to shimm wastegate or not to shimm that is the ?

dupra87 · 10-20-2009, 02:50 AM

well been driving it for awhile now. have to say pretty damn fast and just above fuel cute off. diff worth it. didnt need alot just alittle bit more. plus funn to doo. so anwser to shimm is to yes

cre · 10-20-2009, 03:37 AM

Shimming the wastegate is a terrible idea, a crap practice and something which needs not be encouraged. You reduce the lifespan of the wastegate and you reduce it's range of motion creating a potential for boost creep and possible damage. It's an old hack which was poorly thought out from the very beginning.

Just build a manual boost controller. They're damned cheap and they're tunable.

http://www.gusmahon.org/html/boostcontrol.htm

10-20-2009, 02:50 AM	#1
dupra87 Intake Join Date: Sep 2009 Location: fl Posts: 35	rep well been driving it for awhile now. have to say pretty damn fast and just above fuel cute off. diff worth it. didnt need alot just alittle bit more. plus funn to doo. so anwser to shimm is to yes

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10-20-2009, 03:37 AM	#2
cre Toyota Racing Development Join Date: Apr 2007 Posts: 5,038	Shimming the wastegate is a terrible idea, a crap practice and something which needs not be encouraged. You reduce the lifespan of the wastegate and you reduce it's range of motion creating a potential for boost creep and possible damage. It's an old hack which was poorly thought out from the very beginning. Just build a manual boost controller. They're damned cheap and they're tunable. http://www.gusmahon.org/html/boostcontrol.htm