Surging prob. in m-6
Thread Starter
Staging Lane
Joined: Dec 2001
Posts: 78
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From: SW Florida
Surging prob. in m-6 I recently put in a c1 cam and it seems to surge in any gear under 1500 rpm while not accelerating. Is this normal without tuning, and stock heads?
<small>[ July 29, 2002, 06:09 PM: Message edited by: tigertat ]</small>
<small>[ July 29, 2002, 06:09 PM: Message edited by: tigertat ]</small>
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Joined: Nov 2001
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From: Henderson, NV
Re: Surging prob. in m-6 im not experienced enought to know, but from what i have learned i think the guys will want to know you lobe seperation, then ill read... <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
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Joined: Nov 2001
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From: Henderson, NV
Re: Surging prob. in m-6 </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by tigertat:
<strong>the c1 cam is a 222/222 .566/.566 @ 112lsa for those who dont know.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Ahh yes sorry, i just know it as the hammer cam. But, yes. Have you drilled the throttle body blade? If you haven't, try that, it will allow more flow of air at idle.
<strong>the c1 cam is a 222/222 .566/.566 @ 112lsa for those who dont know.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Ahh yes sorry, i just know it as the hammer cam. But, yes. Have you drilled the throttle body blade? If you haven't, try that, it will allow more flow of air at idle.
Thread Starter
Staging Lane
Joined: Dec 2001
Posts: 78
Likes: 0
From: SW Florida
Re: Surging prob. in m-6 thanks, and no I haven't drilled the blade. I dont have a problem with the idle at all, just when crusing below 1500 rpm is all(1500 or above and its fine).
Re: Surging prob. in m-6 does it "jerk"? Under 1500 my hotcam will give ya an annoying ride sometimes with out accelerating, lol...just give it constant gas and get her over 1500...
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TECH Fanatic
Joined: Nov 2001
Posts: 1,347
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From: Freeland, MD
Re: Surging prob. in m-6 Yup - that can be pretty normal. Sometimes it can best be described as bucking - car surges forward then stops then surges forward then stops and does it pretty rapidly.
You can do some minor mods to help with it, but is best to keep revs out of that zone.
You can do some minor mods to help with it, but is best to keep revs out of that zone.
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TECH Fanatic
Joined: Nov 2001
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From: Freeland, MD
Re: Surging prob. in m-6 </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by tigertat:
<strong>Weather guy - what are some of these minor mods that you mentioned?</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">What tbone said - drill out the TB plate. Also, you can port the TB, and raise the idle a little with LS1Edit or similar. Otherwise, it comes with the territory of a big cam.
Now, go wind out that cam and see why you got it <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
<strong>Weather guy - what are some of these minor mods that you mentioned?</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">What tbone said - drill out the TB plate. Also, you can port the TB, and raise the idle a little with LS1Edit or similar. Otherwise, it comes with the territory of a big cam.
Now, go wind out that cam and see why you got it <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
Thread Starter
Staging Lane
Joined: Dec 2001
Posts: 78
Likes: 0
From: SW Florida
Re: Surging prob. in m-6 Thanks guys, I thought that was common but just needed some reasureance. Any sudj. on how big to go with the hole? I did port the TB btw. I will wind the **** out of it once I get the time to reset the rev limiter. Am I correct in saying that it should be shifted at 6500?
-Mike
-Mike