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 Post subject: 1979 Camaro
PostPosted:Fri Mar 06, 2009 1:45 pm 
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Small Block

Joined:Fri Mar 06, 2009 1:39 pm
Posts:3
I am breaking a 1979 Camaro and have some parts on ebay. The car had the 4.2 litre straight 6 engine and was auto.

I was asked the rear axle ratio so I turned the end shaft and this turns 1.3 times for each 1 turn of the drum. This seems a very low number. Am I doing this right or is the figure correct.


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1979 Camaro

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 Post subject: Re: 1979 Camaro
PostPosted:Sun Mar 08, 2009 2:12 pm 
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Big Block
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Joined:Mon Feb 09, 2009 12:41 pm
Posts:2451
If the axle's still on the car, jack the rear of the car up, chock the front wheels so's it doesn't roll & put the trans in neutral. Turn the rear wheel until the UJ on the front of the diff is pointing down (it doesn't really matter where it's pointing, so long as you can recognise it's exact position). Turn the wheel through one complete revolution & as you turn it count the number of times the UJ returns to it's starting point. If it turns 3 1/4 times then it's a 3.25-1 ration rear, 3 1/2 times it's a 3.50-1 etc etc. It would probably be either a 2.75-1 or a lowish 3.08-1 or 3.25-1 hth, cheers......Nige

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 Post subject: Re: 1979 Camaro
PostPosted:Tue Aug 25, 2009 11:59 am 
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Small Block
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Joined:Mon Aug 17, 2009 10:40 am
Posts:46
Car Details:1979 Chevy Camaro Berlinetta 305
Do you have any bits left?

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