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Thread: Tune issue after cam install
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08-02-2016, 10:26 AM #1
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Tune issue after cam install
Over this past winter I did a cam swap in my LT1 and ever since then the tune has been for crap. I've had a local shop try and tune it with no luck and then had PCM4less tune it. Since they tuned it the car has a high idle (about 1,100 RPM) and when shifting (6-Speed) the RPM's either climb or hover before they start to fall. I have checked for vacuum leaks and have found nothing. PCM4less told me to drill a 1/8inch hole in the throttle body flapper so the car can still suck air when the flapper is closed because of the higher lift cam. This just doesn't seem right to me. I think the tune is still the main problem. Do you guys have any ideas?
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08-02-2016, 11:25 AM #2
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What computer are u using? Obd1 or obd2?
Originally Posted by 97ssdude
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1994 Firebird Formula 381 stroker - Carrying the torch! - 9.64 @ 139.4mph on a 88 jet
1994 Camaro Vert - SBE LE1 Summit 8802 Cam - The Cruiser
1993 Camaro Z28 - 355 TC78 Turbo T56 - part out? finish?
The wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ P600B / CPT Ultra Pro Race 4L60E/Holley Terminator EFI/little huff of spray
10.16 @ 138mph. Shooting for 9.99 for Frank/Gail Cahall!
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08-02-2016, 12:03 PM #3
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Obd2 sorry it's a 1997
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08-02-2016, 01:44 PM #4
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Keith or Kevin @ pcm4 less is horrible.
Bryan Herter was the one that knew his stuff when he handled the mail order.
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08-02-2016, 02:55 PM #5
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sent the pcm to moe
Kyle
just ur everyday slow LT1. wanna try her out?
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08-02-2016, 05:10 PM #6
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My pcm4less tune sucked. I wish I would of know about Moe.
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08-02-2016, 09:40 PM #7
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08-02-2016, 09:41 PM #8
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He did a tune for me after bricking the pcm and my 383 runs the best it ever has.
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08-02-2016, 09:53 PM #9
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Send it to moe. Stevie wonder could tune my lawn mower better than keith, and herter became an asshole when everyone kept telling him keith sucks. Also there is jeff creech of Carolina automasters
Sent from my SAMSUNG-SM-G935A using TapatalkLTX Hoarder
1994 Firebird Formula 381 stroker - Carrying the torch! - 9.64 @ 139.4mph on a 88 jet
1994 Camaro Vert - SBE LE1 Summit 8802 Cam - The Cruiser
1993 Camaro Z28 - 355 TC78 Turbo T56 - part out? finish?
The wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ P600B / CPT Ultra Pro Race 4L60E/Holley Terminator EFI/little huff of spray
10.16 @ 138mph. Shooting for 9.99 for Frank/Gail Cahall!
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08-04-2016, 07:11 AM #10
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Thanks for the advice guys.
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