I built and am putting an '88 L98 im my '85 Sport Coupe. Specs are as follows:
.030 over, balanced and decked to about 9.2:1,Keith Black hypereutectic pistons/moly rings,World SR Torquer heads,Using stock TPI but port matched to heads and plenum, Adj. Fuel Press. Reg.,TPI airfoil, Cam is hyd. roller with .450/.480 lift., Edelbrock T.E.S. with Jet-Hot coating, 3" 3-way Catco catalytic converter, 3" Hooker cat-back system w/aerochamber, K&N air filters, TCI sizzler torque converter (500-800 above stock stall speed), 700R4 with high performance build up/shift kits etc.,

I shot for 300HP and 350 foot lbs. of torque.
Do you think I made it?


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'85 Sport Coupe V6 T5(bought new)Putting in 88 350 TPI/AOD and a bunch of 88 IROC and aftermarket performance parts now.
86 IROC 305 TPI AOD
(selling after Sport Coupe rebuild is done)

 

i don't think you'll be disappointed in the results.

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-=ICON MOTORSPORTS=-
1st & 3rd

 

And with a custom chip you'll actually be able to take advantage of those mods. Heheh