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04-06-2007, 06:52 AM
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#1 |
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Registered User
Join Date: Dec 2006
Location: Middle GA
Posts: 28
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TH400 to 700/200 transition
I have an 86 C10, GM Crate 305 (no mods), a built TH400 w/shift kit, and 3.08 gears. I'm getting around 13 MPG and I'd really like to increase that.
What modifications would I need to change from a 400 tranny to an overdrive tranny like a 700/4R or a 200? I'm sure i'd have to find/modify the driveshift right? How many MPG increase should I get with an OD tranny? The tranny I have works great for me, but it's overkill for me. I have no intentions on racing (street or strip). The shift kit in it makes it shift REALLY hard. For a local deal, i'd be willing to swap a strip ready TH400 for a decent OD tranny. 
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04-09-2007, 05:51 AM
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#2 |
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Registered User
Join Date: Dec 2006
Location: Middle GA
Posts: 28
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Re: TH400 to 700/200 transition
I thought i'd repost the question i was asking....
What modifications would I need to change from a 400 tranny to an overdrive tranny like a 700/4R or a 200? I'm sure i'd have to find/modify the driveshift right? How many MPG increase should I get with an OD tranny? |
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