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Looking for info on how well or how poorly the Predator has performed on the dyno with different mods. No dyno near me and looking for a guesstimate on power. TRUCK: 2004.5 QC 4x4 Auto Predator on RKL Extreme Quad boost fooler Raptor 150 AFE drop in filter 5" TBE straight pipe 35" tires 2"...

Some folks have said using a fooler on a stock turbo even with a programmer is a waste of money and not only doenst show improvement but has hindered performance. Can anyone substantiate this or is it a case by case basis. Id be running it on an 04.5 with predator, 5" exhaust and afe intake...

Anybody know what company etches their injectors this way? Got a set second hand that are etched "D.P.O.H 1004". Guy I got them from said they are a 40 hp bump over 215's but running the bosch number brings up a Marine 300 hp injector. Just want to clarify. The bosch number is...

My exhaust has sounded like it has a glasspack on it for some time now. Doesnt do it all the time, usually at the lower end of the rpm range in 3rd and 4th gears. I am curious if it could be the 18* timing and needing 60lb valve springs or if the 370's are making it sound that way. Ive tried...

Im here, not new to diesel but new to the site.