I put 3:55's in the 89 about 2years ago. I thought those would be perfect for a street car and they made a BIG difference in the performance. I still like em but my youngest son has 3:73's in the green thing and there's even mo-bettah stuff in them. If I had it to do over, I'd do 3:73's in anything I put gears in.
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1986 four-eyed LX coupe, 358 Cleveland, Tremec TKO600/centerforce clutch, dish cut Probe forged pistons, comp cams hyd.roller cam, .579/.588@224/230, Edel.performer, 670 holley street avenger, CPR custom built long tubes, ported and polished 4bbl heads, manley valves, beehive springs, MSD peo-billet dist/MSD6AL, fluidamper, 5 lug conv. with 17x8 bullits there's more but it's still not finished yet.
Oh, and the oldest boy is turning his 89 GT into a FFR cobra this next summer.
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