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2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 06-10-2011
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exhaust question

right now my truck is straight piped, i was wondering if im losing back pressure and power? and if i put a cherry bomb towards the back where the muffler would of been will that fix the back pressure problem?
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Old 06-11-2011
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bump
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Old 07-06-2011
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ok man trust me the rangers need alittle bit of back pressure. its a v6, almost all v6's need a good amount. but the cat will take care of that. if u through a cherry bomb on there it will give u like 5 maybe 7 hp and alittle torque. i have a 2.75 inch straight pipe outta the cat into a glasspack and a trundown and it sounds awesom. i wanna put headers and clear the cats out
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Old 07-07-2011
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I put thrush welded mufler with a 45o mandrel bend then a tip out the side of my truck infront of rear right tire , sounds good , sounds better then straight pipe
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Old 07-07-2011
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Quote:
Originally Posted by alexg0097 View Post
i have a 2.75 inch straight pipe outta the cat into a glasspack and a trundown and it sounds awesom. i wanna put headers and clear the cats out
yeah i have 3 inch pipe and it sounds good at low speeds and at a idle it sounds like a v8, but when i get on it, it sounds like a race car. i was hoping that maybe the glasspack or a thrush would give me a better sound.
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Old 07-07-2011
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i havent decided if i want to run a thrush muffler or a glass pack. i just want it to sound good.
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Old 07-07-2011
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glass pack will take the tin can sound outta ur ehaust , and give u a loud bass, thrush dose the same except for it just gives u the bass and its not to loud
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Old 07-07-2011
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how much do the thrush mufflers usually cost? i found a glasspack for $27
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Old 07-07-2011
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ya the thrush is a lil more then that , cause its better quality , mine was prob about $60ish , but thats in canadian
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Old 07-07-2011
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yeah. i think im going to go with the glass pack, the only bad things ive really heard about the glass pack is they dont last very long.
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Old 07-08-2011
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ya they tend to burn out after awhile , then sound like crap
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Old 07-08-2011
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The back pressure spec for the 4.0 sohc and ohv is 0psi. You can check this by removing an O2 sensor and putting in an adaptor with a pressure gauge. Mine was in spec with straights
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Old 07-08-2011
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yeah i know they burn out realy easy, but for $20 if it only lasts for a year i can replace it.
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Old 07-14-2011
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hmmmm i didnt know that the 4.0 was at 0. last time i checked 3.0 needs anywhere from .3 to like .7 but that almost seems too high to me
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