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May just do that as the stock is 195 jeep runs anywhere from 200 to 230 depending on load and if the ac is running

It is a stage one cam from cleggs according to them designed to play nice with the computer and not require a tune with a slight bump it power and response over stock . I know a few guys on the stroker fourm who run it and have passed

Hi sorry for the late reply it was a combo of bad cat and bad afr. Stock fuel pressure regulator couldn't supply enough fuel making the jeep run lean and the cat was clogged up she passed smog today but nox is still borderline allowable is 517 and 530 at 15 mph and 25 mph respectively and jeep...

Yes the pistons were dished According to the numbers stock the 4.0 was at 8.8:1 and with the pistons ,deck work , and cam I'm at 9.3:1 static and 7.43:1 dynamic adjusted for elevation

I thinking so had a coolant overflow today and tested the rad cap and it was bad just replaced it as well I have a 3 fan set up were 2 fans kick on at 180 and the 3rd kicks on if it hits 210 Valves were kept stock and timing isn't adjustable at least mechanically it isnt just whatever the ecu...

Wouldn't that also effect hc and co as well ?

Didn't come with a egr from the factory Did a temp reading on the cat after driving at 55 for a few minutes and had 630 Inlet and 710 outlet the cat itself was around 270

so I recently rebuilt my jeep 4.0 engine and stroked it to a 4.6 new sensors and injectors Took it to smog and it failed nox by alot Engine only has about 150 miles on it Going over everything I noticed 2 exhaust manifold bolt were loose and one of the flange bolts to the down pipe was...