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TH400 SWAP HELP
Ok, so I just recently put a 7.4L in my truck and withing the same day cooked the 700r4 I was running behind it (knew it was going to happen). I just went and picked up a th400 to replace the pile of s#!* 700r4. I've never had one in this truck and it's a 1976 rv th400 behind a 1975 454. What...- fast_n_low86
- Thread
- Replies: 4
- Forum: Automatic Transmission
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Small block to big block swap. What do i need to know?
Hello everyone. The time has come for me to upgrade from a small block 350 to a BIG block 454. This is my first big block and swap and I think I'm kinda jumping into the deep end with this. What are some things I need to know for the swap. I am putting this into my '86 Sierra Classic 1500...- fast_n_low86
- Thread
- Replies: 28
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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HHHEEEEELLLLLLLPPPPPPP!!!!!! Update- problem unsolved again.
Ok, so I'm having a major issue right now and I'm out of ideas on how to fix this. Truck has ran great with my new (to me) motor transmission until I had to swap my mild performance to full out performance distributor. I adjusted the carb and timing once I made the swap, it ran good for a few...- fast_n_low86
- Thread
- Replies: 26
- Forum: Carb Fuel Systems
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700r4 swap.
Ok, since my motor grenaded on me I am installing a stock 350 and 700r4. I have a few questions about doing the 700r4 swap. Mainly what will I need to change when installing this. I'm going from a th350 to the th700r4. The transmission and motor are out of a early 90s chevy which I am...- fast_n_low86
- Thread
- Replies: 2
- Forum: Automatic Transmission
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Looking for recomendations for transmission change
Hey all. I am currently running my truck with a th350c, modified 5.7L 350, and 3.42 ratio gm 8.5" rear end. Kept motor carbureted and don't want to start messing with all this new electronic crap when replacing my Trans in my street machine. I have been thinking about going with a th700r4 but...- fast_n_low86
- Thread
- Replies: 10
- Forum: Automatic Transmission
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Calibrating speedometer.
I recently replaced my 3.08 gearing to 3.42 on my 8.5" and since then my speedo is out to lunch when I'm trying to do highway speed (100km/h). Needle is buried when I'm only doing 109km/h. How could I recalibrate this. Also have my winter tires on and the are 235/75r15. Also will have to...- fast_n_low86
- Thread
- 3.42ratio different tire size gm 8.5" speedometer th350c
- Replies: 10
- Forum: Automatic Transmission
