09-13-09, 09:03 PM
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#1
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89 CRX si, now with b16!
Join Date: Mar 2005
Location: Las Vegas, NV
Posts: 455
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Wastegate springs?
Finally gonna turbo the b16, got a cheap kit off craigslist for 350 so pretty happy bout that.. Anyway to the point: the kit came with what appears to be a 38mm "JDM Sport" wastegate.. My 2 questions are:
1. How can I tell the true size of the wastegate(32mm, 38, 40, 44, 50) ?
2. The guy I got it from said it has a 12lb spring... That's way more than I wanna go(7lbs), so I wanna know what springs will fit if anyone knows... I believe that a 38mm wastegate is the same across the board so any brand spring(tial, turbonetics) will work as long as it is designed for a 38mm wastegate.
Worse comes to worse I believe hooking up a ball and spring manual boost controller can dial down the boost to 7psi, correct? Chime in anyone! Thanks again, you guys are always helpful.
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89 Honda CRX si
b16a swap - CAI, tein lowering springs, big brake upgrade, 16s  Coming soon: T3 Turbo 
00 Firebird Trans-Am
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