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beerjet

  • Karma: +81/-0
Re: Project mill
« Reply #25 on: February 08, 2009, 04:12:43 PM »
What cc are the intake runners ???

-beerjet-
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Quote from: Ralph Brunt on July 09, 2009, 08:36:19 PM
i dont but im all for stuffin shit in her ass to make her go away :-*

Luckie Stiff

  • Karma: +29/-0
Re: Project mill
« Reply #26 on: February 08, 2009, 04:34:45 PM »
Quote from: beerjet on February 08, 2009, 04:12:43 PM
What cc are the intake runners ???

-beerjet-

325CC give or take a few CC
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"Don't you realize that there are already enough people in the world to hate without you putting so much effort into giving me another?"

beerjet

  • Karma: +81/-0
Re: Project mill
« Reply #27 on: February 08, 2009, 04:38:33 PM »
Quote from: Luckie Stiff on February 08, 2009, 04:34:45 PM
325CC give or take a few CC
I was hoping for that at the very least.

I hope your right.  :-\

-beerjet-
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Quote from: Ralph Brunt on July 09, 2009, 08:36:19 PM
i dont but im all for stuffin shit in her ass to make her go away :-*

Luckie Stiff

  • Karma: +29/-0
Re: Project mill
« Reply #28 on: February 08, 2009, 04:40:01 PM »
How dare you doubt me!  :mad:

HAHA, I believe I'm correct my ninja.
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"Don't you realize that there are already enough people in the world to hate without you putting so much effort into giving me another?"

beerjet

  • Karma: +81/-0
Re: Project mill
« Reply #29 on: February 08, 2009, 04:45:49 PM »
Quote from: Luckie Stiff on February 08, 2009, 04:40:01 PM
How dare you doubt me!  :mad:

HAHA, I believe I'm correct my ninja.

 :D I believe you ! I believe you !

I've never found any reference to the runner cc's on the 990's so whatever those were, I knew the 088's would be the same being the replacements.

-beerjet-
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Quote from: Ralph Brunt on July 09, 2009, 08:36:19 PM
i dont but im all for stuffin shit in her ass to make her go away :-*

GT Jets

  • Karma: +192/-0
Re: Project mill
« Reply #30 on: February 08, 2009, 04:47:07 PM »
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  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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Quote from: Brad @ SoCalJetBoats.com on December 22, 2009, 07:40:31 PM
If i get some free time tonight at work, ill play with it and post it for everyone to see.

Quote from: IRRebel on June 11, 2011, 07:30:45 PM
Time to man up and yank it John!  :banghead:
Ray

Luckie Stiff

  • Karma: +29/-0
Re: Project mill
« Reply #31 on: February 08, 2009, 04:52:30 PM »
From what I've read, and I could be wrong, 990's are great heads for a factory iron head BUT they really don't start making their power until 6500 RPM or so, that being said, a set of 781 oval ports are a good choice for a jet boat, at least that's what I got from it.
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"Don't you realize that there are already enough people in the world to hate without you putting so much effort into giving me another?"

BOOST

  • Karma: +25/-0
Re: Project mill
« Reply #32 on: February 08, 2009, 05:00:40 PM »
More money on new heads :banghead: hell big are you going on this Omar?
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beerjet

  • Karma: +81/-0
Re: Project mill
« Reply #33 on: February 08, 2009, 05:04:13 PM »
Quote from: GT Jets on February 08, 2009, 04:47:07 PM
Buy a cc'ing kit and check it out!

http://store.summitracing.com/partdetail.asp?autofilter=1&part=CCA%2D4975&N=700+4294925139+4294925138+4294859801+115&autoview=sku

GT

You know Glen.
I thought about it.
I remember a science assignment in elementary where we had to figure out the volume of random objects using the same method.
It would just kill me to ruin a perfectly good set of heads.
It's not like I want to do some serious grinding on it anyways, just smooth it out a bit.
I just dont want to screw it up.

-beerjet-
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Quote from: Ralph Brunt on July 09, 2009, 08:36:19 PM
i dont but im all for stuffin shit in her ass to make her go away :-*

beerjet

  • Karma: +81/-0
Re: Project mill
« Reply #34 on: February 08, 2009, 05:06:31 PM »
Quote from: boost on February 08, 2009, 05:00:40 PM
More money on new heads :banghead: hell big are you going on this Omar?



-beerjet-
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Quote from: Ralph Brunt on July 09, 2009, 08:36:19 PM
i dont but im all for stuffin shit in her ass to make her go away :-*

spectra 81

  • Karma: +0/-0
Re: Project mill
« Reply #35 on: February 08, 2009, 10:51:18 PM »
Omar ,hows it going? You know there's tons of motors running those heads and alot of them run very well. Do some research on builds using those heads that will def help you make your choice of cam /intake which you ALREADY KNOW is more important to overall performance. I have a set of 781 if you want them but than i think you have headgasket sealing issues with the gen 6 block could be wrong on that though. puttin a buch of shit for -sale in classifieds if you know some one thats wants something buzz me PS raining like hell right now
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beerjet

  • Karma: +81/-0
Re: Project mill
« Reply #36 on: February 09, 2009, 03:52:43 AM »
Quote from: spectra 81 on February 08, 2009, 10:51:18 PM
Omar ,hows it going? You know there's tons of motors running those heads and alot of them run very well. Do some research on builds using those heads that will def help you make your choice of cam /intake which you ALREADY KNOW is more important to overall performance. I have a set of 781 if you want them but than i think you have headgasket sealing issues with the gen 6 block could be wrong on that though. puttin a buch of shit for -sale in classifieds if you know some one thats wants something buzz me PS raining like hell right now

Thanks Greg .
These heads are really close to what I want from the aftermarket anyways.
I might have chosen a larger port just in case c.i.d. limit goes up but these should support quite a bit right where I'm at.
I just want to build something stout.
We'll see what all this Chevy iron can do  :D

-beerjet-
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Quote from: Ralph Brunt on July 09, 2009, 08:36:19 PM
i dont but im all for stuffin shit in her ass to make her go away :-*

povertyjet

  • Karma: +1/-0
Re: Project mill
« Reply #37 on: February 09, 2009, 04:57:00 AM »
Ya can't put Mk IV 781 heads on a Gen VI block.  I think iron heads & manifolds are the best choice for boats vs aluminum anyways. 

The expansion/contraction rates are the same as the block.
No corrosion issues of aluminum.
they run cooler than aluminum.

and the best reason is......


they are cheaper!!!!!

p-jet
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  • Boat #1: '73 Kona
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[smg id=6256]
I'll keep my freedom, my money and my guns...you keep the "change"
U.S. out of the United Nations, support HR2202, reinstate prop 187, waterboard all of them!!!
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