Whats my chances of something nice!
Thread Starter
Joined: Jan 2001
Posts: 2,120
Likes: 18
From: Quakertown, PA
Car: 1992 Camaro Z28 Convertible Z03
Engine: 383 SuperRam
Transmission: 700R4
Axle/Gears: 2.73
Whats my chances of something nice!
I ordered a used L98 from International Auto Parts (ezfindparts.com) its got like 70,000 miles on. Heres my question
It arrived painted purple, it looks all stock, but its painted and has an airfoil in the throttle body, Im wondering what else might be done to it, if anything, is there anything I can do to look and see, like ways to tell if they are aftermarket heads or anything, just little things to check to see if anythings done to it, I'd love if it were.
Thanx
Brian
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Fire fighting, Scuba Diving, and Fast cars.....Does life get any more exciting
'86 TPi T/A L98
Stuff on Order:
Ram Air Hood
4th gen Spoiler
Borla exhaust
Sub Frame Connectors
STB
and a bunch of other stuff
Q?-Does Prowler orange sound like it will look good on my T/A?
AOL Screen Name, Madbiker1
It arrived painted purple, it looks all stock, but its painted and has an airfoil in the throttle body, Im wondering what else might be done to it, if anything, is there anything I can do to look and see, like ways to tell if they are aftermarket heads or anything, just little things to check to see if anythings done to it, I'd love if it were.
Thanx
Brian
------------------
Fire fighting, Scuba Diving, and Fast cars.....Does life get any more exciting
'86 TPi T/A L98
Stuff on Order:
Ram Air Hood
4th gen Spoiler
Borla exhaust
Sub Frame Connectors
STB
and a bunch of other stuff
Q?-Does Prowler orange sound like it will look good on my T/A?
AOL Screen Name, Madbiker1
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Most aftermarket heads have something stamped on the end. Otherwise, take off the valve covers and look for casting numbers or identification. Are the heads cast iron or aluminum?
Look at the rocker arms for what type they are. Put a dial indicator on the valve-side of the rocker arm, turn the engine over (by hand), and measure the valve lift. Do the same for the push-rod side, divide the former by the latter, you'll have the cam lift and the rocker arm ratio.
Measure the openings in the throttle body in mm's. 48mm would be stock.
Does it have a flex plate or flywheel? If neither, look in the crank for a pilot bushing/bearing.
The whole thing was painted purple? Sounds like it was in somebody's rod or custom job.
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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 w/'87 LB9 block, ZZ3 cam and intake, World 305 heads, Hooker headers & y-pipe, 3" Catco cat & 3" cat-back).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Edelbrock 1901 Q-Jet, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
Look at the rocker arms for what type they are. Put a dial indicator on the valve-side of the rocker arm, turn the engine over (by hand), and measure the valve lift. Do the same for the push-rod side, divide the former by the latter, you'll have the cam lift and the rocker arm ratio.
Measure the openings in the throttle body in mm's. 48mm would be stock.
Does it have a flex plate or flywheel? If neither, look in the crank for a pilot bushing/bearing.
The whole thing was painted purple? Sounds like it was in somebody's rod or custom job.
------------------
82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 w/'87 LB9 block, ZZ3 cam and intake, World 305 heads, Hooker headers & y-pipe, 3" Catco cat & 3" cat-back).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Edelbrock 1901 Q-Jet, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).
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