if i were to take the money i have in it on all the bolt ons added up i could about stroke it ( i have bought and sold some stuff so overall) which i would do next on my next cherokee build with a new header and exhaust even before lifting it or anything. i run synthetic castrol syntec for the last 50k, k and n oil filter with a stp oil additive or lucas every 3k, use fuel injector clean or acetone on regular basis like every 30 gallons and just had a compression test and the motor runs like a top.
With this all together with the chip i love the feel of my engine - i get great torque on the trails, i have gotten it to run cool now - 3 core radiator, hood spacers, hood vents - and the HP is fine for my 35's and 4.56 gears - it is not a big 350 or 454 but it is reliable, fuel efficent (not great but ok for me for a few times a week driving), sounds great and gets me where i need to go. K and n fipk intake, rustys tb spacer, banks header, unkinked downpipe - 2.5 to hi flow magnaflow cat to 2.5 flowmaster 40 series, bored stock tb to port match intake at 60mm, screamin deamon ignition upgrade, stock champion plugs, optima battery, I have a jet stage 1 chip on my 99 which helped my throttle response - thats about it but also i have done: It's a $50 mod so you can't expect much, but it'll yield a small HP/TQ gain and you may see a small improvement in gas mileage. Some JET chips cause problems so best avoid them altogether. Small gain in HP at top end but you lose a little torque in the midrange. I like my Borla header for the improvement it made to the sound so for that reason alone, I think it's a worthwhile mod.ģ. Header: Not much of a gain by itself but works much better in conjunction with mandrel-bent downpipe, high-flow cat, and performance catback. They also look a lot sexier than the stock stamped steel rockers and I have them in my 4.6 stroker.Ģ. Do them for engine reliability, not for performance. Yella Terra 1.6 ratio roller rockers: More stable, quieter valvetrain (no more pesky rocker ticking) but HP/TQ gains minimal. I'll give you my own first hand experience of these mods.ġ. Do any of these do any good, or are they just a waste of money? Or something like headers, a performence chip, or a throttle body spacer.
Does anyone know how big of an increase in power would a person would get if they bolted on a set of aluminum roller rockers.
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