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Post by reaper5lm on Dec 21, 2008 8:55:01 GMT -5
My Question on Transmissions I know T5 are fun and all but consistent is on a C-4. Of what I have found out. But will the Turbo Spool like it does on the T-5?
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sluggo
Boosted Newbie
Posts: 8
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Post by sluggo on Dec 21, 2008 12:01:31 GMT -5
Yes, it will spool the turbo with an automatic. It takes a different approach though. With a stick you burn raw fuel in the exhaust to make boost, but with an auto you actually load the engine.
Auto = lean and add timing
Stick = rich and pull timing
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Post by reaper5lm on Dec 21, 2008 13:41:40 GMT -5
Do you Know anyone that runs it ? C-4
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sluggo
Boosted Newbie
Posts: 8
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Post by sluggo on Dec 21, 2008 15:15:54 GMT -5
I ran one for a summer. Had it out 8 times with various troubles and put the t5 back in at the end of the year. You can get more experienced advice from theturboforums.com or there are a few with c4's on TF.
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Post by reddragon777 on Dec 21, 2008 16:36:08 GMT -5
I am going to run a C4 or try and work a 5R55, i love my 5 speed auto on the GT and i would love to have it on the 4 cylinder. But if not i am going with either a TCI or PA C4
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Post by Stinger on Dec 21, 2008 20:29:13 GMT -5
Yeah, just sit on the trans brake and it will spool on the line.
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Post by reaper5lm on Dec 22, 2008 8:28:11 GMT -5
Nice, So this also would mean changing up the tune? @!#$% lol
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sluggo
Boosted Newbie
Posts: 8
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Post by sluggo on Dec 22, 2008 18:29:40 GMT -5
Nice, So this also would mean changing up the tune? @!#$% lol Not much if any. You get rich with a stick by using a 2 step and pull timing with a switch of various sorts. A good tune with an auto should suffice, but if not you can fool with the tune a little. |
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Post by Stinger on Dec 22, 2008 21:30:40 GMT -5
Yeah, shouldn't effect the tune.
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Post by reaper5lm on Dec 22, 2008 22:00:42 GMT -5
Good deal. I have a three step I could use.
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Post by Stinger on Dec 23, 2008 15:03:41 GMT -5
That's fine for a manual, just need a trans brake for the C4 though.
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Post by Matt Culpepper 2300gearjammer on Feb 6, 2009 23:24:57 GMT -5
If you go the C4 route there's two approaches. You could find a super loose conv which would be 5k stall or so and run it up on the converter by holding brake and giving it throttle, timing, leaning on it as stinger mentioned. The Hubers leave off the footbrake with a 7k stall converter. Plan B, is to use a transbrake/2 step which would pull timing/ richen exactly like you would do with a 2step on a stick car.
Either way you'll need a torque converter for your power level and running the engine up against the converter is probably by far the way to go for predictability and consistency.
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