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idle problem after i tap gas???

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Old Mar 7, 2008 | 05:20 PM
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Default idle problem after i tap gas???

ok i have a 402 cam only just installed motor back in car i know it needs to be tuned but i have a get by tuning till i get dyno. ok problem 1:when i gas the car it goes all the way up and comes down really slow. Only code pcm has is 107pb map sensor. do i need to replace map sensor?

Last edited by lilicedout24; Mar 7, 2008 at 05:25 PM.
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Old Mar 7, 2008 | 05:26 PM
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No the map sensor is just freaking out because with bigger duration comes lower manifold vaccum. You just need to get it tuned. And just for fun what cam?
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Old Mar 7, 2008 | 05:34 PM
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Originally Posted by phoenix305
No the map sensor is just freaking out because with bigger duration comes lower manifold vaccum. You just need to get it tuned. And just for fun what cam?
402 with pat g cam 25x 24x 6xx 6xx

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Old Mar 7, 2008 | 05:51 PM
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you said lower vacum is that y im have break is issues i keep bleeding them still no breaks
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Old Mar 7, 2008 | 10:47 PM
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both are on the back of the intake so there maybe some correlation . brakes maybe the brake booster line having a leak or not on there good .
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Old Mar 7, 2008 | 11:28 PM
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ok ill check that out thankx
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Old Mar 8, 2008 | 01:10 AM
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Patrick G spec'd cam, your car is definetly going to move.
-Joel
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Old Mar 8, 2008 | 03:28 AM
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get a tune.
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Old Mar 8, 2008 | 05:41 AM
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Originally Posted by Mike96z
get a tune.
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Old Mar 9, 2008 | 03:25 AM
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ok im callin thunder raceing monday to get on the list
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Old Mar 9, 2008 | 04:58 AM
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Originally Posted by lilicedout24
you said lower vacum is that y im have break is issues i keep bleeding them still no breaks
Yes.

Currently our 346ci is running a 24X/24X .61X/.62X 112LSA and has to idle at 1100 rpm to have enough vacuum for the brakes.
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Old Mar 9, 2008 | 11:22 PM
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i feel mighty stupid well i put my own intake on ,and did not put a map senssor on it. after seeing a plug hanging i knew something was wrong. ok the stupid part when i had the 90/90 in the garrage the lil whole in the back for map sensor why i stuck the little black piece that was sappossed to screw on side of the TB, and it got stuck so i thought it was for a vac hose. i ran a hose to it in all after many phone calls i see all my problems well ill be taken it back off to fix all that this week im such a ***! hey but when im all done ill feel proud im doing it all myself! thanks you guy for all your help
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Old Mar 11, 2008 | 01:46 PM
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Jesus Christ Pete 402 Vs 346 Cam Only For Cam Only Vs Another Cam Only. You Know You Have To Give Us Something. Your Heart Is 56 More Cubes Than Ours. You Know It Is Unfair What That Big Motor And Big Cam all i have to say is Holy Macromoly, Gee Golly. You Got To Set Us Out There i think this is gonna call for the sledge hammer (the slow red camaro)

Last edited by Travose21; Mar 11, 2008 at 01:52 PM. Reason: forgot something
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Old Mar 11, 2008 | 06:46 PM
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Originally Posted by Travose21
Jesus Christ Pete 402 Vs 346 Cam Only For Cam Only Vs Another Cam Only. You Know You Have To Give Us Something. Your Heart Is 56 More Cubes Than Ours. You Know It Is Unfair What That Big Motor And Big Cam all i have to say is Holy Macromoly, Gee Golly. You Got To Set Us Out There i think this is gonna call for the sledge hammer (the slow red camaro)
hey new set up. my heart pump battle fluid 24/7 i aint trippin ill give u the other lane lol. i sold lite brite

Last edited by lilicedout24; Mar 11, 2008 at 07:59 PM.
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Old Mar 11, 2008 | 11:45 PM
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you sold lightbright and a barny and u painted bab bop. home u ep
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Old Mar 16, 2008 | 10:56 PM
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Originally Posted by Travose21
you sold lightbright and a barny and u painted bab bop. home u ep

ok lol my car will be painted blk cherry
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Old Mar 17, 2008 | 05:52 PM
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Then Imma Call It Cherry Cola
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