I've got a 700r-4 in my 82firebird,My mods are listed below.Recently i've noticed that instead of the car banging into second gear like it used to,It just seems to "slide into second,Like it's just a regular tranny with no shift kit or anything.Every gear after that seems o.k.Does anyone know what the problem might be and what it'll take to fix 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,Boxed L.C.A.'s.

 

I know that feeling, I had the same with my last gearbox after the ZZ4 install. With me it meant the 700r4 couldn't handle the power. Have you tried adjusting the TV cable at all? If you already have a shift kit then it sounds like your box needs a bit of a overhaul.. Don't quote me on that though

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'86 Iroc ZZ4
Best Run 13.8 @ 100mph

 

I had the tranny out of a '92 Z28 for the same thing. The lug on the 2-4 band broke and came disengaged from the anchor, causing the band to slip before finally applying. More than likely, you have problems w/ the servo, or a mechanical malfuntion similar to the one I described.

 

G.m.tech,Do you know how much it would cost to fix the problem?

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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,Boxed L.C.A.'s.