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Old February 20th, 2011, 03:44 PM   #1
1TFROT
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Default little motor work done

quick snapshot: '00 s10/zr2 with a 6.0 LQ4. wanted more power than it was in stock form so I added some headers (with flowmaster super 44s) and had a new cam installed with some tuning. just got it back yesteday so I have not driven it yet, but it seems to be promising



sounds fairly nasty (in a good way :D ), but is a cold-blooded animal now. it took a good 5-10 mins for warm up just so it would rev above 2grand. can't wait to drive it and see how it runs! they had the dyno loaded up pretty good and said it pulled hard up to 6200rpm




cam specs should be as follows...

230/224
LSA 112+2
.591/.581
it is a custom grind that's considered a reverse split cam
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Old February 20th, 2011, 04:45 PM   #2
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Very nice!

Any reasoning behind the reverse split? They arent very common in these engines, I'm wondering what factors contributed to that decision.

What RPM is your idle at?
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Old February 20th, 2011, 04:58 PM   #3
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thanks! they recommended the reverse split due it was suppose to create more power on the low end, a little quicker. he did say it was a little older technology, but they work very well for low end torque applications. a little above my paygrade, but something about quicker ramp-up vs other stuff

idle is about 700-800 from what I remember on the tach.
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Old February 20th, 2011, 04:58 PM   #4
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6.0's are over rated.

Sounds good.
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Old February 21st, 2011, 05:45 AM   #5
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Originally Posted by whiterhino View Post
6.0's are over rated.

Sounds good.





thanks
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Old February 24th, 2011, 07:34 PM   #6
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what kind of headers did you do with ? and who did your tune ?
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Old February 24th, 2011, 11:05 PM   #7
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pretty sure the headers are headman (bought through Summit) and the tuning and cam was done by Straightline Performance (1320hp.com)
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Old February 24th, 2011, 11:10 PM   #8
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sounds great!
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Old February 26th, 2011, 06:37 PM   #9
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Sounds good but who did you say tuned it?

Is it still FI or did you put a carb on it?

No LS motor should have to warm up for 10 minutes before it will rev above 2K.
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Old February 26th, 2011, 07:27 PM   #10
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it's FI. pretty sure they explained as a safety thing for the tuning. more rpm's are allowed as the coolant temp rises towards full operating temps.
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Old February 26th, 2011, 07:39 PM   #11
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Quote:
Originally Posted by 1TFROT View Post
it's FI. pretty sure they explained as a safety thing for the tuning. more rpm's are allowed as the coolant temp rises towards full operating temps.
Ah well that makes a lot of sense then.

You'll be happy with it I'm sure. With the advance they ground into the cam its going to make the power come on sooner as it helps raise the Dynamic compression.

We used a 230/230 in my buddys LS1 goat and cam only it made 400 to the wheels and had plenty of power in the lower RPM's.

Reverse splits do work in LS motors.
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Old February 26th, 2011, 08:09 PM   #12
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good to know, thanks. might actually get to drive it in the next day or 2
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Old February 26th, 2011, 08:16 PM   #13
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Dammit i forgot you're in Chicago. Ive been looking for a place that does a lot with Gm truck engine tuning.. Livernois has an awesome rep here locally with LS series engines so i'll probably end getting with them
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Old February 26th, 2011, 08:51 PM   #14
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Quote:
Originally Posted by Mclovin View Post
Dammit i forgot you're in Chicago. Ive been looking for a place that does a lot with Gm truck engine tuning.. Livernois has an awesome rep here locally with LS series engines so i'll probably end getting with them
http://www.stenodperformance.com/

http://www.engineeredvictories.com/

http://www.bakerengineeringinc.com/
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Old February 26th, 2011, 09:15 PM   #15
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Sounds pretty mean! Love the SX2's as well.
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Old February 26th, 2011, 11:02 PM   #16
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Sounds pretty mean! Love the SX2's as well.

thanks
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