labrat Posted March 13, 2004 Share Posted March 13, 2004 Here's what I've got going on so farin my 1981 280ZX, and I would like a few opinions on it. Anyway: Engine: 350/.040 over (cr~9.5:1)(cheap stock replacement shortblock from engine shop with DISHED pistons...) '98 vortech heads (Z28 valve springs, SS swirl polished valves) Crane energizer 272 cam (272* advertised duration, .454 lift, 110 LSA) Edelbrock performer RPM Air Gap intake (or cheap chinese knockoff, anyway) 670 CFM Holley Pro-Jection TBI/EFI (2X80PPH injectors) Holley in-line electric fuel pump (17 PSI) Shortie home-fab DIY weld up headers (UGLY!) dual 2.5" into edelbrock Y pipe to single 3" through single 50 series 3" inlet/outlet flowmaster muffler MSD 6AL w/MSD Blaster2 coil Stock points distributor w/Pertronix Ignitor electronic ignition module Summit 19X26" fully welded aluminum radiator w/Flex-a-Lite Black Magic fan Camaro T5 (non-WC) Tranny with Ram HD clutch, Hayes billet lightweight flywheel (24 LBS.), and tilton 7/8" master w/ camaro slave Still have to finish the wiring, weld up the exhaust, and plumb the clutch hydraulic line. Other than that, I'm just about roadworthy. Then I will have to get it inspected 8( Bill Quote Link to comment Share on other sites More sharing options...
A. G. Olphart Posted March 14, 2004 Share Posted March 14, 2004 Sounds like fun to me... Other than Projection vs. 650DP it's pretty close to the engine I'll be running. If you decide to run it through the 1/4 mile, I'd be curious about the times. Good luck with the wiring. Quote Link to comment Share on other sites More sharing options...
denny411 Posted March 14, 2004 Share Posted March 14, 2004 It sounds kind of mild to me. .454 lift isn`t much over stock. I would guess somwhere around 300-325hp? Quote Link to comment Share on other sites More sharing options...
labrat Posted March 14, 2004 Author Share Posted March 14, 2004 Well, I intended it to be fairly mild, and Vortec heads have some flow issues. I can't really go above .480 lift without machine work around spring pockets/valve guides, and the flow numbers of Vortech heads seem to die really fast at higher lifts, anyway. Desktop dyno is telling me about 340HP at 5200rpm or so with around 380TQ at about 4400 rpm. Torque curve never dropped below 350 ft-lbs from 2000 rpm till over 6k rpm. I've got the 6K pill in my MSD-6AL so that is my absolute rev limit. Gonna try not to hit it too much. Wiring is done, completed it today. Still doesn't look as good as I'd hoped for, and there's still way too much RED wire running (got rid of a bunch of it, though). Now I just gotta fabricate me some headers and plumb the clutch and she's ready to go! Bill Quote Link to comment Share on other sites More sharing options...
Guest crazymike Posted March 17, 2004 Share Posted March 17, 2004 Sounds like a pretty fun engine. I'd guess a solid 350hp give or take. The non wc tranny just might not hold up If you like driving like I do, otherwise, sounds like something I'd definitely take a spin in. Quote Link to comment Share on other sites More sharing options...
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