Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

4 speed guys

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Old 03-14-2009, 06:43 PM
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Default 4 speed guys

Alright I got a saginaw 4 speed. What are the weak points in them, cause I'm wanting to put some power to it. So what can I do to make it stronger or am I better off getting a different tranny?
Old 03-14-2009, 07:25 PM
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Get a different trans.
When I was 16 I had a new looking saginaw in a 75 nova, at that time it had 3.08 gears in an open rear with 12" wide tires.
Engine was a 400 sbc with a comp 268 cam, wrong intake (torker one), and a 600 holley. I managed to break three teeth off the cluster gear the first night I was able to drive it. And that was with a stock clutch, seems like it was smaller than 10"
Old 03-14-2009, 08:55 PM
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sell it, get a muncie youll be happy iam
Old 03-14-2009, 09:49 PM
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T56 and dont look back, why have 4 gears when you can have 6?
Old 03-14-2009, 10:44 PM
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Originally Posted by ZONES89RS
T56 and dont look back, why have 4 gears when you can have 6?
I want a T56 but I don't have the cash and my hours just got cut at work. I have the saginaw already and it will prolly be in the car when it fires up, but it's going to be replaced as soon as I can. I was just wondering if it could be built for cheap and be stronger.
Old 03-14-2009, 11:31 PM
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Well, the T56 can be built for 1200 HP or so, but i have no experience really with the 4 speeds.
Old 03-15-2009, 12:05 AM
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Originally Posted by ZONES89RS
Well, the T56 can be built for 1200 HP or so, but i have no experience really with the 4 speeds.
Yea that makes two of us lol.
Old 03-16-2009, 01:35 AM
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Originally Posted by southern69chevy
Yea that makes two of us lol.
muncie sucks too i have broken 3-6 every summer since i have been driving my impala, saginaws are extra weak and really like to explode! t-56 likes to rip the engagment teeth off of third, or lock up first on the mainshaft richmond's like to blow the cluster gear out of the case i' ordered a super muncie we'll see how that goes this summer never got a chance at a t-10 just my 2 cents the old sag uses a really small input shaft that the weak point pontiac muncies seem to be better than the rest though
Old 03-16-2009, 01:50 AM
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Saginaw's are bad news, as previously stated they break with ease.

Originally Posted by ici8uup
muncie sucks too i have broken 3-6 every summer since i have been driving my impala, saginaws are extra weak and really like to explode! t-56 likes to rip the engagment teeth off of third, or lock up first on the mainshaft richmond's like to blow the cluster gear out of the case i' ordered a super muncie we'll see how that goes this summer
damn just buy a Jericho and be done with it.
Old 03-16-2009, 01:56 AM
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get a built m22 5speeds.com
Old 03-16-2009, 10:01 AM
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Like i said, built T56 is the way to go. Or a TKO500/600.
Old 03-16-2009, 04:42 PM
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auto with a stall! what are you looking to with the car? race it, street driving, street tires, drag radials, slicks??? it depends what you want to do to how extreme you need to go. even if you go t56 it will need a lot beefing up to hold with out breaking as will all the other stock trannies. for street driving go muncie and it will work for some racing too. my dad has never busted a muncie with his 69 ss chevelle and hangs the tires in the air through second. auto with a stall if you racing is the way to go though, but if you are dead set on a manual go with a jerico since that is what it was built for.
Old 03-16-2009, 04:56 PM
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Yea, if you are willing to go with a muncie, just do a damn TH350 with a stall, since actually having overdrive is not a concern. I have has T5s last thru allot actually, world class models. But the 5 speed or better is how i look at it for a street car, even if it will see some track use.
Old 03-16-2009, 08:46 PM
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Yea auto is out of the question. I want to have fun ripping up the gears. It's going to be a street/strip car and will most likely get a t56 when I get the dough. I was just wondering if the saginaws could be beefed up a little but oh well.........if it pops it pops lol
Old 03-16-2009, 09:13 PM
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just buy a richmond t-10, be able to take what you can throw at it and it's pretty cheap



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