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Old 02-09-2010, 04:37 PM
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torque converter help

arite lets start off with my set up:

355 w/flat top pistons
comp 282 roller cam .510.520 lift duration 282/288-230/236 @ .50
aluminum heads w/ 2.055/1.60 vlaves
edelbrock air gap intake
speed demon 750 carb

i have a 700r4 tranny its been rebuilt in the past w/ a corvette servo, bigger boost springs etc.

i also have 4.11s w/ posi in the rear

this engine is new and i have not drove it much. this will mainly be a daily driver. i have the stock stall in the tranny right now. i want to get a stall that better matches my set up, just need a little guidence pls

my first question is:

would it be better to get a lock up converter?(from what i've read it would be i think, and dont mind spending the extra money for one)

next, i thought about getting a 3000 stall, but now i think that may be a little steep for a daily driver and the heat it will bring; however the tranny is cooled through the radiator, i dont know if that will be enough cooling. so would a stall around 2500 work fine for my set up?

one more question, when my truck idles in park its fine, when i put it in gear the rpms drop down 500 or so and i have to give it a little gas here and there to keep it idling. would having a stall that better matches my set up help it idle better while it is in gear?

sorry so long thanks alot for any replies, they'll will be appreciated!

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Old 02-09-2010, 04:57 PM
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Quote:
Originally Posted by lowandloud91
my first question is:

would it be better to get a lock up converter?(from what i've read it would be i think, and dont mind spending the extra money for one)
Yes, in my opinion.

Quote:
next, i thought about getting a 3000 stall, but now i think that may be a little steep for a daily driver
Not at all, IMHO. Run an auxiliary cooler- you should anyway.

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would having a stall that better matches my set up help it idle better while it is in gear?
Abso-freaking-lutely. It will idle great w/o pulling against the TC.
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Old 02-09-2010, 05:03 PM
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3000 stall is a little high for that cam. I think 2800 would be better. but not a big difference.

yes, the lock up would be worth it. You will also need to install a lock up kit which is easy to do.

what size tires are you using?
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Old 02-09-2010, 05:14 PM
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thanks cobalt! thats what i was hoping to hear
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Old 02-09-2010, 05:16 PM
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Quote:
Originally Posted by 454C10
3000 stall is a little high for that cam. I think 2800 would be better. but not a big difference.

yes, the lock up would be worth it. You will also need to install a lock up kit which is easy to do.

what size tires are you using?

i havnt been able to find a 2800 stall for a 700..only 2500 or 3000

so i need a lock up converter AND a lock up kit?

and im not sure my tire size but i believe around 26 or 27...i would go measure it but im at work lol. but when im able to ill let you know
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Old 02-09-2010, 05:23 PM
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a cooler like this??

http://www.summitracing.com/parts/HDA-678/


i have some kind of in-line cooler i baught a looong time ago and never installed, is that no good?
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Old 02-09-2010, 05:29 PM
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yes just measured, almost 27 inches
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Old 02-09-2010, 05:36 PM
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Quote:
Originally Posted by lowandloud91
If you have the room, a tube cooler will do fine. If space is limited or your budget UNlimited, get a stacked plate-type.

Quote:
i have some kind of in-line cooler i baught a looong time ago and never installed, is that no good?
Many inline coolers weren't that efficient. What's yours like?

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so i need a lock up converter AND a lock up kit?
The lock up kits aren't too expensive, or figure one out from scratch- whatever- but you WILL need one.
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Old 02-09-2010, 07:25 PM
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i dont mind getting a tube cooler, id rather spend the extra money and know its ok

so ill be gettin that, a lock-up kit, and a lock-up converter and thats it right?
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Old 02-09-2010, 07:26 PM
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also its in a 91c1500, so im pretty open in the space department
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Old 02-09-2010, 10:56 PM
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Check out Derale and Hayden for coolers to get an idea of what's out there.
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Old 02-09-2010, 11:29 PM
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alrightyyy thanks a lot cobalt
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Old 02-10-2010, 02:09 AM
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Definitely get a 2800-3000 stall. You won't even notice it on the street. I had a hard time getting the idle right with the 2200 stall in gear and the E-brake would not hold the car so failed inspection. I installed a 3000 converter and the 6-71 and presto 800 rpm and the e-brake holds great.
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Old 02-10-2010, 11:37 AM
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Awesome, that's good to hear. Glad I'm goin with a 3000 can't wait to see how it runs! I'll post some pics whEn I'm done so y'all can see my set up and I'll update y'all on how. It turns out. Maybe I can get a video too
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