How good are Shift kits do you see a dramatic difference or really nothing at all. I've got a 700R4 trans

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IROC-Z
G92, LB9 305 TPI, 3.23

 

Hell yeah. Big difference. Before the shift kit, with street tires, my 1 - 2 shift took almost a full second. 2 - 3 took even longer. After 3 or 4 passes the tranny would start to get hot and the shifts would get even weaker. After the shift kit, 1 - 2 would hit so hard that, even driving easy, it would bark the tires. At WOT it wouldn't just bark the tires, it would light them up and fishtail a little. Of course slicks solved that little problem. I also gained 2 tenths in the quarter due to the quicker shifts. I used the B&M Shift Improver kit for the 700r4.

 

One problem with the B&M shift improver kit. They kill tranny's!!!! I put one in and I wish I wouldn't have. Install was a pita. I practically bathed in tranny fluid.

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'88 IROC TPI 355, '69 truck 4-bolt, fully balanced, 9.75:1 compression, fully ported '70 truck heads(for now), Harland Sharp 1.6 Roller Rockers, Comp Cams CS 252AH-12, ported '86 TPI converted to speed density, Crane AFPR, Flowmaster 3in. exhaust, Edelbrock TES headers, all emissions equipment is still intact, plan on burning my own chips, many more mods and parts on the way as time and money permits =(
Best E.T. with TBI 305: 16.11 @ 82mph
Haven't been to track with new motor
If you have any questions on converting from TBI to TPI email me at jdkchevy70@yahoo.com
In memory of Dale Earnhardt, I'll miss cheering for that black #3 on raceday!!!

 

Try the shift kit offered by trans-go,That's who made mine,And i'm pretty happy with it.

 

Try the shift kit offered by trans-go,That's who made mine,And i'm pretty happy with it.

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82 firebird with 305H.O.,Block bored .30 over,Keith black hyperutectic flat top pistons for 10 to 1 compression,Turned crank,Magnafluxed connecting rods,Melling H.V. oil pump,and double roller timeing chain,Ported and shaved heads w/3angle valve job,Z-28springs,Summit push rods and comp cams magnum roller rockers,Ported Edelbrock performer r.p.m.intake,Carter 625 afbcarb,Accell spark plugs,wires,and H.E.I.super coil,Heavy duty cap and rotor,Clevite performance cam with 450-460 inches of lift,Comp cams lifters,700r-4 tranny rebuilt with trans-go rebuild kit,corvette servo,New torQue converter,Flowtech headers,Flowmaster muffler,3.73limited slip rear end,Energy suspension bushings from front to rear,Energy suspension tranny mount,New center link,ball joints,trans-am steering box,ASP power pully.