I'd say its a little bit of everything. Headers will likely have the same
effect too.
Ken Allgood wrote:
> Just curious... Recently I installed a F&B 50mm TB and replaced the stock
> PCM with a Mopar PCM (CA Emissions, Federal.. which I'm not in CA, so I
> don't have to have the CA PCM)... And although the HP output on mid-high
> RPM is awesome, seems to me that I lost some/lot of low-end Torque.. for
> example, I could baby it to about 5-10mph, then go WOT, and would spin the
> tires (dry) for probably 15 feet before they'd stick.. after the recent TB
> and PCM installtion (did 'em about 1 week apart), it's hard to spin the
> tires at all, unless I go WOT from standstill or road is wet.. Once I hit
> 2-2.5k rpm, takes off like a rocket, but it's a little slow before that...
> I thought it may have been due to the hot weather, but it's been in the
> mid-upper 70's here this week, and still isn't taking off the line very
> fast.. not really even at WOT.. Starting to wonder if it's the Mopar PCM
> (which I'm piggy-backing Hypertech PCM on).. when I took the Hypertech off,
> I noticed lost HP, so I put it back on (even after resetting the computer)..
> Also noticed it doesn't ping/sparkknock anywhere near it use to while
> towing.. really starting to make me wonder about the mopar CA PCM..
> Thoughts???? Maybe time to invest money in some headers??? =D
>
> Ken Allgood
> 97 CC SLT 5.2L
> Quick-D Intake, Gibson Cat-Back, Accel Ignition, JBA 9mm wires, Autolite
> 3923s, 180 t-stat, Mopar PCM, Hypertech PCM, F&B 50mm TB
> Sound: Kenwood Deck, Kenwood Crossover, Rockford Fosgate 800wx2 Amp, 2
> Kenwood 12's, 2 JL 12's
> Best ETA: 15.8 @ 85mph (Before Accel Ignition, Mopar PCM, JBA wries, F&B
> TB - Racing/Street weight: 4380lbs)
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:05:17 EDT