-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Rob
Sent: Friday, August 23, 2002 11:50 AM
To: [EMAIL PROTECTED]
Subject: [Chevelle-List] more info DAVE!!??
HEY Dave,
Hows about tellin us a little more about your car!!
Like; year,model,more engine details!,spec's on the rest of your drive
train, and last BUT certainly NOT least --
What kinda numbers does this ride run??? I'm a fellow drag racer and tend ta
be a fan of 406's. Also I like ta
keep a record of others engine combo's that work for future
reference....PLEASE? and THANKS........
-------------------------------------------------
ok, here's the lowdown..
'70 Chevelle Malibu, approx 3700 lbs with me in it.
'72 400 block, .030-over, 5.7 rods, Wiseco flat-top pistons, rotating
assembly balanced.
(All machine work done by Michael's Racing Engines, Macedonia, Ohio -- very
good shop to work with)
All engine assembly done by me. :-)
Cam, 234/244 @ .050, .488/.510 lift (Summit Cam), regular double-roller
chain.
Heads, '71 487X castings, allegedly from a '71 LT-1. Lightly ported. Crane
1.5 Roller Rockers. Don't have any flow numbers.
Intake: Performer RPM (not air-gap), Holley 750 vacuum secondaries
Exhaust: Hedman 1 5/8" dumping into 2.5" exhaust system. I have cutouts
right after the collectors that I open up at the track.
Ignition: HEI controlled by MSD 6AL, MSD HEI coil.
Trans: Turbo 350 with B&M shift improver kit, TCI 11" Street-fighter
Rear: 12-bolt, 3.55 posi. Tires are 255-60-15 BFG Radial T/A or 26x10.5 M/T
ET Streets at dragstrip.
Car has run a best of 12.90 @ 105-106, before the roller rockers were added.
This is on my slicks, exhaust open. I haven't made a run down since I added
the rollers. Not sure how much (if any) I got from them, but the engine
seems to rev more freely, esp in midrange. My track is at 1140 ft
elevation.
This is a really nice combo on the street. Tons of low-end and midrange
torque. It's completely livable around town. Freeway driving is tolerable,
but I'm spinning 3000-3500 to run with the rest of traffic (70-75 MPH).
Good for ~ 10 mpg if I drive it nice and easy. When I race, I shift at
5500-5700.
Other mods include complete Hotchkis front suspension with 12" brakes and
1.25" f-body sway bar, poly bushings front and rear. Except for poly
bushings and Hotchkis springs, rear suspension is stock.
"Oil leak? What oil leak? That's just sweat from all that horsepower!" --
Bud Light commercial
-Dave
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