cam question

NotchJohnson · 10-04-2001, 02:27 PM

I am building a carbed 331 with twisted wedge heads and srp flat tops. Ive heard some great things about the trick flow cams, especially when used with tw heads.The tw heads are said to not need fly-cut pistons with cams up to 290 degrees duration.In the summit catalog, the cam i would get is a 574/595 lift, but there are two listings for duration. Duration at .050" and adertised duration? The advertised is 298/310 and the other says 236/248. Will this cam work with the heads without fly-cutting? Can someone clear this up? Thanks, John

Unit 5302 · 10-04-2001, 07:34 PM

Hmmm.. I thought I remember somebody posting up to .540 lift at 290* duration.

In other words, I think you're gonna have to flycut. I'm sure one of the TFS guys can answer this.

PKRWUD · 10-04-2001, 08:41 PM

First off, no. That cam won't work without flycutting.

Unit-
it all depends on who answers the phone at TF. The general concensus is no more than .545", but some guys will tell you less.

Take care
~Chris

------------------
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MustangNet

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NotchJohnson · 10-04-2001, 11:23 PM

Thanks guys, guess im just gonna have to cut 'em. John

Unit 5302 · 10-05-2001, 07:00 PM

Heh, .540, .545, if I was investing the cash I'd be claying and playing if I was anywhere near those numbers. Even at .530.

PKRWUD · 10-07-2001, 04:28 AM

I agree. Clay is the only way to know for sure. .545" seems to work, but if it was my money, I'd be sure.

Take care
~Chris

------------------
Retired Moderator
MustangNet

My site: JimPorterRacing

RACECAR spelled backwards is RACECAR

HEY !!! Are you ASE Certified ??? If you are, ask me about iATN. The best tool you'll ever have, and it's free !!!

10-04-2001, 02:27 PM	#1
NotchJohnson Registered Member Join Date: Oct 2001 Location: Florida Keys Posts: 593	cam question I am building a carbed 331 with twisted wedge heads and srp flat tops. Ive heard some great things about the trick flow cams, especially when used with tw heads.The tw heads are said to not need fly-cut pistons with cams up to 290 degrees duration.In the summit catalog, the cam i would get is a 574/595 lift, but there are two listings for duration. Duration at .050" and adertised duration? The advertised is 298/310 and the other says 236/248. Will this cam work with the heads without fly-cutting? Can someone clear this up? Thanks, John

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10-04-2001, 07:34 PM	#2
Unit 5302 Registered Member Join Date: May 1999 Posts: 5,246	Hmmm.. I thought I remember somebody posting up to .540 lift at 290* duration. In other words, I think you're gonna have to flycut. I'm sure one of the TFS guys can answer this.

10-04-2001, 08:41 PM	#3
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	First off, no. That cam won't work without flycutting. Unit- it all depends on who answers the phone at TF. The general concensus is no more than .545", but some guys will tell you less. Take care ~Chris ------------------ Retired Moderator MustangNet My site: JimPorterRacing RACECAR spelled backwards is RACECAR HEY !!! Are you ASE Certified ??? If you are, ask me about iATN. The best tool you'll ever have, and it's free !!!

10-04-2001, 11:23 PM	#4
NotchJohnson Registered Member Join Date: Oct 2001 Location: Florida Keys Posts: 593	Thanks guys, guess im just gonna have to cut 'em. John

10-05-2001, 07:00 PM	#5
Unit 5302 Registered Member Join Date: May 1999 Posts: 5,246	Heh, .540, .545, if I was investing the cash I'd be claying and playing if I was anywhere near those numbers. Even at .530.

10-07-2001, 04:28 AM	#6
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	I agree. Clay is the only way to know for sure. .545" seems to work, but if it was my money, I'd be sure. Take care ~Chris ------------------ Retired Moderator MustangNet My site: JimPorterRacing RACECAR spelled backwards is RACECAR HEY !!! Are you ASE Certified ??? If you are, ask me about iATN. The best tool you'll ever have, and it's free !!!