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Old 09-12-2012, 12:39 AM
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what cars/trucks to get a T-350 out of

ive been helping a fellow board member on another forum build up a 1992 v6 camaro

with the stock 3.1L engine and a t04b turbo the car has run into the 12 second range, but once he hit 13.30's the 700r4 started to show its weaknesses, specially in the tq converter, his 2,800 stall converter is now stalling at 5,600 once he is at full boost.

the trans is holding up ok for now but ive had my share of the 700r4 issues behind the turbo v6 motor in my own car

it would cost an arm and a leg to get the 700r4 built and get a good converter.
the 60 degree version of the 700 uses a 27 spline input shaft and requires a 10 inch or smaller converter that is specific to the v6 o a good converter will be a custom deal and run around 900 bucks



his race season is over and over the winter he is bulding a 3.4 v6 with a gt3582 turbo this combo will make 425 ish hp and over 500fltbs

so hes looking to upgrade the trans as well a th350 with a 9 inch tail shaft will allow him to reuse his stock ds and b&m makes a mount kit to reuse the stock crossmember and also mount the tq arm to the x member instead of the trans

one of his local friends had a built th350 for sale but it was a 6inch tailshaft so now he needs to find one he can have built and a transbrake added

what cars/trucks should he be looking at at the junkyard to pick up a trans/core out of

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Old 09-12-2012, 04:33 AM
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The 3.1, being a 60 degree v6 is going to be pretty hard to find a T350 with that bolt pattern....might need to get an adapter. If that trans you are speaking of fits the bolt pattern, probably cheaper to just get the drive shaft lengthened...The mount should be in the same spot, I believe
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Old 09-12-2012, 05:45 AM
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Quote:
Originally Posted by poncho62 View Post
The 3.1, being a 60 degree v6 is going to be pretty hard to find a T350 with that bolt pattern....might need to get an adapter. If that trans you are speaking of fits the bolt pattern, probably cheaper to just get the drive shaft lengthened...The mount should be in the same spot, I believe

yup speedway motors sells an adapter plate to bolt just about any 90* v8 chevy trans to the 60* engine for 55 bucks.they never made a th350 for the 60* v6 engines closest thing to a 3 speed that will bolt on the 2.8/3.1/3.4 is the 200c which is a pile of well u know

the mount will be in the same place on the 6 inch tailshaft version but why bother if he can get a 9inch tailshaft one and his stock driveshaft will bolt back in .beats paying to have a driveshaft made,not only that but then he can use the stock aluminum ds if he wants or the aluminum one out of the 4thgen camaros with the ls1
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Old 09-13-2012, 06:06 PM
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anyone know what the th350 with a 9inch tailshaft comes out of
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Old 09-15-2012, 04:03 AM
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anyone know what the th350 with a 9inch tailshaft comes out of
Older full size cars, Impala/Caprice/Lasabre/Catalina/Bonneville/Delta88/ 73-80 Trucks. The 80-86 Trucks have TH350C.
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Old 09-15-2012, 06:35 PM
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Older full size cars, Impala/Caprice/Lasabre/Catalina/Bonneville/Delta88/ 73-80 Trucks. The 80-86 Trucks have TH350C.
thank you ill let him know to keep his eye out for that stuff when he makes his next trip to his local u-pull it yard
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Old 09-15-2012, 06:54 PM
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Quote:
Originally Posted by Project89 View Post
anyone know what the th350 with a 9inch tailshaft comes out of
If the tranny is going to be rebuilt anyway, any length tailshaft can be installed at build-up time.

Long wheelbase vehicles are going to be more likely to have the longer tailshaft. There is a 12" tailshaft variant as well but it is relatively rare.

From HERE:

The TH350 was used in some Y- and F-body cars in 1968, then across the board from 1969-80. From 81-86 the TH350C was available.

1969-'84 Buick, Chevrolet, Olds and Pontiac full-size cars

1969-'81 Buick, Chevrolet, Olds and Pontiac A-body, G-body and F-body cars (some F-body in '68)

1973-'79 Buick, Chevrolet, Olds and Pontiac X-body cars

1969-'78 Riviera

1968-'82 Corvette

1975-'80 Buick, Chevrolet, Olds and Pontiac H-body cars (Vega, Monza, Skyhawk, etc.)

1981-'82 Cadillac Fleetwood and Deville (CBC-350 and TH350C versions)

1973-'85 Chevy and GMC 2WD and 4WD pickups, Blazers, G-10, G-20 vans and Suburbans
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Old 09-19-2012, 09:20 PM
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9 in tail

from what i remember gm made a beafed
up version of the 350 in the early 70s for there full sized cars with the b.o.p. cars it was called the 375B had one in a 74 catalina with a 350 motor it had the 9''tail it has from what i remember 1extra clutch in the forward and direct clutch packs and they also had a 375 which was a 9 in tail 400 that had the small spline like a 350 on the output and it didnt have as many clutches
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Old 09-20-2012, 12:11 AM
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Originally Posted by anglia427 View Post
from what i remember gm made a beafed
up version of the 350 in the early 70s for there full sized cars with the b.o.p. cars it was called the 375B had one in a 74 catalina with a 350 motor it had the 9''tail it has from what i remember 1extra clutch in the forward and direct clutch packs and they also had a 375 which was a 9 in tail 400 that had the small spline like a 350 on the output and it didnt have as many clutches

X2 Anglia^^, the TH375/TH375A was a Medium duty version of the TH400 it had 400 guts, Electric Detent & Pan shape but, TH350 27-Spline Output Shaft. It also had TH375 cast into bottom of Case where the Tailhousing bolted up.

The TH375B was a HD version of the TH350 with Cable Detent & TH350 27-Spline Output Shaft & Tail.

Info about 1/4 way down Pg. >> http://www.442.com/oldsfaq/oftrn.htm
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Old 09-22-2012, 12:42 AM
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350/375

ok thanks its been a while
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Old 09-23-2012, 03:25 PM
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hey guys my friend can grab a built th350 withmanual valve body from one of his racing buddies for 2-300 bucks cant recall the exact price.

the problem is it has a 12inch tailshaft and he needs the 9 inch , can the output shaft and tail housing be swapped easily ?
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Old 09-24-2012, 06:54 PM
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they used to sell adapters to bolt a th350 to a 60 degree been so long since ive seen one they should still be out there they never made a 60 degree 350 trans they did make a 60 degree 200 metric witch is popular im super stock racing
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Old 09-24-2012, 11:07 PM
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they used to sell adapters to bolt a th350 to a 60 degree been so long since ive seen one they should still be out there they never made a 60 degree 350 trans they did make a 60 degree 200 metric witch is popular im super stock racing
yeah speedwaymotors sells the adapter still, guys have been using them to adapt 2004r's th350s and some manual transmissions to the 60* motor
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