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Unread 01-05-2013, 01:53 AM   #16
dg6772
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1986 CJ7 
 
Join Date: Feb 2011
Location: Muskegon, Michigan
Posts: 1,482
Lamo!!!!

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Unread 01-07-2013, 04:43 PM   #17
TxJeeper20
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1982 CJ5 
 
Join Date: Jun 2008
Location: Arlington, Texas
Posts: 853
You cannot run cams period in tbi without a chip retune , and even then they have the be mild. The tbi heads have the worst flow rates from GM if your after performance , try swapping on vortecs and a mild cam then play with the chip. thats my plan when I wear this stocker out , if I ever do I baby it
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1982 CJ-5 350TBI/AX-15
1989 Porsche 928 S4
2003 Honda VTX 1300R
2005 Infiniti G35
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Unread 02-02-2013, 04:21 PM   #18
Jeepkid1995
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1979 CJ7 
 
Join Date: Nov 2011
Location: kelowna, British Columbia
Posts: 201
Sorry to revive this thread, but I didn't want to start a new one. The 350 has yet to be pulled from the truck, so I have no progress updates thus far. What I would like to know is how much trust can be put into the TH700 currently residing behind the tired 350. Both pieces have over 320,000 kilometers on them. I am interested to know because it turns out my dad is not quite willing to let the engine go to me yet. He wants the 350 rebuilt, then put back in front of the untouched TH700. I have a gut feeling this is a bad idea, due to the high mileage, (not to mention I want the darn engine for my CJ). I know these GM transmissions are tough units, but does there come a point where one should start to be weary of the remaining life of a TH700? Especially when put back behind a rebuilt performance oriented 350?
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->'79 CJ7 (VIN Says it's a 5, wheelbase says otherwise), 6 inches of spring lift, awaiting an MC2100 on a teamrushed MSD'd 258

-->350 time. '95 block SBC, stroked to 383, dremeled heads and big 'ol intake, maybe a Holley 750 CFM, not sure yet

--->"Safety? Buy a Volvo. Never buy a CJ, or a Chrysler Jeep knock off, for safety, fuel mileage, reliability, handling, ride, comfort, aerodynamics, quietness, convience, stability, low maintenance cost, performance, or ease of use. The only reason to buy a CJ is because you are absolutely, incurably nuts." -OldTexas
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Unread 02-02-2013, 05:40 PM   #19
rplivin
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1985 CJ7 
 
Join Date: Jun 2012
Location: Jasper, Alabama
Posts: 147
If you are goig to the trouble of rebuilding the engine with 320000 kilometers or close to 200000 miles on it kinda foolish to not rebuild the trans. Not saying it wont last just depends on what kind of life it has led and service done to it. Those are fairly easy transmissions to rebuild. There are several excellent step by step videos out there. As far as changing the engine to a carb there is no difference other than the angle of the center bolts on the intake, swapping in an HEI or dist of choice and water pump if not keeping the serpintine belt. Most aftermarket intakes are already slotted for the center bolts. If it has a roller cam just swap to hydraulic cam, lifters and pushrods. Like said before the heads will restrict you on what cam. I wouldnt go with anything more than like a Comp Cams 252 or 260 series. They will have a very slight idle and keep your Rpm closer to 8-1200 on low end and around 5000 top end. Over camming an engine just to here it will cause issues on stock engines. Carb size I would run a small 4bbl 5-600 cfm or run a good 2bbl. An engine with that many miles will likely have to be bored out, Heads reworked as well as everything else. Doubtfull but you might rering it but thats a gamble with how much work will be involved in the swap. For close to the same money why not opt for a HESCO head and cam for the 4.2?
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