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408/F1-C Vette

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Old 01-25-2009, 03:35 PM
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Default 408/F1-C Vette

This has evolved, changed directions, and snowballed since it's beginning. Now twin turbos.

6.0 based 408c.i. with 245cc Trickflows and F1-C. <-original plan

I'll keep this updated as things progress.

9:5:1 compression 408c.i.
Custom sheetmetal intake
TFS 245s
242/248 cam XFI lobes
Twin TC76 turboniums
Powerglide conversion
Built diff
1000hp halfshafts
AMS1000

Last edited by El_Diablo; 09-19-2010 at 07:24 AM.
Old 01-25-2009, 03:56 PM
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Mine made 780 rwhp on pump gas with a mild tune.

Thats with out of the box l92's with good springs.
Old 01-25-2009, 03:58 PM
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Interesting! How are the L92 compared to the stage III 317s?
Old 01-25-2009, 04:08 PM
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Im interested as well. I might be doing a F-1C on my 402 here in a couple of months.
Old 01-25-2009, 04:20 PM
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Originally Posted by El_Diablo
Interesting! How are the L92 compared to the stage III 317s?
Can't tell ya...I'm not familiar with those.
Old 01-25-2009, 04:26 PM
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the stage III 317s are supposed to flow 320ish cfm at .600 or .650 I believe. 2.08/1.60 valves and 72cc
Old 01-25-2009, 04:58 PM
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Originally Posted by El_Diablo
the stage III 317s are supposed to flow 320ish cfm at .600 or .650 I believe. 2.08/1.60 valves and 72cc
My l92's just had some port work & a new set on Manleys done & I will be flowed this week. I'll let ya know the numbers.
Old 01-25-2009, 05:14 PM
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thanks man
Old 01-25-2009, 05:28 PM
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Awesome!!
Old 01-25-2009, 11:10 PM
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Haha, Reza. You were part of my motivation to do such things.
Old 01-26-2009, 04:15 AM
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The Patriot LQ9 Stage 3 heads would be a great way to go for the price you said you can get a set for. The Patriot Gold valvesprings that come with these heads are some of the most popular valvesprings on the market. These valvesprings are good for .650 lift. Bob
Old 01-26-2009, 04:42 AM
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I backed out on the stage 3 lq9 heads I was looking at. Anyone else have a set?
Old 01-26-2009, 04:46 AM
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Originally Posted by Exotic Performance Plus
The Patriot LQ9 Stage 3 heads would be a great way to go for the price you said you can get a set for. The Patriot Gold valvesprings that come with these heads are some of the most popular valvesprings on the market. These valvesprings are good for .650 lift. Bob
I'll be giving you a call for the blower in June. I'd have it done now but the engine install was really an opportunity I couldn't turn down so I'm going to break it in N/A and then get my hands dirty with the blower when I get home this summer.
Old 01-26-2009, 04:53 AM
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Originally Posted by El_Diablo
I'll be giving you a call for the blower in June. I'd have it done now but the engine install was really an opportunity I couldn't turn down so I'm going to break it in N/A and then get my hands dirty with the blower when I get home this summer.
Sounds good, I can also make you a great deal on a set of Patriot heads. Give us a call if you're interested. 260 244-4808. Thanks. Bob
Old 01-26-2009, 08:39 AM
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If that's what I decide to go with, I will give you a shout. Thanks!
Old 01-26-2009, 08:32 PM
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Originally Posted by El_Diablo
Haha, Reza. You were part of my motivation to do such things.
Ha, I'm honored! I can't wait to see it put together. I heard about the motor, should be pretty wicked!
Old 01-26-2009, 08:35 PM
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Sweet I heard about this deal. Not specifics though! I can't wait to see this!
Old 01-26-2009, 11:39 PM
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We can discuss it at length here guys. I just prefer to keep it off the local board.
Old 01-27-2009, 02:48 AM
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Let's talk about Cam selection:

9:5:1 compression 408c.i. LS6 intake, 245cc TFS heads (70cc comb. chamber) F1-C, LG Pro longtubes w/cats and borla stingers, 3200 converter and 3.42s. The car is a full weight true street car. An honest real street driven, pump gas car that will only see 6500-6800 rpms a handful of times. I'm going to set the limiter at 6800. I'd like decent street manners but I do like a rowdy cam.

Last edited by El_Diablo; 01-28-2009 at 01:42 AM.
Old 01-28-2009, 01:43 AM
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To the top, all engine specs are set in stone..just need a cam.

If you're wondering, "Why the ls6 intake and 1 3/4 headers?" It's because I already have them and I don't want to spend anymore on new ones.

Last edited by El_Diablo; 01-28-2009 at 01:52 AM.


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