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04-14-2006, 11:18 PM
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#11 |
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Friends
Join Date: Dec 2004
Location: Southern Colorado
Posts: 2,452
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Re: 4:10's or 4:30's
Personally I would go with 3.55's or 3.73's. In my opinion 3.55's are about the perfect gear for a mildly built 5.0
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04-15-2006, 12:39 AM
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#12 |
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Senior Member
Join Date: May 2005
Posts: 290
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Re: 4:10's or 4:30's
WHAT?!!?? I can't believe what I am hearing!! Have any of you guys ever run a 4.30 gear? It's really not that bad. I have a VERY hard time believing he owuld be out of gear by the 1/4. His mods don't put him at 115 on motor, so I would say he will be crossing the line in the sweet spot.
I ran them in my Mark with the TKO and almost the same combo as him (306, TFS heads, mild .540" lift cam, etc. etc.) and would trap 107-110 on motor at about 5500 in 4th with the 4.30's and about 5900 at 122-124 on the spray. 3.55's are OK for turbo cars!! |
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04-15-2006, 01:36 AM
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#13 |
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Senior Member
Join Date: Apr 2005
Posts: 895
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Re: 4:10's or 4:30's
hmmmm...4,30 gears here...not to steep.......... Go with 4.30 gears
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04-15-2006, 07:38 AM
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#14 | |
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Pr0j3ct P1mp T1t3, y0!
Join Date: Dec 2004
Location: Somewhere wondering why Crimson stole my avatar
Posts: 2,022
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Re: 4:10's or 4:30's
Quote:
 isnt alot of this decision going to be based on how high RPM he can turn? which isnt going to be no where near what yours is.  my car isnt even that fast and i cant imagine going with anything steeper than 3:73 for something that sees mostly street duty.
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04-15-2006, 08:43 AM
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#15 | |
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3v's are slow
Join Date: Dec 2004
Location: Here and There
Posts: 17,152
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Re: 4:10's or 4:30's
Quote:
4.10's in his application would be good but have to come out when the blower goes on. No I have never ran 4.30's in a pushrod motor. I do know that 4.30's would be great in a 4v cobra |
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04-15-2006, 09:19 AM
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#16 |
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Senior Member
Join Date: May 2005
Posts: 290
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Re: 4:10's or 4:30's
But he doesn't have spray or a charger right now. That's why I vote 4.30's.
Agreed, once the blower goes on, some 3.73's will need to go in. But until then.... Kick some ass with the deep cogs!!! 
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04-15-2006, 10:07 AM
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#17 |
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Member
Join Date: Apr 2006
Location: Tampa, FL
Posts: 50
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Re: 4:10's or 4:30's
the reason im not worried abotu a blower gear right now is that is probably 2-3 years away, so i want a sweet gear in this setup that i can really enjoy for those 2 years
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04-15-2006, 10:59 AM
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#18 |
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Junior Member
Join Date: Jul 2005
Posts: 28
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Re: 4:10's or 4:30's
If you're not going to spray it or run a blower or turbo, then I think you will like the 4.30s, cause it will leave like hell....LOL
When the 4.30s were in my car, I turned it 6200rpm in every gear, and it ran through the lights at roughly 6000rpm in 4th gear...it ran 114mph, with a 26x10.5/17 et street... |
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04-15-2006, 11:03 AM
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#19 |
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Junior Member
Join Date: Jul 2005
Posts: 28
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Re: 4:10's or 4:30's
oh, i forgot, my mods were 351w fuel injected, windsor jr. heads ported, .566" roller cam, trickflow R intake .
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04-15-2006, 11:32 AM
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#20 |
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Super Moderator
Join Date: Dec 2004
Posts: 6,313
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Re: 4:10's or 4:30's
For HCI street/strip cars:
3.73 to 4.10 for a 5-speed. 4.10 to 4.30 for an auto with a 3k stall converter.
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