I am putting in a 350, i was wondering if my stock 700R4 tranny be able to handle it, the motor is only rated at 249 hp.

 

it should handle it. That's what GM put behind their 350's.

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87 IROC 350 TPI with less than 10k original miles
www.users.uswest.net/~smoyer/iroc.htm

 

uh yeah! it'll handle at least 350 hp! and touqre

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1989 firebird formula

Mods: converted from T.B.I. to a carburator 305 to a 350. Flowmater exhaust,hedman shortie hedders,202 heads,350 horse cam,bored.40 over, Edlebrock torker2 and a 600 edlebrock manual choke.

Future mods performer rpm air gap intake (polished) comp roller cam, and way better headsa 400 defintely in the works!

 

What year is your car? Is it an 8 or a 6?

The six cylinder 700r4 won't work with a v8.

If you have a v8 now, I wouldn't worry, it should hold it fine.

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1989 Pontiac Firebird Formula LO3 Auto
-180 degree stat
-Hooker Cat-Back
*****Possible summer '01 mods*****
Open Element, Auburn Posi, Keyless Entry, wonder Bar off the IROC, 4th gen seats, T/A tail lights

1985 Camaro IROC-Z LB9 Auto
http://www.geocities.com/krt80/

 

Where is the proof that a stock 700r4 can handle up to 350hp? Just wondering. Thanks

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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html

 

I imagine anyone that took a stock f-body and through in a 300+ hp engine, used there 700r4 tranny. So they are the proof.

 

Are you sure its not the 250hp engine? I hear those eat up 700R4s.....if its only rated at 249 hp you should be ok though- maybe....

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91 RS W/carbed 350, Vortec heads, performer rpm, Comp cams Xtreme energy 226/230 duration and .477/.480 lift. BFG Drag radials. 3.42 posi,Corvette servoed 700r4, ****ty stock converter. Edelbrock TES, 3inch cat, flowmaster with single 2.5 inch exit.
13.24@104

 

did you mean to write "350 hp engine rather than 250 hp"