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Thread: Heads/cam Motor really shakes
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03-29-2007, 05:53 PM #1
- Join Date
- Apr 2006
- Location
- Michigan
- Age
- 49
- Posts
- 38
Silver- 99 camaro
Heads/cam Motor really shakes
I just did a tsp stage 2.5 head and ms3 install and with just a base mail order tune from speed inc. the motor really shakes. Is this normal? It does seem a bit rich but I did not expect it to shake like this. Everything seems o.k driving and idling. I am scheduled to go on the dyno on the 13th. Do you think it will smooth out at the dyno? I had it on a gm code scanner and it showed nothing wrong, no misfires, but it idles like it misfires? Any help or info will be appreciated. This is a 99 a4 camaro.
Last edited by andy670ho; 03-29-2007 at 06:00 PM.
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03-29-2007, 07:44 PM #2
You should invest in a HP Tuner so you can fine tune the fuel trims. I also had the tsp tune... They use LS1 edit, but the HP Tuning software works with locked tunes also. Mine was real fat at idle until I adjusted it down. Now it launches great !!! Good Luck !!!
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03-31-2007, 08:46 AM #3
on an untuned engine id say it is normal for that sized cam.
get a dyno tune.315rwhp 98 SILVER Z28 (3500lbs)- SOLD
400rwhp 99 HUGGER SS (3375lbs)- SOLD
340rwhp 02 YELLOW Z06 (3040lbs)
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03-31-2007, 12:00 PM #4
- Join Date
- Dec 2002
- Location
- n/w chicago
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- 54
- Posts
- 6,932
black- 2000 nhra edition formula
sounds like idle is set to low.
2000 nhra edition formula
a few bolt ons, 379 rwhp
11.96 @113.25
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03-31-2007, 03:31 PM #5
Yeah, its to be expected with that size cam and no professional tune. Once it comes off the dyno you should be fine though...
-Will
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