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Old 05-14-2010, 03:51 PM   #26
MR .T
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Re: 305 heads on a 350?

its a mexican block. I had one they are not quite as good. im pretty sure it will be a 2bolt main 350.
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DANA 44 front, NP205 case, 12 BOLT rear, 3.73 gears, 33' rubber with a 4'' lift, full headers with duels and a 305HO engine. Im swapping in a 350 very soon.
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Old 05-14-2010, 04:29 PM   #27
motornut
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Re: 305 heads on a 350?

if you can't get into the back,use tinfoil and rub it back there to get an impression of it.no numbers by the motor mount?
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1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350

Last edited by motornut; 05-14-2010 at 04:30 PM.
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