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Old 11-28-2013, 04:34 PM
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Which transmission

I have a Saginaw 4 speed or a th350. This is weekend driver I'm gonna cut up with but no serious racing. What is the best direction to go?

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Old 11-28-2013, 04:41 PM
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Given the same amount of beating, I suspect the TH350 will outlive the manual.
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Old 11-29-2013, 07:17 AM
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If you dont have the pedals, throwout, fork, bellhousing, clutch linkage, shifter, flywheel, pilot bushing I wouldn't bother with the Schwaginaw. ESPECIALLY if you don't know what ratio it is. Investing all that money to put Uncle Jesse's truck 4spd in your car...will seriously upset you. Then you'll have to dump the better part of a grand for a T10 or Muncie and rip the Saggy out.

All that assumes you dont need a different transmission hump, cross member, console etc. Unless you seriously plan on upgrading to a T10 or Muncie, the manual conversion for a Saginaw isn't worth the money in my opinion, Go TH350 and then save your money for a built TH200-4r. Drive the car now, enjoy the car now. Don't skimp on the torque converter or the trans cooler either.
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Old 11-30-2013, 07:02 AM
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I have a hyd throw out bearing, summit shifter steel and aluminum bellhousing master cylinder and stock pedal. The trans is a 3.11 first gear from a 76 Vega.
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Old 12-03-2013, 01:15 PM
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Quote:
Originally Posted by rowdy51 View Post
I have a hyd throw out bearing, summit shifter steel and aluminum bellhousing master cylinder and stock pedal. The trans is a 3.11 first gear from a 76 Vega.
The Saginaw came only in small to medium vehilces with 4 or 6 cylinder engines. It will not take the abuse a V8 can throw at it for very long. It's a question of torque rather than horsepower, it's hard launches and getting on the power in the low to medium RPM ranges behind a V8 that tears these boxes up not screaming along at red line in high gear.

Bogie
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Old 12-03-2013, 03:07 PM
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Summit Shifter? Is that the one with the shifter rods that are basically "all thread" and a set of weird fits-all tabs on the end of the linkage rods? I have 3 customers that required a trailer to get the car home when the linkage gave up, one of the 3 needed new synchro rings and an input gear because the shifter was not fully engaging 4th gear and it wiped out the engaging teeth. Don't use it for long and absolutely DO NOT "speed shift" this thing.
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Old 12-03-2013, 03:42 PM
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From my experience, the Saginaw is stronger than a T5.

After breaking many variations of the stock T5, best i could get was 6.94 in the 1/8th, w/ a 1.712 60', usually breaking 3rd gear or stripping the teeth off of the input shaft.

With the exact same setup other than replacing the T5 with the Saginaw, I managed to get down to a 6.525 w/ a 1.643 60'. After i installed a clutch slipper, i got the 60' all the way down to 1.456 before i ran out of Saginaw parts.
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