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 Post subject: Too much advance?
PostPosted: Sat Oct 06, 2007 8:23 pm 
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EFI Slant 6
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Joined: Sat Oct 07, 2006 10:29 am
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Location: Tennessee
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Instead of describing my question with needless rantings that cover a whole page, I'll post a simple open-ended question:

What is the effect on a motor if the cam is advanced too much?
I'll bet a slanter here has some "educated" knowledge about this... :D

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225 Cubic Inches of Iron-Head American Muscle

225 bored .040 /.100 off block, Schneider Cam 224@.050~ .480 lift - Stock valves, blended bowls, Offenhauser intake with 500 Edelbrock carb


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 Post subject:
PostPosted: Sat Oct 06, 2007 9:08 pm 
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Location: Park Forest, Illinoisy
Car Model: 68 Valiant
Lots of power down low and runs out of wind around 4000 or so. :D

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 Post subject: adv
PostPosted: Sun Oct 07, 2007 3:44 am 
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Turbo EFI

Joined: Tue May 17, 2005 4:26 pm
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Location: CBS Newfoundland Canada
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i second that ,i have run cams as much as 8degs each way and when advanced to much you have good grunt down low but the mph falls of :)


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 Post subject:
PostPosted: Sun Oct 07, 2007 8:00 am 
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EFI Slant 6
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Location: Tennessee
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Well, I asked because I run out of steam at about 70 mph. I advanced the cam 1 whole tooth. (About 15*) :shock:
Massive 4x4-like torque, but no road speed. Should I put it back a tooth?? Would I accelerate any faster? I'm thinking that with that much advance, Im running out of the powerband by about 2500. :shock:
Opinions? Suggestions?

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225 Cubic Inches of Iron-Head American Muscle

225 bored .040 /.100 off block, Schneider Cam 224@.050~ .480 lift - Stock valves, blended bowls, Offenhauser intake with 500 Edelbrock carb


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 Post subject:
PostPosted: Sun Oct 07, 2007 9:02 am 
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Guru
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Joined: Sat Oct 12, 2002 11:22 am
Posts: 3740
Location: Sonoma, Calif.
Car Model: Many Darts and a Dacuda
Quote:
...Opinions? Suggestions?
Do you have a degree wheel. (you can print one off the internet)

Degree the cam, advance it 6 degrees from "split overlap" if you want low-end power.
DD


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