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Hey guys. Kinda posting for a buddy of mine. He’s got an iq chassis and put this 903 slp in it. He said when it’s cold it runs like crazy but once it gets warmed up it starts to detonate (exhaust actually stretching the springs to the muffler). I was thinking timing but he said he has a dial he can turn 4° either way. What do y’all think?


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Slp dealer in n.h.

Northstar performance
1454 N.H. rte. 16
Conway, N.H. 03818

603-662-7370

we sell all SLP products. have many pipes, muffler's, torque arm's, etc. in stock. we have ten or more set's of magnum force weights in stock at all times.
 
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