2500 AVY 8.1 dyno
10-31-2010, 09:24 AM
#4
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factory 8.1 bored .010 over mahle forged pistons, scat H beem rods, balanced crank, Raylar big power heads, raylar 103 cam, 1.7 roller rockers, bee hive valve springs, raylar cool gap intake manifold, EGR delete, no cats, vara ram cold air intake, bigger injecters, iridium plugs, taylor 10.4 MM wires, stainless works, 1"7/8 primary to 3" collectors long tube headers, 3" true dual exhaust, 30" 3 chamber stainless works mufflers.
not as much HP as I would have liked but I can't argue with the torque numbers for what I do with the truck.
not as much HP as I would have liked but I can't argue with the torque numbers for what I do with the truck.
Last edited by thundert56; 10-31-2010 at 09:39 AM.
10-31-2010, 12:12 PM
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Should make a very nice tow rig! Was your afr measured up the tail pipe or wideband in a o2 bung? Do you know what afr you ended up shooting for and what kind of WOT timing did you end up at?
11-01-2010, 02:23 PM
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nice numbers
going by stock dyno, 238hp and 310 tq. that means my 4l80E sucked up 102hp and 145lbtq... So if you added those number back into your wheel hp, ( which i know cant really be done) that would put your truck a 465crank hp and 585 tq!!
What where you stock numbers?
going by stock dyno, 238hp and 310 tq. that means my 4l80E sucked up 102hp and 145lbtq... So if you added those number back into your wheel hp, ( which i know cant really be done) that would put your truck a 465crank hp and 585 tq!!
What where you stock numbers?
11-01-2010, 03:52 PM
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mine stock was 230 hp and 350 tq. that was on a mustang dyno. a company out of Nashville TN called Delk performance.
I am still trying to find that dyno sheet.
My tuner sayed that this engine is very thirsty I think the AFR was about 12.6 is what he was shooting for. I don't know about the timing.
I don't know why the power falls off after 4200 rpm raylar's dyno sheet shows this cam building power all the way to 5100-5200 rpm. but the hp at 4200 rpm is right on with there dyno sheets. I need to find out where the 30-50 other hp went from 4200-5000 rpm.
I am still trying to find that dyno sheet.
My tuner sayed that this engine is very thirsty I think the AFR was about 12.6 is what he was shooting for. I don't know about the timing.
I don't know why the power falls off after 4200 rpm raylar's dyno sheet shows this cam building power all the way to 5100-5200 rpm. but the hp at 4200 rpm is right on with there dyno sheets. I need to find out where the 30-50 other hp went from 4200-5000 rpm.
Last edited by thundert56; 11-01-2010 at 06:11 PM.
