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 Post subject: Future Diff swap to 3.27
PostPosted: Wed Aug 01, 2018 6:49 am 
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Location: Wisconsin
Hey the information on here from other members swaps is great. Planning on doing this mid August over a weekend.

I'm looking for
Hints/tips
Parts I should order (besides outer axle seal - possibly center support and of course bushing upgrades)
Recommendation for email tune
Is a tunnel brace worth the cost?
Anything else that could aide me

All is appreciated thanks guys.


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PostPosted: Wed Aug 01, 2018 5:47 pm 
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You have a factory tunnel brace, I bought the BMR one and while it looks impressive I could feel no difference in the cars rigidity.


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PostPosted: Wed Aug 01, 2018 5:49 pm 
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Thanks that's what I was looking for. I'll invest in a different suspension part then.

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PostPosted: Wed Aug 01, 2018 8:06 pm 
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Location: Pearland, Texas
how much 'slop' do you have in the pinion? I mean how much can you turn it before you feel it starts spinning the ring gear? Then, how much before you feel it roll the ring gear back the other way?

You going to do a WIP in the member builds area?

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PostPosted: Wed Aug 01, 2018 8:18 pm 
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I don't even know if I have any slop to be honest. I thought it would be a good idea to change the center support and I'm doing the diff upgrade for obvious reasons. Haven't had time to jack it up and test it out I probably won't until mid August weekend.

I could take some pictures along the way, especially if it helps out other members.

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PostPosted: Wed Aug 01, 2018 9:47 pm 
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Fudgehog wrote:
I don't even know if I have any slop to be honest. I thought it would be a good idea to change the center support and I'm doing the diff upgrade for obvious reasons. Haven't had time to jack it up and test it out I probably won't until mid August weekend.


I was talking about the 3.27 diff. Thanks.


Fudgehog wrote:
I could take some pictures along the way, especially if it helps out other members.


I don't think it can hurt at all. We have some good WIPs for diff swaps on this forum, but it seems like just about every car is a bit different, so 'living vicariously' through your WIP can't be a bad thing. :mrgreen:

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Gene Beaird,
Pearland, Texas
2012 Caprice 9C1
1992 B4C 1LE Camaro
2010 Tahoe PPV (her car)
1995 DGGM Impala SS
1996 BBB Impala SS (11-second DD)
1985 Firebird - 310 LS1 C Prepared autocross car.
And some others
Do YOU have my SPID?


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PostPosted: Wed Aug 01, 2018 9:58 pm 
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I can let you know how the gears feel when I get it delivered lol. Off like a 50,000 mile or so Camaro. Definitely can't wait to see it but judging by the pictures it looks good.

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PostPosted: Thu Aug 02, 2018 2:22 pm 
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Location: Pearland, Texas
Cool. I ask because I have a 3.27 that came out of a low-mile Camaro, but spent some time under a low-mile G8. I haven't compared the lash in the 3.27 with that on the factory diff under the car now, but it seems a bit excessive to me. I'll compare when (if) I ever get time to get the new exhaust under the car.

I'll still probably get the 3.27 gone through, just because it's out of the car. It does turn smoothly, it just seems a bit loose.

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Gene Beaird,
Pearland, Texas
2012 Caprice 9C1
1992 B4C 1LE Camaro
2010 Tahoe PPV (her car)
1995 DGGM Impala SS
1996 BBB Impala SS (11-second DD)
1985 Firebird - 310 LS1 C Prepared autocross car.
And some others
Do YOU have my SPID?


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PostPosted: Thu Aug 02, 2018 3:42 pm 
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Just got it delivered. Between moving the pinion left and right there's no play for me.

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PostPosted: Thu Aug 02, 2018 6:44 pm 
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Location: Pearland, Texas
Sigh. That was what I was afraid of.

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Gene Beaird,
Pearland, Texas
2012 Caprice 9C1
1992 B4C 1LE Camaro
2010 Tahoe PPV (her car)
1995 DGGM Impala SS
1996 BBB Impala SS (11-second DD)
1985 Firebird - 310 LS1 C Prepared autocross car.
And some others
Do YOU have my SPID?


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