Aftermarket Product ReviewProvide questions and answers about aftermarket parts for the Third Generation F-Body.
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Just wondering if any of you guys had read the recent "danger mouse" series of articles in Super Chevy magazine. As of right now, they are claiming to be pulling 386 flywheel hp and 440 lb/ft of torque out of a 355 with an Edelbrock Performer RPM Air Gap manifold, stock heads, Comp XE262 cam, 1 3/4"(?) headers and a Road Demon 750 double pumper.
I'm thinking that those "stock" heads MUST be ported. Doesn't that seem just a bit extreme?
Furthermore, it doesn't seem to me that the 1 3/4" headers match very well with the heads and cam, nor does the 3 1/2" exhaust that they have out back!
Anyways, I was just wondering what you guys thought about this setup... I've got the XE262, a Holley 750, 1 5/8" headers and I can afford to get the intake... It would be a cheap project if the engine actually made that much power - flywheel or not.
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1986 Red Z-28 Camaro
'81 355cid, 10.43:1 compression, fully ported/polished 416 heads (machined to 64cc w/ 1.94 intakes and checked by a professional), Isky 270 'Mega' cam (228 @ .050, .465 lift), Hedman 1 5/8" shorty headers, Edelbrock Performer RPM intake, custom 2.5 - 3" y-pipe, Flowmaster 3" exhaust. Non-CC Rochester Q-Jet (CK Secondaries, B hanger), no pollution controls, no cat, 3.23 posi rear.
Mods to come: Pro Lightning Heads, SS Hood, Comp Magnum roller rockers, MSD 6A, Intrax Lowering springs (1.8 rear, 2.0 front) 1LE aluminum driveshaft, Spohn Lower Control Arms, 3.73's, rear discs. Most importantly: PAINT!!!
I believe they say so in the article. The heads were slightly ported.
__________________ 408 SBC
Mighty Demon 850
Dart Iron Eagles fully ported 2.08/1.60 valves
Edelbrock RPM Air Gap intake
256/262 .600/.600 Erson solid roller
NWC T5 (can you believe it ?)
MSD Digital6 ignition
Full exhaust
LED dash
LED tail lights and 3rd brakelight
17 inch chrome IROCs
Nitto 555 drag radials
According to the first article, the heads are not ported, however, they were milled, and new roller rockers were added, and a complete valve job... and I'm thinking that while they were in there, they figured that those ports looked a little rough - they ought to get a bit of a grind... and hell, why stop at a bit...
