LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

LS1 with TH 700R4?

Old 04-13-2007, 08:27 PM
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Car: 1989 Camaro IROC-Z
Engine: L98 350 TPI
Transmission: Built TH-700 R4 (Vilgilante 2800)
Axle/Gears: 9 bolt w/ PBR's
LS1 with TH 700R4?

What exactly do you need to do to run a LS1 with a TH 700R4? I have built 700R4 that I do not want to get rid of. Has anyone hooked up a TV cable to a LS1 TBI? Any help would be great.

Thanks

Kevin
Old 04-18-2007, 11:38 AM
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Re: LS1 with TH 700R4?

mine runs a 700r4 i did not do the install so i dont have alot of info to help you out. there is the best pic i could fine

http://www.ccfbg.com/trigger/DSC04628.JPG
Old 04-19-2007, 10:43 PM
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Re: LS1 with TH 700R4?

now that is interesting...

Thanks for the pic!
Old 04-20-2007, 07:00 PM
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Car: 1991 Pontiac Firebird
Engine: Lo3 305tbi
Transmission: 700r4 auto
Axle/Gears: 10 bolt 2.73
Re: LS1 with TH 700R4?

Originally Posted by trigger GTA
mine runs a 700r4 i did not do the install so i dont have alot of info to help you out. there is the best pic i could fine

http://www.ccfbg.com/trigger/DSC04628.JPG
that is ****ing gorgeous !!!!! How much did that cost you ?
Old 04-20-2007, 07:47 PM
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Re: LS1 with TH 700R4?

i got it last year for around 8. totaly finished and on the road

http://www.ccfbg.com/members_rides/trigger_gta.htm

a few extra pics
Old 05-08-2007, 07:55 PM
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Re: LS1 with TH 700R4?

theres a bracket you can get for the throttle body.. there is also one off the tranny that lets you bolt up the ls1 flexplate to the r4 convertor on ebay
Old 05-08-2007, 08:37 PM
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Axle/Gears: 9 bolt w/ PBR's
Re: LS1 with TH 700R4?

Where is this LS1 flexplate to TH700R4 convertor plate on ebay I looked and could not find it.

Thanks
Old 05-08-2007, 09:45 PM
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Re: LS1 with TH 700R4?

http://cgi.ebay.com/ebaymotors/700R4...spagenameZWD1V
Old 05-19-2007, 10:33 PM
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Re: LS1 with TH 700R4?

I don't really know anything about the LS1 with a 700R4 but if you put a 700R4 behind an LT1, the PCM needs an electronic VSS signal to calculate loading on the engine and what not. It may be the same for the LS1, but I don't really know. I do know that there is not an electrical output from the 700R4 though...
Old 05-20-2007, 07:05 AM
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Re: LS1 with TH 700R4?

One other thing to figure out is if the LS1 PCM will control the 700R4 lock up. If not get an old school vacuum switch. In fact I have one if you need it
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