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Bowtie-block 383cid, AFR 210cc heads, Comp Cams 300BR-14 solid roller, CSU Carbs Blow-thru, Vortech V-1 S-Trim, all in a small-tire '72 Chevelle.

 

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Big-M 565cid, AFR 315cc CNC heads, CSU 850cfm carb', Vortech V-4 XX-Trim with the "HD Race" bracketry (very nice)

 

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Posted these two backwards, as here's the same car in its 454HO crate motor iteration, ala the "Import Killer" build from Car Craft magazine. GM Performance Parts 454HO, AFR 315cc CNC heads, .656" solid roller (Comp custom spec', I think? Went through a few), CSU 850cfm single N/S, Vortech YSi @11psi for 750RWHP, was an 8.80 E.T. car at ~150MPH

 

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Cool man. Any data to share such as pulley combo, boost, dyno numbers, track numbers (with weight info)?
Took a bit to figure it out last year as this was my first blow thru set up I'd ever messed with but ended up making 12psi last year on that stock block 388, best we could run last year was [email protected] in a 3000lbs full bodied camaro on a 10.5.
Building a slightly bigger motor in a aftermarket block so we can throw some more boost at it this year so we'll see. Engine is about 2 weeks out so maybe get to do some testing here the next few weeks.
 

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Here's mine, work in progress...

Forged Internals (MMR) Coyote, Ported Heads, MMR Stage 3 Blower Cams, Kooks 1 7/8" Headers, Holley Sniper Intake, Vortech YSI-B, ATF Geardrive, Neil Chance Converter, etc.


 
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