C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Oct 6, 2006 | 03:08 PM
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so it looks like im gonna need a new transmission......only question i have is it worth rebuliting the old one.....(AAMCO said they'll charge me 1400 to rebulit the transmission so it can handle 400hp) or shouldi buy a new one? its for a 74 stingray stock 350 (for now) and stock th350 trasmision..
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Old Oct 6, 2006 | 03:16 PM
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for that money you can get a built 2004r with overdrive, no driveshaft work needed. Better milage, quicker off the line...
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Old Oct 6, 2006 | 03:18 PM
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i opted for the rebuild on my 73, and if you take it out and put it back in yourself you will save even more. you know i also went with the standard rebuild kit for about $160....then just find someone who does good tranny rebuilds on the side and give him a few hundered and you in there for under $500.... good luck
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Old Oct 6, 2006 | 09:41 PM
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Default tranny

I have a 73, pops out of 4th gear. Anyone know if there is a adjustment that can reslove this or am I needing to rebuild. If rebuild anyone have any tips on tranny removal and install. Tips or tricks or things to be aware of.
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Old Oct 7, 2006 | 03:55 PM
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mine had an issue going into third if i shifted quickly and also popped out of gear every now and then....replaced the synchronizers on the rebuild and had no issues after that. Pulling that trans is no problem.....and like i mentioned above if you can find someone to rebuild it for you it is a relatively low cost job.
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Old Oct 7, 2006 | 10:28 PM
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Default Change your supplier

74BATMOBILE,
If the transmission place told you your 1974 Corvette had a T350, then, unless you've had one fitted previously, they don't seem too competent. ALL automatic '74's were fitted with a Turbo 400 and from what I've picked up here (the Forum) I believe that a Turbo 200R4 will be virtually a changeover. Apart from a different tailshaft yoke, you can use your existing tailshaft and crossmember.

If though, your car has had a Turbo 350 fitted, then ignore the above.

Anyone who's done this swap like to chime in and help the guy?

Just my $0.02's worth.

Regards from Down Under

aussiejohn
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Old Oct 8, 2006 | 08:20 AM
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I did a 200-4R install in my 73. Trans
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Old Oct 8, 2006 | 08:46 AM
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for 1400 bucks i'd do the 200r4
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Old Oct 8, 2006 | 09:16 AM
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1400 is very high for a th350. You can buy a TCI from summit that can handle 500hp for only $950.
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