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ba xr6 3.7 or 3.9 

 

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 Post subject: ba xr6 3.7 or 3.9
Posted: Tue Jan 29, 2013 8:49 pm 
Fordmods Newbie
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Joined: 24th Feb 2012

Location: port kennedy
WA, Australia

Hey guys
im not sure if i wanna put a lsd with 3.7 or 3.9 gears in, its a daily drive
i will be putting a cam in to

its for a BA XR6 mkII auto
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 Post subject: Re: ba xr6 3.7 or 3.9
Posted: Tue Jan 29, 2013 10:41 pm 
Getting Side Ways
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Age: 30

Posts: 1507

Joined: 14th Aug 2009

Gallery: 12 images

Ride: BA XT V8

Location: Gosnells, Perth
WA, Australia

ba xr6 will already have 3.46:1 gearing in the a$$.

3.7 wont be enough to justify the swap.

go either 3.9 or 4.10.

 

_________________

BA XT V8. Ice Mint. 18" Speedys. XR6T LSD. Full Pacemaker twin 2 1/2inch Stainless Steel system. Custom CAI. Black XR interior with white trimming. Powerbond underdrive kit 25%.
13.65@102mph. 2800 hi-Stall.
230RWKW@5250 rpm. 625NM.

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 Post subject: Re: ba xr6 3.7 or 3.9
Posted: Wed Jan 30, 2013 12:08 am 
Fordmods Newbie
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Posts: 11

Joined: 24th Feb 2012

Location: port kennedy
WA, Australia

Benny d
Hows the underdive pulley going for ya
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 Post subject: Re: ba xr6 3.7 or 3.9
Posted: Wed Jan 30, 2013 12:55 am 
Getting Side Ways
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Age: 30

Posts: 1507

Joined: 14th Aug 2009

Gallery: 12 images

Ride: BA XT V8

Location: Gosnells, Perth
WA, Australia

great, would recommend them.
they allow the motor to spin up easyer/faster. as there is less load being sapped away at the front of the crank.
more out the back.

 

_________________

BA XT V8. Ice Mint. 18" Speedys. XR6T LSD. Full Pacemaker twin 2 1/2inch Stainless Steel system. Custom CAI. Black XR interior with white trimming. Powerbond underdrive kit 25%.
13.65@102mph. 2800 hi-Stall.
230RWKW@5250 rpm. 625NM.

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