While helping a friend with his R/T that has numerous bolt-ons( MP
PCM,Headers,Cam,1.6 roller rockers New 2bbl MPI intake,FIPK,MPRB?
exhaust,180 stat.,high stall(2800)convertor) it doesn't seem to work as
well as it should(99CC,14.2s at 95 I think is the best on slicks)I noticed
one thing that disturbs me. When you drive it, it seems kind of"dead" ,sort
of like not enough ign. timing. At WOT its only getting about 20-24 deg.
timing depending on RPM(using a DRB3).Now to ME this doesn't seem like
enough. I would think at least 32deg. My STOCK Jeep PCM gets 28-31!!(it
rattles on 91) I checked another MP one,98 5.2 ones and its the same. All
these guys can run 87 and they don't ping.Any thoughts?? What SHOULD this
thing run?? Are there alot of R/Ts with these mods running quicker?? Not
alot of these up around here where I live.Oh and moving the cam timing
around helped little,and its not lean.
Dave St.Louis
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98 GRAND CHEROKEE LTD. 5.9L {14.82@91}
89 LEBARON GTC Conv. Intercooled 2.5 {14.13@95}
88 SHADOW ES Intercooled 16V DOHC 2.2 {11.95@122}
89 SPIRIT ES
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