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FrontEngineDragsters.Org Forum
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Dan Dishon's Transmission Den
(Moderator:
GlennLever
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Power glide pumping fluid from vent
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Topic: Power glide pumping fluid from vent (Read 6537 times)
hemidakota
Full Member
Posts: 210
Your Best Time: 7.69 @ 173.5mph
Your Engine: 510 B1MC Wedge
Your Track: sacramento raceway
Your Vehicle: 02 200" fed
General Location: west coast
Power glide pumping fluid from vent
«
on:
December 20, 2019, 07:01:55 PM »
Well my cousin has a hughes glide in his racecar, never been ran. Had trans torn down by a builder to get case recert, trans guy reassembled. Started car for first time and it instantly started pumping fluid out of vent. Took back to builder and he said he put pump gasket in wrong and fixed it. Fired up car again and as I was adding fluid it started pumping out vent again so there is a problem still. I have built a few glides and never experienced this. Any ideas? He wants to take it back to builder but I think a 3rd time will not be fun. I want to tear it apart but don't really know what to look for. Any input would be greatly appreciated, Thanks
Logged
If it jams force it, if it breaks it needed replaced anyways
masracingtd1167
Hero Member
Posts: 1110
bill masiello Shelton Ct.
Your Best Time: 7.40's at 181 on motor 6.94 at 192 nitrous
Your Engine: 394 chevy
Your Track: Lebanon Valley Dragway
Your Vehicle: 2003 Neil and Parks
Re: Power glide pumping fluid from vent
«
Reply #1 on:
December 22, 2019, 06:22:04 AM »
Double check the filter ! it could be on backwards ! Also some builders plug the cooler by pass at the pump so you must run a cooler of at least loop the line at the cooler fitting ! Valve body loose ? Broken or missing ring on input ? Let us know what you find .
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gregm784
Sr. Member
Posts: 384
Your Engine: 365" GenIV SBC
Your Track: Famoso Raceway
Your Vehicle: 1997 Stirling 200" FED
Re: Power glide pumping fluid from vent
«
Reply #2 on:
December 23, 2019, 12:00:08 PM »
I highly recommend Jim @ ATO in Rancho Cordova. He is a powerglide god.
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Greg
El Dorado County, CA
www.meansracing.com
bikeguy307
Full Member
Posts: 241
Re: Power glide pumping fluid from vent
«
Reply #3 on:
December 25, 2019, 06:20:05 AM »
Im headed to the shop today, I will trace the vent circuit through the pump to find all possible cross feeds, sounds like an issue with the pump for sure.
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bikeguy307
Full Member
Posts: 241
Re: Power glide pumping fluid from vent
«
Reply #4 on:
December 25, 2019, 07:55:00 AM »
Definitely check your converter feed passages input shaft sealing rings and cooler passages in the pump all of these could directly cross feed into the vent circuit causing your issue.
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hemidakota
Full Member
Posts: 210
Your Best Time: 7.69 @ 173.5mph
Your Engine: 510 B1MC Wedge
Your Track: sacramento raceway
Your Vehicle: 02 200" fed
General Location: west coast
Re: Power glide pumping fluid from vent
«
Reply #5 on:
January 12, 2020, 09:09:12 PM »
Well trans came apart and pump gasket was again blown out. It is a new older hughes trans. It appears to be a JW case. JW said a paper gasket will not work and they sold my cousin a non blow gasket. Trans is reassembled and will be put back in tomorrow or next day. Will reply with results. And yes gasket was much better than a paper gasket...Thanks to all that answered
Logged
If it jams force it, if it breaks it needed replaced anyways
bikeguy307
Full Member
Posts: 241
Re: Power glide pumping fluid from vent
«
Reply #6 on:
January 16, 2020, 08:34:31 AM »
Hope it takes care of the issue.
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gregm784
Sr. Member
Posts: 384
Your Engine: 365" GenIV SBC
Your Track: Famoso Raceway
Your Vehicle: 1997 Stirling 200" FED
Re: Power glide pumping fluid from vent
«
Reply #7 on:
January 16, 2020, 09:58:33 AM »
How much line pressure? i've seen over 275 and not have a gasket problem. As a matter of fact, i've never seen a gasket problem.
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Greg
El Dorado County, CA
www.meansracing.com
hemidakota
Full Member
Posts: 210
Your Best Time: 7.69 @ 173.5mph
Your Engine: 510 B1MC Wedge
Your Track: sacramento raceway
Your Vehicle: 02 200" fed
General Location: west coast
Re: Power glide pumping fluid from vent
«
Reply #8 on:
January 17, 2020, 10:37:49 AM »
The gasket was blown at pressure port and fluid went around pump o-ring to vent port and blew gasket in is how it was venting. Old gasket was .040" and new gasket was .140". Will start it tonight and double check it. Is a crazy deal.
Logged
If it jams force it, if it breaks it needed replaced anyways
gregm784
Sr. Member
Posts: 384
Your Engine: 365" GenIV SBC
Your Track: Famoso Raceway
Your Vehicle: 1997 Stirling 200" FED
Re: Power glide pumping fluid from vent
«
Reply #9 on:
January 17, 2020, 12:25:12 PM »
In doing that you just increased your end play in your trans .100" too. I'm not a trans guy, not sure what that will affect.
Logged
Greg
El Dorado County, CA
www.meansracing.com
hemidakota
Full Member
Posts: 210
Your Best Time: 7.69 @ 173.5mph
Your Engine: 510 B1MC Wedge
Your Track: sacramento raceway
Your Vehicle: 02 200" fed
General Location: west coast
Re: Power glide pumping fluid from vent
«
Reply #10 on:
January 18, 2020, 11:01:09 PM »
I just saw the gasket and helped put it back in and check it. I will post a pic of the gasket. Oh and it did not leak a drop this time...
Logged
If it jams force it, if it breaks it needed replaced anyways
bikeguy307
Full Member
Posts: 241
Re: Power glide pumping fluid from vent
«
Reply #11 on:
January 21, 2020, 09:16:31 AM »
Glad the gasket cured your issue, but adding .100 to the end play is a huge amount, hope you adderssed this. The extra end play should be taken up from the rear inorder to keep the drum up on the pump correctly.
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JoydayVox
Jr. Member
Posts: 95
Your Best Time: Urenulo
Your Engine: Ekubyboxe
Your Track: Ysehekol
Your Vehicle: Ijesu
General Location: Eweciq
Re: Power glide pumping fluid from vent
«
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November 11, 2024, 05:28:58 PM »
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Power glide pumping fluid from vent