94 Mustang 5.3 PT88 8.96 @ 152.55
12-13-2014, 07:30 AM
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94 Mustang 5.3 PT88 8.96 @ 152.55 Finally pushed through into the 8's last night but I'm starting to think the 862 heads might have become the restriction in my set up. The last 2 nights I've been upping the boost from 20.5 to 23lbs and it picked up a bit over 1 mph.
My build up is here but it's a long read and has gone through a few phases.
https://ls1tech.com/forums/conversio...h350-swap.html
Currently the combo is a 04 5.3 with 05 Gen 4 rods/pistons, regapped rings, ls9 head gaskets, head studs, comp 3724R cam (228 dur @ .050, 112*, .588 lift), untouched 862's, comp valve springs, Edelbrock pro flo intake, Glide, PT88, non-intercooled on e85, UPR front & rear suspension.
Last edited by MustangLS; 12-13-2014 at 09:36 AM.
12-13-2014, 09:52 AM
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I think it might be the opposite. On launch it goes right to 5700 and hangs there for about 1.5 seconds before ramping up, shift extension is 700-800. At the top end I have about 5.5% converter slip. I'm launching on 15lbs and it goes right to 22.5-23lbs with no ramp in the Holley just the time it takes the turbo to get there.
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12-13-2014, 10:11 AM
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I think it might be the opposite. On launch it goes right to 5700 and hangs there for about 1.5 seconds before ramping up, shift extension is 700-800. At the top end I have about 5.5% converter slip. I'm launching on 15lbs and it goes right to 22.5-23lbs with no ramp in the Holley just the time it takes the turbo to get there.
12-13-2014, 09:13 PM
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The simplicity of it. Easier to work on, less weight, fewer parts to buy, no charge pipes to worry about blowing off. Although it's been on the street it's mainly a track car, if it was the other way around I might have considered an AA more. I have an AW that I bought for it that might some day find it's way on the car.
This might not apply today but 20 years ago in the fox body mustang days someone I knew had a 5.0 with a Vortech. He was making 14lbs without an intercooler and was convinced he had to have one to make more power. He had one fabricated and through pressure loss it only made 11lbs. Eventually he pullied it for 14lbs maxing out the impeller speed. A year down the road he heard of someone making close to his numbers without the intercooler at 18lbs (same trim supercharger and pulley sizes) so he bypassed it to see how his numbers compared. He made 17.5lbs and it made 20 less RWHP than he did with the intercooler hooked up. This was something in the back of my mind that made me think of going without an intercooler in the early going especially with the availability of E85.
This might not apply today but 20 years ago in the fox body mustang days someone I knew had a 5.0 with a Vortech. He was making 14lbs without an intercooler and was convinced he had to have one to make more power. He had one fabricated and through pressure loss it only made 11lbs. Eventually he pullied it for 14lbs maxing out the impeller speed. A year down the road he heard of someone making close to his numbers without the intercooler at 18lbs (same trim supercharger and pulley sizes) so he bypassed it to see how his numbers compared. He made 17.5lbs and it made 20 less RWHP than he did with the intercooler hooked up. This was something in the back of my mind that made me think of going without an intercooler in the early going especially with the availability of E85.
