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johnny46
- POC Jr. Poster
- Posts: 132
- Joined: Sun Mar 11, 2012 11:03 am
- Membership No: 14-F402
- Year: 1977
- Model: Trans am Firebird
- Engine: 400
- Name: Johnny walker
- Location: Crewe Cheshire
- Location: Crewe Cheshire
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by johnny46 » Tue Aug 12, 2014 10:46 pm
Hi all
i need to fill the rear differential with oil as it has been drained, i have seen somewhere that it takes 4.25lts is this correct and also that you fill some with a type of oil then the rest with an additive??
So basicly what do i need and how much of ?
cheers
Johnny
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SUPERCHARGEDGTA
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by SUPERCHARGEDGTA » Tue Aug 12, 2014 11:29 pm
I always use penzoil, get it from Robin at Autopontiac (he will know how much too)
used it in Daves (DavyJ) and worked better than oil with additive
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Davy J
- POC Posting God
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- Location: ESSEX
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by Davy J » Wed Aug 13, 2014 6:52 am
Penzoil is the one to use, as JB said, reaches all parts that other oils don't..

Dave. Vice Chairman & Publicity Manager
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johnny46
- POC Jr. Poster
- Posts: 132
- Joined: Sun Mar 11, 2012 11:03 am
- Membership No: 14-F402
- Year: 1977
- Model: Trans am Firebird
- Engine: 400
- Name: Johnny walker
- Location: Crewe Cheshire
- Location: Crewe Cheshire
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Contact:
Post
by johnny46 » Wed Aug 13, 2014 5:24 pm
Thanks guys

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johnny46
- POC Jr. Poster
- Posts: 132
- Joined: Sun Mar 11, 2012 11:03 am
- Membership No: 14-F402
- Year: 1977
- Model: Trans am Firebird
- Engine: 400
- Name: Johnny walker
- Location: Crewe Cheshire
- Location: Crewe Cheshire
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Contact:
Post
by johnny46 » Tue Aug 19, 2014 9:24 am
Hi
Robin was the man he's sorting me some things out
Cheers
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SUPERCHARGEDGTA
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by SUPERCHARGEDGTA » Tue Aug 19, 2014 12:52 pm
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Big Chief
- POC Newbie
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- Name: Robin Gray
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by Big Chief » Fri Dec 19, 2014 11:00 am
Anything you need i can usually supply.
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