Private Snowball is down with the quickness
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Well, if that compressor wheel is moving 300hp worth of air at 15psi, but your motor is only making 250hp, that extra air will take the path of least resistance, which is back out the turbo. This will cause a low pitched whistling sound and may cause the car to surge as the air is moving backwards through the VAM.
Turn the pressure down some then?
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"Genuine" ASE certified Mazda, Hyundai, Isuzu Technician
Escort Enthusiast Site
Automotive Electrical Specialist, Tuning Specialist
"Genuine" ASE certified Mazda, Hyundai, Isuzu Technician

Escort Enthusiast Site
Automotive Electrical Specialist, Tuning Specialist
turning the boost down won't help much. The Pr will be consistent with the amount of air the turbo moves. the better thing to do is make the head more efficent by porting and polishing. If you want, take off the E6, and I will port and polish it for you. That helps a lot 
Also, a afpr will help a lot without having to move to a larger fuel pump.

Also, a afpr will help a lot without having to move to a larger fuel pump.
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1989 SHO
1987 Merkur XR4Ti
1989 SHO
1987 Merkur XR4Ti
Originally posted by URFUCT
Is this the same car for sale on Badrap? Or are their 2 Allen's with similiar looking cars?
Is this the same car for sale on Badrap? Or are their 2 Allen's with similiar looking cars?

Regarding the manifold, I'm going to ditch it for something else. Dave is going to be making a couple custom log-style manifolds with external wastegate flanges. I'll either go with one of his or one of the ones from turboford.org.
I'm also researching new turbos. Trying to find something with not a whole lot of lag, but capable of producing 300-325 rwhp when I start doing head work down the road. This is also my excuse to get rid of the water cooled stock unit, go with an external wastegate, and have full 3-inch exhaust from the exhaust elbo back.
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