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How much timing are you running on pump gas?

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Old 01-12-2011, 10:29 AM
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Are these at idle or wot?
Old 01-12-2011, 10:33 AM
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Those listed above are at WO.

I just started on my TVS tune and I am at 9lb, 18 degree timing no KR. I plan to run more boost but only got about 1/2hr tuning on it before i parked it for the winter.
Old 01-12-2011, 11:01 AM
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Originally Posted by pkozera
Are these at idle or wot?
idle on most trucks/cars seems to be 20-25 degrees.

8.1 trucks seem to really like 24-30 degrees at idle. great vacuum and throttle response.
Old 01-12-2011, 12:00 PM
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Learning how to tune my ve so I'm on 10 degrees. It still breaks loose under 60 wot but holds it if I ease in.
Old 01-12-2011, 03:44 PM
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Originally Posted by tarinitup
Learning how to tune my ve so I'm on 10 degrees. It still breaks loose under 60 wot but holds it if I ease in.
How much boost in that instance?
Old 01-12-2011, 04:43 PM
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10.3:1 CR, 10 lb. boost, 14° at full boost peak. 93 octane. Here are the full boost numbers, from 400 to 8000 rpm:

10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 11.0 12.0,
12.0 13.0 13.0 14.0 (5600),14.0(6000),14.0(6400), 13.0 13.0 13.0 13.0

Last edited by MikeGyver; 01-12-2011 at 05:16 PM.
Old 01-12-2011, 04:47 PM
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Originally Posted by JoeyGC5
How much boost in that instance?
7 psi
Old 01-28-2011, 11:56 AM
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Im curious, has anyone here had a problem lifting the heads?? I see many here with high timing and im assuming on stock head bolts?? Or head studs??

The first time i lifted both heads i had arp head bolts...15 psi at 17* with meth(50/50).....second time put on arp head studs and driver head lifted not as much as first time but enough for coolant to drain out slowly...passenger head lifted very lil..coolant wouldnt come out...and no knock registering...
Old 01-28-2011, 11:58 AM
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Forgot to mention...Lq4 9:4.1 compression.
Old 01-28-2011, 12:17 PM
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Well the truck ended up making 433/490 on a mustang at 12.5* on 91 and FAT. Like high 9's fat.


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