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Old 04-13-2017, 03:15 PM   #26
GASoline71
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Re: Converting manual to automatic, best transmission to use?

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I have a rock crusher sitting on my shelving and a complete running 355 with edelbrock heads under the bench. Been contemplating putting these in but a truck with stock clutch linkage and how long the shifter will be, sounds like a chore to drive....
My Dad has a Richmond T-10 4 speed in his 1970 C10 with a pretty rowdy 355, 3.73 posi-traction rear end... it is a blast to drive!

Gary
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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

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I would never rebuild a 305.
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I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
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Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
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Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 04-13-2017, 10:28 PM   #27
c1971
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Re: Converting manual to automatic, best transmission to use?

Just wrapping up TBI swap and 4l80e. Used lokar shifter, original stick location, 1995 computer, had to shorten driveshaft. Haven't driven on road yet but fit well. Originally had 250 and sm465. Universal joint is same.
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Old 04-15-2017, 08:03 PM   #28
67ChevNut
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Re: Converting manual to automatic, best transmission to use?

I have a 4L80 from a 2004 HD. What exactly would I need if I want to make that one work in my 72?
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Old 04-16-2017, 09:20 AM   #29
c1971
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Re: Converting manual to automatic, best transmission to use?

Cross member, cut down driveshaft, flywheel, tranny lines and coolers(I run the one in the radiator and an external), computer or controller for the shifting of the transmission, wire harness, shifter(I used a Lokar so I could keep the original shifter location and reuse my boot). Don't forgat to remove the factory mounted cross member that the bellhousing of your manual attaches to. I also converted my 1972 Monte Carlo to a 700r4 after converting it to a 2004r. The 2004r broke and I had a 700r4 sitting and have to say I like that swap. I run 3:08 gears and have a transgo shift kit in the car, knocks down 24 MPG. I run TBI in the car as well. Start looking around the web and ebay, you will find controllers and ways to run a 4L80E, you just have to decide what you can afford.
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