Originally posted by redxj:
i thought of chipping my 98 4.ol,
not all it's cracked up to be.
throttle body spacing is cheeper and
with almost same results.
(my 2 cents)
Thanksfor the replies guys. I'm curious about getting a little more pep from the XJ as we'll probably be towing a small utility trailer this year as we'll have tow kids. Any idea of how much HP gain is achieved with the throttle body spacer? Other cheap ideas?