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04-17-2008, 07:17 PM
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#1 (permalink)
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fastcoupe68
Join Date: Nov 2004
Posts: 80
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Clutch & Flywheel Recomendations?
I need some recomendations for my set up
68 coupe
427ci small block, should make somewhere north of 625hp n/a
R&C Front suspension w/coilovers
all calvert split leaf cal tracs and rancho shocks
top loader
The rotating assm is going off to be balanced and I need to get ideas on what flywheel and clutch set up to use. Its primarily going to be a strip car with very limited street use. Any and all recomendations would be greatly appreciated, Thanks
ken
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Today
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04-17-2008, 07:42 PM
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#2 (permalink)
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dennis111
Join Date: Dec 2004
Posts: 1,611
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Re: Clutch & Flywheel Recomendations?
Definitely spring for an SFI rated flywheel AND a scattershield. With a powerhouse like you are building, they are cheap insurance for you legs.
You shouldn't need the clutch and pressure plate for an engine balance. They should be balanced by the respective manufacturer.
With a primary strip car, look at either the Ram sintered disc setup or the McLeod soft lock. Either will handle your horsepower at the strip and can be driven on the street with a little practice.
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Dennis
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65' STANG (3330 lbs), 393W NA, Toploader 4 Spd, 4:11 TrueTrac, AFR 205's, Vic Jr. Intake, CI Custom SFT, 750dp, 11.0 CR
11.52@121.29mph
Last edited by dennis111 : 04-17-2008 at 07:44 PM.
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04-17-2008, 08:30 PM
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#3 (permalink)
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BIGJOE
Join Date: Apr 2005
Posts: 493
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Re: Clutch & Flywheel Recomendations?
NEVER trust the manufacturer when they say it is balanced. Have your own shop do it, and you will know it is right. Been there, done that.
JOE SHERMAN RACING ENGINES
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04-17-2008, 10:13 PM
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#4 (permalink)
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Is1BadFord
Join Date: Sep 2002
Posts: 803
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Re: Clutch & Flywheel Recomendations?
Quote:
Originally Posted by BIGJOE
NEVER trust the manufacturer when they say it is balanced. Have your own shop do it, and you will know it is right. Been there, done that.
JOE SHERMAN RACING ENGINES
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At minimum the pressure plate. I agree fully Joe.
I'm about to try out the ACT SFI chromoly flywheel. Slightly lighter than an aluminum, with more of the weight centered around the crank. I'll let you know how it works in about a month =).
Cris
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[CENTER][SIGPIC][/SIGPIC][/CENTER]
[CENTER][I][B][B][I][COLOR=black]~These are just some of the drawbacks we...as guys who like to go mach 10 with our hair on fire and these little motors screaming at rpms that make other guys cry...have to deal with.~[/COLOR][/I][/B][/B][/I][/CENTER]
[CENTER][I][B][U][COLOR=#22229c][URL="http://www.peteandersonracing.com"]www.peteandersonracing.com[/URL][/COLOR][/U][/B][/I][/CENTER]
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04-18-2008, 10:01 AM
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#5 (permalink)
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fastcoupe68
Join Date: Nov 2004
Posts: 80
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Re: Clutch & Flywheel Recomendations?
Everything is going to get balanced! So Aluminum flywheel or steel?
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04-18-2008, 11:23 AM
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#6 (permalink)
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sharpshot71
Join Date: Aug 2005
Posts: 1,595
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Re: Clutch & Flywheel Recomendations?
im no drag racer, i have no experience, so take this for what its worth, but i have heard that sometimes people have better luck with aluminum flywheels because they have less rotating mass, so you can launch at a higher RPM more into your powerband and it will be less likely to smoke the tires because of the lower rotating mass.
disclaimer, again, i have no experience, just what was mentioned on this site one time.
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04-18-2008, 11:41 AM
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#7 (permalink)
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Is1BadFord
Join Date: Sep 2002
Posts: 803
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Re: Clutch & Flywheel Recomendations?
Quote:
Originally Posted by sharpshot71
im no drag racer, i have no experience, so take this for what its worth, but i have heard that sometimes people have better luck with aluminum flywheels because they have less rotating mass, so you can launch at a higher RPM more into your powerband and it will be less likely to smoke the tires because of the lower rotating mass.
disclaimer, again, i have no experience, just what was mentioned on this site one time.
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Exactly.
The chromoly wheel I have is also very light, slightly lighter than an alloy flywheel. Same principle =).
Either one you choose will do well, as long as you keep the weight down. A standard billet wheel in the 25lb range is way, way too havey. In a light car like a 68 coupe, you'll need the lack of inertia on the launch.
Hope the helps!
Cris
______________________________________
[CENTER][SIGPIC][/SIGPIC][/CENTER]
[CENTER][I][B][B][I][COLOR=black]~These are just some of the drawbacks we...as guys who like to go mach 10 with our hair on fire and these little motors screaming at rpms that make other guys cry...have to deal with.~[/COLOR][/I][/B][/B][/I][/CENTER]
[CENTER][I][B][U][COLOR=#22229c][URL="http://www.peteandersonracing.com"]www.peteandersonracing.com[/URL][/COLOR][/U][/B][/I][/CENTER]
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04-18-2008, 03:12 PM
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#9 (permalink)
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fastcoupe68
Join Date: Nov 2004
Posts: 80
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Re: Clutch & Flywheel Recomendations?
Thanks guys for all the input
ken
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