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03-06-2014
Hi I'm wondering if I could safely run a 3.4" pulley on my 2002 GTP.
Here are the following mods:
•3" zzp downpipe w/cat
•zzp powerlog front manifold
•u bend delete
•Wizaired CAI
•colder spark plugs
•Procom tune (next month)
What do you guys think? Should I also invest in a kr sensor and boost gauge? Thanks.
03-06-2014
A scanner should always be the first mod done to these cars. You "should" be fine on a 3.4, however the only way to know for sure is to scan. I had everything you listed above PLUS 1.9 rockers and I still had knock. Every car is different.
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03-06-2014
Ok thanks man ��
03-07-2014
Im running a 3.4 on AL104's, pLog, 2.5 catless DP, CAI, and a ported genIII, on a stock tune and I see anywhere up to 4* KR, usually in the winter its more in the summer Im usually at 1*-2*
03-07-2014
No knock is good knock. If you're getting a custom tune (which it looks like is what procom does) put the pulley on right before you head to the shop and don't floor it on the way to the shop.
That being said, it sounds like you have all the mods you would need to run a 3.4
Originally Posted by W-Body Store
03-07-2014
is anyone selling headers and a 3.4 pulley or tuned pcm im new to this site and am unsure of how exactly to use it any help would be greatly appreciated also looking for o2 simulator
03-07-2014
@Explicit_Spade that's actually exactly what I was going to ask next. I could definitely gain more from a custom tune having the 3.4 pulley installer before the tune. As long as I don't go above 3k rpm am I ok?
03-07-2014
Custom tunes are always best, that way it is suited for your powertrain, since they all have variances.
You don't have to worry about the rpms so much. Just drive like an old woman and you'll be fine.
Originally Posted by W-Body Store
03-07-2014
Ok thanks man
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