my ported E5AE’s at max flow) .400...226 (passed my ported D0OE’s at max flow) WebMar 29, 2024 · Here are some flow numbers I found on the BB 320 head: Jack Here are the flow bench results: ProMaxx head, factory valve job, 4.31 bore. This is with a Ferrea 6000 series 2.25 intake with a 30* back cut and a BBB 1.88 stainless ex. left port / right port/ ex .2 158.8 / 155.3 / 117.4 .3 230.6 / 238.0 / 157.3 .4 287.8 / 294.9 / 190.7 poly for drywall https://charlotteosteo.com

383ci Budget Chevy Stroker Makes 610 lb-ft on the Dyno! - MotorTrend

WebMar 8, 2016 · With the good service I got from the guys in the shop at Pro Maxx on the LS head I would not hesitate on considering them. Adger Smith Adger Smith Performance Engines 903 794 7223 shop 903 824 4924 cell [email protected] e-mail EthylCat Pro Posts: 232 Joined: Wed Jul 12, 2006 4:02 pm Location: Midwest Re: Promaxx 317 BBC … WebSmall Block Chevy ideling at 1400rpm.. 12-1 compression, .672 lift cam, forged 4340 crank, forged h-beam rods, wiseco pistons, Promaxx 225cc cnc ported heads... WebMar 17, 2024 · The the valve guide boss has been contoured with the bridge left behind the guide for "steering" The area on both sides of the guide boss has been opened up and deepened for flow. The intake flowed 218 cfm at .500" lift and 225 cfm at .600" lift but continued to flow with a slight increase as the valve was open further. shangyuan festival

Cylinder Head Power Curves - Chevy High Performance Magazine - MotorTrend

Category:Cylinder Head Power Curves - Chevy High Performance Magazine - MotorTrend

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Promaxx sbc dyno numbers

LS Cylinder Heads: Shootout and Cam Test - MotorTrend

WebJul 12, 2012 · The baseline power numbers are also down due to reduced compression (8.5:1 vs. 9.6:1) compared with the other heads; this was the only head tested with a 76cc combustion chamber, while the rest... WebMar 31, 2024 · 10.5 to 1 505. Promaxx 317 heads with a 2.30 intake. 250/[email protected].050 HR with .640 lift on a 108. I never had the heads flowed. Promaxx says 389 …

Promaxx sbc dyno numbers

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WebJun 14, 2010 · The specs are: .539/.548-inch lift with 1.6-ratio rocker arms. 234/238-degrees duration at .050-inch lift. 296/300 degrees total duration. 112-degree lobe separation. With the 383, we wanted a solid timing chain that was beefier than the stock setup, and one name immediately came to mind: Cloyes. WebJul 23, 2011 · Selah, WA Im looking for dyno numbers for people running an AFR headed 383 (perferably the 195cc) Im just trying to get an idea what my combo might put out. My specs are: 383 10:1 compression 1 3/4" headers AFR 195 heads .510/.520 lift roller cam RPM Air-Gap intake 770 carb Mallory HEI timing is 20 initial and 37 total all in by 2800rpm

WebJun 22, 2024 · Series One 185 SBC (Sold in Pairs) - PROMAXX Performance Products Series One 185 SBC (Sold in Pairs) $ 830.00 – $ 1,431.00 The 185cc series 1 heads are perfect … WebThe ProMaxx MAXX Series Small Block Ford Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Even the ''as cast'' heads utilize ultra-smooth new runner and chamber designs that produce ''CNC'd type'' flow numbers. While creating the 100% CNC Ported MAXX series, Many long hours on the flow ...

WebHand Bowl Blending. Precision designed Runners. Large Spring pockets. 200cc intake runner. Diamond honed guides. Chamber unshrouded. Machined and Assembled in the … WebAug 21, 2024 · Other specs: The engine is .040 over, has about 10.9:1cr w/ hypereutectic pistons, stock rods and crank, comp cams 282 magnum solid flat tappet, Eddy performer intake, Holley 750 dp ultra tuned by Davinci carbs in Houston, headman headers. It is fairly healthy but I was wanting a bit more.

WebDec 1, 2015 · They are cast of high quality A-356-T6 aluminum, and have approximately 3/4" thich decks. The port size is 183 cc (a 200CC version is also sold), and the casting of the …

WebMay 9, 2005 · Soon, the dyno showed 365 lb-ft of torque at 2,000 rpm, and moments later revealed a new best torque number of 434 lb-ft at 4,000 rpm. The peak horsepower … shangyu cityWebSep 8, 2024 · Run with the dual-plane, the ProMaxx -headed 347 stroker produced 434 horsepower at 6,200 rpm and 412 lb-ft of torque at 4,400 rpm. Torque production with the … polyform barnizWebThe 383 small-block has become incredibly popular in the small-block Chevy market. This is especially because the cranks are virtually no more … polyform buoy sizesWebJul 12, 2012 · On the plus side, the Vortec intake port flows 42 cfm better than the stock heads at 0.500-inch lift and 18 cfm better on the exhaust side. Vortec Iron, Scoggin-Dickey … shangyuan festival lightsWebDec 1, 2016 · With our tuning finally dialed in, the ProMaxx BBC heads demonstrated their worth on the 572 stroker by producing peak numbers of 850 hp at 6,800 rpm and 719 lb-ft … polyforme tahitiWebApr 20, 2024 · Reaction score. 6,312. Location. Pauline, SC. Jan 25, 2024. #1. I have been working on a set of "ProMax" cylinder heads for the past number of weeks. This is the first set of this brand I have had to work on so I thought I would make public some of my findings. I don't know where these are really produced and I'm not going to guess. shangyu nutrichem co. ltdWebAug 21, 2024 · It has a 357 SBC in it with cast iron Vortec 062 heads which have 170cc intake runners I believe (all 062 heads do, right?). Other specs: The engine is .040 over, … poly formation