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To answer your first ? , no it doesn't and gapping the plugs is a
real pain in the ass. My opinion, go with the split fires or AC
rapid fires.
? 2, my only answer is a junk yard or the dealer.
? 3, The air is sucked through the air filter, then it is metered
through the Mass Air Flow sensor (MAF), then it is discharged into
the throttle body where combines with the fuel in or at the end of
the runners of the intake or plenumm. The more bends and curves in
your air intake tube, the less air you can stuff into the heads.
Which stands to reason, the larger MAF and throttle body you use the
more air you can stuff. The other point I should make is if you leave
the heads stock, your HP won't increase very much (maybe 6-10 with a
MAF, conical air filter, and larger TB). If you were to replace the
heads with PI (Police Interceptor) heads, you could easily triple the
above HP.
? 4, the O/D is Over Drive. The easiest way to explain O/D is, for
every 100 RPM's your engine turns the tranny turns the same. O/D is
a 1:1 ratio. Drive is around 1:3. In O/D you with get better fuel
economey and have a longer power curve at highway speeds the you
would in Drive. The traction assist has nothing to do with the
tranny. When the rear wheels start to slip, the computer sences the
slip and applies the rear brake to that wheel. The system works
great in snow or low traction elements when you DON'T want the rears
the spin. The traction assist has nothing to do with the handling.
Any large, heavy car with have poor handling unless you add more
components. IE... a front and rear sway bar (the thicker the bar the
more stable and rigid the car.), improve the struts and springs and
add a GOOD set of 235 55 R16 tires in the front and 245 50 R16's in
the rear. Just from replacing the tires you will notice a major
difference in the high speed cornering and traction.
I hope this all helps,
Jack
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