Found the missing hp
Suspended
Joined: Nov 2004
Posts: 17,079
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Originally Posted by BHf150
No dyno yet because iam having problems with the computer system,the truck keeps going into engine fail safe mode,The truck has no problems with the motor,trans,tourque convertor,just the computer, My advice is to leave the trucks stock!!!!!!!!!!!
Member
Joined: May 2007
Posts: 60
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From: Georgia
Some of the later year Maxima's had similar problems with it's variable intake, only they typically ingested the screws and some mounting hardware and killed the engine. Obviously yours is not a mechanical failure, but rather a tech problem. Anyway, talk about a nightmare...
Senior Member
Joined: Jan 2006
Posts: 346
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From: clarksville tn
removing the charge motion control plates adds 7 rwhp to any 3v. there used to be a running debate over this, but the documentation is there.
take a 2.25 inch cross section intake and block it with a stamped steel plate with a 1/8" square operating rod and you have a restriction.
if you remove it and silicone the passages it REQUIRES a tune to compensate for low velocity part throttle driving. but the tunes are out there. it will coat you a few hours and a $3.00 can of silicone. for 7 rwhp. that's cheap.
i'm an auto just like you guys. 3.90 gears. i have near the same losses as any 2wd truck. 250rwhp and 340rwtq without the benefit of any of your intakes or tunes.
that's with stock duals, x pipe, 160 t-stadt, and cmc deletes. no tune. stock 4.6 2v PCM settings. so you tell me. my ignition timimg is wrong for 3v, my mixture is close but goes rich at 4200. and i still got 250rwhp/340 rwtq. throw the cmc's back in a i join the rest with 330ish wrtq.
anyway it's a $4.00 7rwhp/tq mod. and adjust the part throttles. go to the 3v section of modularfords.com
take a 2.25 inch cross section intake and block it with a stamped steel plate with a 1/8" square operating rod and you have a restriction.
if you remove it and silicone the passages it REQUIRES a tune to compensate for low velocity part throttle driving. but the tunes are out there. it will coat you a few hours and a $3.00 can of silicone. for 7 rwhp. that's cheap.
i'm an auto just like you guys. 3.90 gears. i have near the same losses as any 2wd truck. 250rwhp and 340rwtq without the benefit of any of your intakes or tunes.
that's with stock duals, x pipe, 160 t-stadt, and cmc deletes. no tune. stock 4.6 2v PCM settings. so you tell me. my ignition timimg is wrong for 3v, my mixture is close but goes rich at 4200. and i still got 250rwhp/340 rwtq. throw the cmc's back in a i join the rest with 330ish wrtq.
anyway it's a $4.00 7rwhp/tq mod. and adjust the part throttles. go to the 3v section of modularfords.com
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Member
Joined: May 2005
Posts: 93
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From: california
The problem Iam having with my truck is the computer does not like all of the mods i did to the motor,there are no tuners in california that know alot about this trucks, Iam thinking of sending my truck to troyer performance,or wait for diablo sport to release there software for my truck so i can tune it myself
Member
Joined: Apr 2007
Posts: 93
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From: Hollywood
Originally Posted by BHf150
The problem Iam having with my truck is the computer does not like all of the mods i did to the motor,there are no tuners in california that know alot about this trucks, Iam thinking of sending my truck to troyer performance,or wait for diablo sport to release there software for my truck so i can tune it myself
http://www.dcperformance.com/