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03-31-2015
Pulley'd up to a 3.5 still have 3° of knock at WOT. I also lost 2-3lbs of boost at WOT. Maybe its the weather? But 3° of knock with headers something doesn't seem right. I got new stock wires, al104 180tsat my o2 isn't hitting the firewall... 207k miles no check engine light. I'm still waiting on a tune.
03-31-2015
That doesn't sound out of line at all, particularly without a tune.
03-31-2015
i was at 4.3 kr with a stock tune, and 3.4, headers and 1.95 rockers. a tune goes a long way.
03-31-2015
I knocked 3+ degrees on a stock pulley with headers. ACN91...
Last edited by BrandonHall10; 03-31-2015 at 06:33 PM.
03-31-2015
3 kr is about right for that setup. I had between 3-4 occasionally with SD headers and a 3.5. It Happens. Get a good tune, and add some e85 on top of your 93 if it's available in your area. Should cut it down.
03-31-2015
My car has 7*+ of KR bone stock.
3* KR on a 3.5 and headers without a tune isn't awful, but your goal is 0.
I would try to get an In-Car tune if possible, but if not pick up a tune from either Reptile on the Forum, or from Overkill.
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