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Thread: Gm847 355 ported heads idle.
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07-21-2016, 08:45 AM #11Administrator
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My version of dst had logging features, and also alot of cheap universal obd2 readers will read basic info. Easiest thing to do is put an Obd1 computer in it, tune it with the cheap easy to use Obd1 programs. Then have someone mirror the tune onto your obd2 computer. 24x is a whole nother thing with credits for hp tuners etc
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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07-21-2016, 09:38 AM #12
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24x and HP tuners gets my vote.
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07-21-2016, 12:23 PM #13Xtreme Member
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Depending on emissions in your state/county, you could just do the obd1 swap. Computer is plug and play, just swap the knock sensor.
Sent from my VS986 using Tapatalk96 Z28 - ERE-383, AFRs, 9", Procharger D1, TermiX, etc.
95 Roadmaster - T56 swap, H/C, suspension (aka The Cammaster)
95 Firehawk - LE1s, suspension, brakes, HPDE car --> Track Vids
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The Following User Says Thank You to Catmaigne For This Post:
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07-21-2016, 03:54 PM #14
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07-21-2016, 03:56 PM #15
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07-21-2016, 03:57 PM #16
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Would low fuel pressure cause this?
What's the pressure with ignition on engine off
And with engine one
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07-21-2016, 11:24 PM #17Administrator
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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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07-21-2016, 11:33 PM #18
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Yeah I've been through 2 now, 2 different mail order.
The second seems to be better than the first.
Fuel pressure is good
Now I feel it has somthing to do with motor or vacuum.
Car ran great the first time I got computer back. Had to get some codes tuned out. Got pcm back and if ran funny.
Somthing happened in between

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