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walshmotorsports

  • Karma: +0/-0
bbc cam choices...
« on: May 22, 2008, 04:16:06 AM »
  Just wondering what cams are the best bang for the buck on lets say the basic 454 pump gas single carb (750-850 cfm) through transom exhaust. Tough decission for me with log style exhaust, (new son in boat) very restrictive. I don't mind a good solid either. What are you running???
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hotrod56cars

  • Karma: +1/-8
Re: bbc cam choices...
« Reply #1 on: May 22, 2008, 01:15:18 PM »
Comp 280 and 292 are popular cams in jet boats.
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NO REGRET$ ... Arguing on the internet is like competing in the Special Olympics / no matter how good you do you're still retarded!!!!!

                                                          1978  19' Mach 1 Tunnel jet

2savage4you

  • Karma: +14/-1
Re: bbc cam choices...
« Reply #2 on: May 22, 2008, 01:17:25 PM »
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2savage4you

  • Karma: +14/-1
Re: bbc cam choices...
« Reply #3 on: May 22, 2008, 01:17:58 PM »
Oh ya welcome to socal ;)

2sav
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KonaCole

  • Karma: +1/-0
Re: bbc cam choices...
« Reply #4 on: May 22, 2008, 01:20:15 PM »
I have an olds with through trans. exhaust and went with the comp 280 because I was told that the duration on the 292 was a too much for not running headers.  It has a choppy idle, but nothing too crazy.
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I didn't do it... ok, it was me.

TJS Nordic

  • Karma: +2/-0
Re: bbc cam choices...
« Reply #5 on: May 22, 2008, 01:34:17 PM »
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hotrod56cars

  • Karma: +1/-8
Re: bbc cam choices...
« Reply #6 on: May 22, 2008, 02:40:35 PM »
Quote from: KonaCole on May 22, 2008, 01:20:15 PM
... I was told that the duration on the 292 was a too much for not running headers...

I can't figure this one out. There are no reversion problems with logs, only with headers.  ???

A 454, 10:1 compression, Comp 292, large oval port heads, all else correct = 500 HP on pump gas.
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Quote
NO REGRET$ ... Arguing on the internet is like competing in the Special Olympics / no matter how good you do you're still retarded!!!!!

                                                          1978  19' Mach 1 Tunnel jet

KonaCole

  • Karma: +1/-0
Re: bbc cam choices...
« Reply #7 on: May 22, 2008, 02:45:58 PM »
Quote from: hotrod56cars on May 22, 2008, 02:40:35 PM
I can't figure this one out. There are no reversion problems with logs, only with headers.  ???

A 454, 10:1 compression, Comp 292, large oval port heads, all else correct = 500 HP on pump gas.

It had to do with restriction of exhaust flow, but that could be bs.
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I didn't do it... ok, it was me.

pw_Tony

  • Karma: +12/-0
Re: bbc cam choices...
« Reply #8 on: May 22, 2008, 03:02:21 PM »
Big Cam + big carb= race motor  ;D
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Ralph Brunt

  • Karma: +51/-0
Re: bbc cam choices...
« Reply #9 on: May 22, 2008, 03:13:43 PM »
Quote from: pw_Tony on May 22, 2008, 03:02:21 PM
Big Cam + big carb= race motor  ;D
is that all it takes ??? if so i spent wayyyyy too much money
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CHEAP, FAST, RELIABLE...PICK 2 CANT HAVE ALL 3
Quote
They are all fukin tasty. My long time favorite, "Dirty Dicks -beerjet-
Quote from: IRRebel on February 16, 2010, 06:11:01 PM
Glasscutter, Skip, OC2  Nordie and many more nail me good every time, relentlessly, I love those guys!

pw_Tony

  • Karma: +12/-0
Re: bbc cam choices...
« Reply #10 on: May 22, 2008, 03:16:10 PM »
Quote from: Ralph Brunt on May 22, 2008, 03:13:43 PM
is that all it takes ??? if so i spent wayyyyy too much money
Yup, that's all, and maybe a super duper double throw me down phonic carb spacer
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Ralph Brunt

  • Karma: +51/-0
Re: bbc cam choices...
« Reply #11 on: May 22, 2008, 03:22:44 PM »
Quote from: pw_Tony on May 22, 2008, 03:16:10 PM
Yup, that's all, and maybe a super duper double throw me down phonic carb spacer
no wonder those damn chebbys are so fast :P
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CHEAP, FAST, RELIABLE...PICK 2 CANT HAVE ALL 3
Quote
They are all fukin tasty. My long time favorite, "Dirty Dicks -beerjet-
Quote from: IRRebel on February 16, 2010, 06:11:01 PM
Glasscutter, Skip, OC2  Nordie and many more nail me good every time, relentlessly, I love those guys!
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