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what my cam sounds like 

 

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Posted: Wed Mar 08, 2006 5:23 pm 
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1604 shouldn't turn you car into a lumpy, hunting beast.
Try the XR6 ECU, but still I would suspect something isn't quite right.

 

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Posted: Wed Mar 08, 2006 6:19 pm 
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Mine just goes: lump lump lumpity lump lump lumpity lumpity lump :)

And damn I love it!

 

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 Post subject: Re: what my cam sounds like
Posted: Wed Mar 08, 2006 6:25 pm 
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fastleno wrote:
lump lump lump lump lump lump lump vrrroomm vvvvrrrroooom lump lump lump lump lump vrrroomm vvvvrrrroooom lump lump lump lump lump vrrroomm vvvvrrrroooom lump lump lump :D


I have the same problem with my car.

I was told to turn up the base idle screw a little and / or replace or clean the idle control valve.

I'm doing it next week.

Will let you know if it fixes the issue...
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Posted: Wed Mar 08, 2006 7:57 pm 
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nar mine is all good the cam is designed with a 60 degree's over lap from the intake lobe to the exuast lobe at idle most of the fuel and air goes straight out the exast (eyeburner) its a speedway cam, it has f@#$ all of anythink down low but up over 2800rpm it makes serious power. the sound gives me a mechanical horn.
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Posted: Thu Mar 09, 2006 10:25 am 
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voxace wrote:
1604 shouldn't turn you car into a lumpy, hunting beast.
Try the XR6 ECU, but still I would suspect something isn't quite right.


Yeah it seems to have turned it into a lumpity hunting beast and i do have a XR6 ecu also just had the motor re-built with the 1604 and cam gear in her..

 

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Posted: Thu Mar 09, 2006 10:29 am 
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Quote:
Quote:
Bluexr6 wrote:
Unfortunatley mine does this to, and there is no aftermarket cam in there. I think it might need the timing adjusted???? even though it was done after the head gasket was done, might just need some slighty advanced timing.

Anyone got any ideas??


could be idle speed controller, that is the first thing i'd try.


If i unpug my map sensor and it still does the smae thing could i assume that it is the MAP sensore that is faulty??
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Posted: Thu Mar 09, 2006 3:01 pm 
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today i ordered a 1636 from wades today
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Posted: Thu Mar 09, 2006 3:04 pm 
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re grind?

 

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Posted: Thu Mar 09, 2006 3:26 pm 
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yer just a grind, i will get a brand spanker when i fully rebuid my other 4.0l, two set of standard shims is the go thay tell me
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Posted: Thu Mar 09, 2006 5:38 pm 
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Have u ever raced your car at the Wangaratta Speedway track? Thats where we race our Standard Saloon, but from what I'm hearing about your engine, I think your in a different class than us.
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Posted: Thu Mar 09, 2006 6:12 pm 
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GyzmO wrote:
Have u ever raced your car at the Wangaratta Speedway track? Thats where we race our Standard Saloon, but from what I'm hearing about your engine, I think your in a different class than us.
i race at rushworth g.v.a.c open saloons most of the running gear is xf
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Posted: Fri Mar 10, 2006 12:58 am 
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hornet wrote:
Mine just goes: lump lump lumpity lump lump lumpity lumpity lump :)

And damn I love it!


Yep, nice feeling/sound. Had to set my base idle to 950rpm though.

And at times taking it out of gear, it'll rev itself to 2800 sit there for a while then slowly come back down? WTF is with that?

 

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Posted: Fri Mar 10, 2006 1:17 am 
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data_mine wrote:
hornet wrote:
Mine just goes: lump lump lumpity lump lump lumpity lumpity lump :)

And damn I love it!


Yep, nice feeling/sound. Had to set my base idle to 950rpm though.

And at times taking it out of gear, it'll rev itself to 2800 sit there for a while then slowly come back down? WTF is with that?

Giving itself a pat on the back for a job well done?
NFI!!!
I get a blap when it goes to neutral, but only to 1000 before it stabilises.

 

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Posted: Fri Mar 10, 2006 4:23 pm 
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data_mine wrote:
hornet wrote:
Mine just goes: lump lump lumpity lump lump lumpity lumpity lump :)

And damn I love it!


Yep, nice feeling/sound. Had to set my base idle to 950rpm though.

And at times taking it out of gear, it'll rev itself to 2800 sit there for a while then slowly come back down? WTF is with that?


Thats interesting. My car has the ISC blocked off so its not doing anything, but at times when I pull up at a stop sight or something, the car will rev up to 1100-1200 or so for about 5-6 seconds, then drop back down to idle at 750. It must be a fuel thing doing it, because the computer can't adjust the air. Its very interesting.

 

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Posted: Fri Mar 10, 2006 4:42 pm 
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This is going to be interesting... I've got a stage 2 RPD/ALTED cam and springs going into my stock auto EL wagon on sunday. Wonder how mine will idle hehehe
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