I had my tranny rebuilt and a transgo shift kit put in about 6 months ago. I am about to put a new engine in that's going to be pushing about 430 hp and 420 ftlbs of torque. What is going to cause my tranny to go out? What is going to give out and is there any way to prevent it? If I new that I was going to be doing this I would have bought a beafier tranny, but it's a little to late now .

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87'IROC-Z 350 TPI
Ported Plenum,Hypertech Air Foil,Ram Air kit,SLP headers,AFPR,80series flowmaster and MAF screens removed.
14.61@94mph(90+ degree weather)

 

Well I'm sure you dont expect any of us to tell you... 5 months, 3 days, and exactly 13 hours before it fails. BUT, with that much torque on a stock transmission, it probably wont last more then a few months, maybe a year and it all DEPENDS on how you drive. If you race every weekend or every week, then expect it to fail fairly early.

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92 Z28 L98 350
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Ported and polished heads, ported stock TPI base, ported plenum, Comp Cams XR270HR-10 cam (lift .495/.502 duration 218/224 lobe separation 110), Edelbrock TES headers, LT4 valve springs, Crane AFPR, Flowmaster catback with LT1 style tips, MSD coil & wires.

Best ET 13.5@105 mph

"Take that auto, drop it in first, hold the brakes, stomp the gas and grin from ear to ear! :-)

http://www.truspeed.org/Members/Chev...dmondIndre.htm

 

I'm in this same situation.. not quite as much power but over 300, is there anything we can do ourselves without taking it to a tranny shop to beef it up and make it last longer?
tranny cooler and guage?
will a vette servo help any?
(also im looking for a little more firm shift)

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17 from Wichita, KS (previously newbieZ28)
1988 Iroc-Z ZZ4 tpi, ttops, 50k miles on chassis (edelbrock tes, stock tpi) free mods etc coming soon after first 1/4 times!
1985 Z28 LB9 option [STOLEN!] Click here to see

http://thirdgen.bawx.org
K.I.S.S - Keep It Simple, Stupid.

 

yes everything that prevent slippage helps

(generally speaking). The vette servo worked for me....got rid of 2-3 flare and also firmed up my 1-2 considerably and my car makes some pretty respectable horsepower.
Its the same engine hot rod built to make 375 horse at 5800 RPM and damn near 400ft lbs.

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91 RS W/carbed 350, Vortec heads, performer rpm, Comp cams Xtreme energy 280 grind. BFG Drag radials. 3.42 posi,Corvette servoed 700r4, ****ty stock converter
13.24@104

 

thanks for the help I was just curious if I could get some use out of it before it left me stranded again. So if I put a corvette servo and a cooler I might be able to extend the life a little?

 

What exactly is the vette servo?

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Bright red 87 GTA with 350 tuneport. Basic mods such as K&N filter, Flowmasters, Wells MAF, TPIS air foil, Accel 8.8mm plug wires with , Accel distributor cap and rotary buttons.Gutted cat. B&M Shift kit, 100HP shot Nitrous, soon to change over to carburator.

 

Sorry, this can be deleted.

[This message has been edited by 88 427 Camaro (edited November 29, 2000).]