Anyone here running a big block in a 3rd Gen? Is it even possible, I mean the small blocks are pretty tight in there. If a BBC motor is possible, do you have to make mods to the crossmember, suspension, or anything else?

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1987 Chevy Camaro IROC-Z
L98 TPI 350 (5.7L)
TH 700R-4 Transmission
Borg Warner 7.75" 9 Bolt Rear End

Current Mods: LT4 HOT Cam, Comp Cams 1.52:1 Roller Rocker Arms, Edelbrock TES 1 5/8" Headers, Hooker 3" Aerochamber Cat-Back System, Performance Resource Chip, Accel Ignition Coil, Cap, Rotor, 8.8mm Wires, K&N Filters, JET TPI Air Foil, All Free Mods, Falken ZIEX Z-Rated Tires.

Best ET (w/o LT4 cam): 14.32 @ 97.7mph
(corrected for elevation)

Soon to Come: 7.625" 10 Bolt with 3.42s and Accel TPI Intake Base

 

Yes, u can do it!!

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Looking For:

87 IROC-Z28 350 TPI: The car I want.

84 TRANS AM 305 H.O.: Another car that would be OK to own while I look for the IROC-Z!!

 

Off the top of my head I can only think of about 4 BBC 3rd gen's here and at least that many in the buildup/change over phase. I've got SBC mounts (stock location), V-6 suspension, and the the stock rear. I did do alot of work to keep the trans cool. I added a remote filter, seperate cooler in front of the rad and a small frame rail cooler. Most likely overkill on the coolers but I believe that 3 things kill trannys. Heat, the driver, and high hp engines. In that order. I ditched the A/C and all the emissions. If I were a lead foot there would be no way I would have even thought about running a 700R4 or the stock rear with a 396.

 

I've read an article and seen some pic's that GM was testing and considering putting a 454 in early 3rd gens the Pics I saw were Pretty Tight fit!!
I just found it as a matter a fact.. they also put in the zr1 Quad cam corvett motors in there and they tried both Multi Port Fi 454 and Carb 454

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Hecubus
http://www.tweak3d.net/temp/z28.jpg
91-Z28 305 Tpi "G92" mods-- K$N/Foil/B&M shifter/ Intrax Springs/ Kyb Shock's-Struts's/Poly Bushings/Hotchkis Strut Tower Brace/ 100-150 Nos Wet Plate System/ 155lph Fuel Pump/ Holly Adj. Fuel Press. Regulator/Digital Fuel & Oil Press Guage's

 

Yep. All the info is on my page.

Miles

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88 427 Camaro
12.18 @ 113mph 1.75 60ft
Currently installing 3.73's into my 9 bolt (YES,it is a 9 bolt & YES they are 3.73's, not 3.70. 4.11's to follow soon )
www.koolmeister.com