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#1 |
Registered User
Join Date: Jan 2006
Location: Dallas
Posts: 504
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Simple front seal question
Hey Guys,
I've got a 250 inline 6 here and it is probably the same as a 350 so I wnated to ask... WITH the harmonic balancer off, would it be normal for it to leak oil when it is tilted forward down? I thought we might have busted the seal putting a balancer on, but I bought a new seal and it only seals around the shaft of the balancer, so if that is the only seal it makes sense that it would leak, but I wasn't sure if there was something behind it. Is this normal and I should just put the balancer on or what?
__________________
_______________ Thomas '78 Silverado '74 Monte Carlo '47 Teardrop Trailer East Texas Classics Local Club |
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#2 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: Simple front seal question
As you have observed the seal contacts the balancer shaft to seal the timing cover to the crank. There is not another seal on the front of the crank.
Jim
__________________
1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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#3 |
Registered User
Join Date: Jan 2006
Location: Dallas
Posts: 504
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Re: Simple front seal question
Thanks Jim! ! ! You rock!
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__________________
_______________ Thomas '78 Silverado '74 Monte Carlo '47 Teardrop Trailer East Texas Classics Local Club |
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#4 |
laying low
![]() Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,197
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Re: Simple front seal question
Thomas while you have the balancer off look it over real good for any grooves worn into it where it goes through the seal. Now's the time to put a wear sleeve on it or replace the balancer with a new one.
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Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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#5 |
Registered User
Join Date: Jan 2006
Location: Dallas
Posts: 504
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Re: Simple front seal question
Oh the old balancer was grooved pretty good. I am throwing that one away, it doesn't fit my needs for the power steering anyway otherwise I would have left it in place. I am transferring my new one over from my old engine that has the late model wider pulley spacing for the PS. Thanks for the good thought though!
__________________
_______________ Thomas '78 Silverado '74 Monte Carlo '47 Teardrop Trailer East Texas Classics Local Club |
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