Ford 9" ratio's

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Ford 9" ratio's

Post  Imperfection on Mon 16 Sep 2013, 9:39 am

Whats a good ratio for a 9" for street use its behind a 5ltr with a T400.At this time its running a 411 and its to low 140ks = 80 kph road speed to slow but it lights the tyres up good.LOL
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Re: Ford 9" ratio's

Post  panoz78 on Mon 16 Sep 2013, 12:23 pm

What diameter /tyre size James ,as this can make a difference to the final ratio .
An average ratio would be around 3.0s--3.5s say with 14-15 inch rims . 3.25s would
be a good happy medium between the two...
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Re: Ford 9" ratio's

Post  The Zodiac on Mon 16 Sep 2013, 1:01 pm

3:1 or 3.25:1 would be good streetable ratios depending on what you want to use the van for?

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Re: Ford 9" ratio's

Post  Jonny James on Mon 16 Sep 2013, 2:20 pm

Yep 3.25:1 worked good in the HK in third gear of the turbo 700 (1.1)

4th gear at 100km/h it could have been 3.5:1 with the overdrive.

That was with a 265/50R14 tyre.

Cheers Jon
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Re: Ford 9" ratio's

Post  Imperfection on Mon 16 Sep 2013, 6:56 pm

Sorry JJ its not that cool Shocked  Its a Hiace van Laughing.is he allowed to join the club with it ????What a Face  
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Re: Ford 9" ratio's

Post  big rob on Tue 17 Sep 2013, 6:57 pm

A Hi Ace with a 308/Turbo 400!?! affraid 

He's worthy! bounce 

Oh yeah.... 3.0 to about 3.25 should be in the ballpark. burnout 
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