01-14-2008, 02:11 PM
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Join Date: Oct 2006 Location: Connecticut
Posts: 239
Car: 1987 IrocZ Engine: lb9 Transmission: 5 spd Axle/Gears: factory 9 bolt with 3.45 gears | ZZ4 crate engine swap
A lot of peeps have been considering swapping their tired 305 or 350 with a GMPP crate zz4. This site offers a good deal of information detailing just that. A zz4 swap. Good photos and detail of steps, including dyno runs. Also there are bolt on upgrades, LT4 hotcam, 1.6 RR, AFR 190cc heads, etc. I found it helpful, since I'm seriously considering the swap myself. I have heard that GMHP or High tech did a work up on a zz4, i'll look for that as well.
Please post any other supportive sites for this swap.
Thanks!
http://www.eecis.udel.edu/~davis/z28/winter01/dyno/
Here is a carb version of modifying the ZZ4. Write up and coverage by GM High Performance mag
http://www.chevyhiperformance.com/te...ild/index.html | | |
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1987 Z28 Iroc-Z; a/c delete, removed heater core to clean up engine comp, k member, control arms, Hotchkiss Front/rear sways, front coil over koni kit, Spohn reinforced strut plate, stainless brake lines, Spohn torque arm, wilwood front brake set, metco LCAs, panhard rod, definned MAF, AFPR, MSD 6al, TES 1 5/8, Random Tech cat, flowmaster, gutted air filter housings, T/A alum rear girdle cover, and a bunch of other stuff i can't remember.
Last edited by 1987CamaroZ28; 01-14-2008 at 02:45 PM.
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