73-87chevytrucks.com
73-87 Chevy _ GMC Trucks => Performance => Topic started by: copperhead on October 21, 2013, 09:27:32 am
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Hi guys new to the forum I've been trying to build up my Chevy for awhile and finally started. I've got a 350 with vortec 906 cast heads, comp cams ex262 cam, pro comp shootout single plane intake, double roller timing chain and am getting a Holley 650 double pumper with mechanical secondaries. I'm trying to find info on a 4 speed swap to a super t10 Saginaw or muncie but can't find any info any help would be great. Especially if you've done it thanks!
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Thought I would add it's an 82 3/4 ton long bed stepside.
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what trans is in it now? what is your rear end gear?
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It's got a th400 in it now. I'm not sure on the rearend it's got a red cover? How would I tell with counting teeth?
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If you remove the cover there is the 2 numbers printed on the edge of the ring gear. For example there might be a 40/13, divide it out and that is a 3.07. The 3/4 is a lot of truck to get moving with a T10. A Muncie M21 close ratio would be about the best for a non-Overdrive in a low hump cab. The end result is a 1:1 ratio same as the TH400 My $.02
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I understand but I just enjoy driving a manual.
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I understand the fun factor. You also want one that will hold up if you need to use it as a truck. I prefer manual transmissions myself
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Exactly I actually got to looking at the nv3500/4500 swaps and like the idea. I'm in the military and live in the dorms so don't really have anywhere to work(new base).
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The NV4500 will require so cab floor surgery is what I have been told. I've personally seen the NV3500 in low hump cabs but they won't hold up if you do a lot of hauling loads. I guess how deep is your pockets is the name of the game.
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This truck isn't used for hauling anymore and won't be. Trying to make a nice little hot rod
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LOL reading your thread reminds me of living on base and going to a new post. I used to spend hours on my time off just driving the back and side roads looking for truck parts. Met a lot of nice people that way....good luck with your project
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Thank you and that's exactly what I've been doing already met some nice people.I paid 500 for the truck and got it out of a field. Got it running and found the stepside bed in another field for 550. It's a wood bed and I replaced it with tongue and grooove treated boards. Looks pretty nice. I plan on a manual tranny swap, paint and a 4/6 drop. That's about it.