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FAST or Cam, which first?

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Old Aug 5, 2008 | 10:53 PM
  #21  
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Originally Posted by Joe_G
That's exactly why I went back to stock mufflers and cutouts!!
haha, I might end up doing that as well... I just wished I could keep the tips... I hate the stock vette tips.
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Old Aug 5, 2008 | 10:56 PM
  #22  
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Originally Posted by Joe_G
Here's a benefit no FAST will give you...

G5x3

Joe your tried and proven g5x3 just sounds great. All you need is a ported fast and you will easily make 450 +. I know im going to a cam soon and it will be in there to stay. Weather I get another fast will depend if and when they come out with one for the l92 heads. Leon
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Old Aug 5, 2008 | 11:00 PM
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Originally Posted by LSCHLEM
Bunk, I think 450 HP would be a faitly easy targer for you. You got good bolton base numbers to start with. The only thing that comes into my mind is the fact that you have the 1.85 rockers and you are anticipating on going th a cam with 612 lift Im sure you thaught of this
and it may be a problem. Maybe you are putting the stock 1.7's back
on when you make the cam swap. The porting of your fast will be that much better with your new cam. I do wish you the best of luck with it.

" and thats no bunk " Leon
Actually got myself a set of Harland Sharp 1.7 rockers. Hard part is selling the 1.85 rockers and springs. I might have a buyer and if so, might go ahead and have my FAST ported same time. Problem is, won't see the before and after gains.
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Old Aug 5, 2008 | 11:01 PM
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Originally Posted by LSCHLEM
Joe your tried and proven g5x3 just sounds great. All you need is a ported fast and you will easily make 450 +. I know im going to a cam soon and it will be in there to stay. Weather I get another fast will depend if and when they come out with one for the l92 heads. Leon
Thanks Leon! I never get tired of it. I drive it every day and every day I smile when I hear it idling.

I'm prowling for a FAST. Had a line on one from a friend but that fell through.
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Old Aug 5, 2008 | 11:09 PM
  #25  
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Originally Posted by Joe_G
Thanks Leon! I never get tired of it. I drive it every day and every day I smile when I hear it idling.

I'm prowling for a FAST. Had a line on one from a friend but that fell through.
What exhaust did you have before you went back to stock? and how unbareable was it? I used to have an SS with H/C, gears, and it was with headers, no cats, and downpipes... It was pretty ridiculous, but I loved it and kept it that way. Although, I am kinda worried about how the cam is gunna sound with the bullets... hopefully I will like it, alot!

The cam on the SS wasn't as big as the G6.
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Old Aug 6, 2008 | 10:22 AM
  #26  
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Originally Posted by Bad06vette
What exhaust did you have before you went back to stock? and how unbareable was it? I used to have an SS with H/C, gears, and it was with headers, no cats, and downpipes... It was pretty ridiculous, but I loved it and kept it that way. Although, I am kinda worried about how the cam is gunna sound with the bullets... hopefully I will like it, alot!

The cam on the SS wasn't as big as the G6.
I had Borla Stingers on my C5 - that was outrageous with the cam, much like your B&B I think. Way too much for me.

I had Magnaflow 14336 mufflers on my C6, they were a bad choice from day one. Too quiet at idle and WOT but a terrible drone at 60 mph.

Stock with cutouts is my favorite. My buddy put on NPP - it's a great choice too. I personally like the sound of the turndowns of the cutouts better than the NPP sound, but that's a personal preference, both are good. The cutouts are cheaper, but you have to figure in replacing the motors about once a year ($35 and 3 bolts, easy to do).
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Old Aug 6, 2008 | 10:30 AM
  #27  
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sounds great Joe, but the sound of the fast in the drivers compartment sounds good toojust kidding
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Old Aug 6, 2008 | 12:35 PM
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Here are my results from the FAST install on my 05...

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Old Aug 6, 2008 | 01:55 PM
  #29  
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Originally Posted by xstang
Here are my results from the FAST install on my 05...

Nice numbers. Is your Fast ported or stock?
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Old Aug 6, 2008 | 02:34 PM
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Originally Posted by BOB EAGAN
Nice numbers. Is your Fast ported or stock?
Stock....
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Old Aug 6, 2008 | 07:11 PM
  #31  
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Default Fast

Originally Posted by xstang
Stock....
Getting 410"s Monday and a Fast is next. Your gains are impressive. How did it affect your performance?
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Old Aug 6, 2008 | 07:34 PM
  #32  
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Originally Posted by BOB EAGAN
Getting 410"s Monday and a Fast is next. Your gains are impressive. How did it affect your performance?
My gains were about the same as headers..... Basically like adding headers all over again. It will pull alot harder on the top end!
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Old Aug 6, 2008 | 09:19 PM
  #33  
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Originally Posted by xstang
My gains were about the same as headers..... Basically like adding headers all over again. It will pull alot harder on the top end!
I can hardly wait. Thanks for the response.
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Old Aug 7, 2008 | 12:20 AM
  #34  
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Originally Posted by xstang
Here are my results from the FAST install on my 05...
Xstang, are those numbers (446/415) with a ported FAST only? It's not that I doubt you, but those numbers seem pretty high with a FAST only. Any other mods? Also, I'm guessing it's an MN6, is that right?

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Old Aug 7, 2008 | 06:47 AM
  #35  
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Originally Posted by A-Pex
Xstang, are those numbers (446/415) with a ported FAST only? It's not that I doubt you, but those numbers seem pretty high with a FAST only. Any other mods? Also, I'm guessing it's an MN6, is that right?


The gains were from a unported fast with tuning... The car was leaned up 1 pont as well, but I gained 24\28 with that one bolt on...
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Old Aug 7, 2008 | 08:47 AM
  #36  
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Originally Posted by A-Pex
Xstang, are those numbers (446/415) with a ported FAST only? It's not that I doubt you, but those numbers seem pretty high with a FAST only. Any other mods? Also, I'm guessing it's an MN6, is that right?

His profile shows an 08 a6 z51 with boltons.
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Old Aug 7, 2008 | 09:41 AM
  #37  
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Originally Posted by BOB EAGAN
His profile shows an 08 a6 z51 with boltons.
That dyno was with his old LS2 though.
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To FAST or Cam, which first?

Old Aug 7, 2008 | 09:52 AM
  #38  
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Originally Posted by bunk22
That dyno was with his old LS2 though.
Thanks. I didn't catch that. Judging from the numbers, must be boltons,Fast, and a cam with stock heads. Close? I like the results Forum members are getting. It will be my next mod.
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Old Aug 7, 2008 | 10:43 AM
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Originally Posted by xstang
The gains were from a unported fast with tuning... The car was leaned up 1 pont as well, but I gained 24\28 with that one bolt on...
Gotcha 24/28 sems to be about right for the FAST. You mentioned it was "like adding headers all over again." Does that mean the 446/415 numbers was with FAST & Headers with a Tune?

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Old Aug 7, 2008 | 10:48 AM
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Originally Posted by A-Pex
Gotcha 24/28 sems to be about right for the FAST. You mentioned it was "like adding headers all over again." Does that mean the 446/415 numbers was with FAST & Headers with a Tune?

xstang's 05 was heads and cam IIRC. He ran some pretty good times with it, here's his record on the c6 FAST list and the post reference to that thread.

http://forums.corvetteforum.com/show...post1566590825

11.80 @ 123.50 - Xstang - 05 Z51 M6 - CAI, 3.90, H&C, hdrs, tune, DR - (1178)
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