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  #1 (permalink)  
Old 19-04-03, 04:28 PM
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Join Date: Nov 2002
Location: Westonzoyland, Somerset, England.
Posts: 237
Cylinder /manifold thread size

I'm not used to 'old english' type threads.

The threads for the bolts to fix the manifold appear to be 3/8" something, can anyone tell me what threads they are ?

Steve
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  #2 (permalink)  
Old 19-04-03, 05:28 PM
STEVE G's Avatar
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Join Date: May 2003
Location: stevenage, herts, uk.
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RE: Cylinder /manifold thread size

Steve
They are 3/8" UNC.Real Steel do a nice s/s ARP set.
Steve G
GE427-Rover 281ci.
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GE427(Rover 281)Not blue-well a bit.
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Old 19-04-03, 07:25 PM
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RE: Cylinder /manifold thread size

cheers,

Will the rest of the threads I come across, ie manifold etc always be UNC ?

Do real steel have a web site ?

Steve

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Old 20-04-03, 09:54 AM
russell_ram's Avatar
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RE: Cylinder /manifold thread size

Steve,

any of the threads into the aluminium block/heads/brackets/covers will be UNC of various diameters. Even the latest engines, which have metric headed bolts, have UNC threads!!

No Real Steel web site I'm afraid.

Russ
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Old 21-04-03, 01:38 PM
STEVE G's Avatar
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RE: Cylinder /manifold thread size

Steve
Just watch out for the bellhousing.Bolts to the engine are UNC,but slave cylinder and flywheel guard holes are Metric.

Steve G
GE427-Rover 281ci.
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GE427(Rover 281)Not blue-well a bit.
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