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I was wondering if there would be any reason(s) to not run an aluminum spacer
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Topic: I was wondering if there would be any reason(s) to not run an aluminum spacer (Read 2357 times)
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Qikbbstang
Hero Member
Posts: 892
I was wondering if there would be any reason(s) to not run an aluminum spacer
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on:
August 21, 2015, 08:57:52 PM »
with the common steel sleeve at the timing cover seal surface instead of the production iron/steel FE crank spacer? .... There's always folks whittling on cranks to reduce weight and even going as far as machining a daisy pattern out of the rear flange to reduce weight.
At 1lb 4.5oz for a production spacer I presume you could shed around a pound by using creative machining and aluminum? ....I believe by the book it would require re-balance on a retrofit or perhaps the aluminum spacer could be counterweighted when machined. You pay big bucks for an aluminum or carbon fiber driveshaft so why not?
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Last Edit: August 21, 2015, 09:07:01 PM by Qikbbstang
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Joe-JDC
Hero Member
Posts: 1495
Truth stands on its own merit.
Re: I was wondering if there would be any reason(s) to not run an aluminum spacer
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Reply #1 on:
August 21, 2015, 11:11:36 PM »
Aluminum was available for a while, but it has the tendency to wear where the seal rubs, and leaks. Joe-JDC
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Joe-JDC '70GT-500
427Fastback
Hero Member
Posts: 603
Re: I was wondering if there would be any reason(s) to not run an aluminum spacer
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Reply #2 on:
August 22, 2015, 12:08:18 AM »
Aluminum weighs 1/3 what steel does...The spacer would have to be hard anodized to tolerate the seal..Very,very few are anodized..
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1968 Mustang Fastback...427 MR 5spd (owned since 1977)
1967 Mustang coupe...Trans Am replica
1936 Diamond T 212BD
1990 Grizzly pick-up
Barry_R
Hero Member
Posts: 1919
Re: I was wondering if there would be any reason(s) to not run an aluminum spacer
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Reply #3 on:
August 22, 2015, 07:34:21 AM »
The Blue Thunder ones are hard anodized and seem to work OK.
We have been making aluminum ones that incorporate the "stainless repair sleeve" as a wear surface.
I still prefer steel.
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I was wondering if there would be any reason(s) to not run an aluminum spacer