| need advice on 455 intake and heads gaskets [message #224588] |
Fri, 04 October 2013 21:54  |
budworks521
Messages: 137
Registered: October 2013
Location: Grand Rapids MI 1974 Pain...
Karma: 4
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Hi, I am a new gmc motor home owner. Unfortunately my rig blew head and intake manifold gaskets. Where is the best source for new gaskets, metal "turkey" tray or valley tray, and exhaust manifold gaskets. I already had one copper gasket attached to new manifold prior to the heads going. Can I reuse that copper gasket? I want to keep everything the same as it was originally built. Any input would be great. Thanks
1974 Painted Desert
455 upper half rebuild
constant project inexperienced mechanic
Grand Rapids Mi
Always trying to learn
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| Re: need advice on 455 intake and heads gaskets [message #224611 is a reply to message #224592] |
Sat, 05 October 2013 07:30  |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Call JmK for the whole package. Save time, save money, save headaches. Have everything on hand before starting. Might add new valve covers gaskets, since old ones are compressed and you will be there.
Get the Dick Patterson intake gaskets with the block-off plates.
Removing front seats clears up the work area, but is not necessary.
Tom, MS II
2012 Phoenix Cruiser model 2552
KA4CSG
[Updated on: Sat, 05 October 2013 07:33] Report message to a moderator |
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| Re: need advice on 455 intake and heads gaskets [message #224624 is a reply to message #224588] |
Sat, 05 October 2013 10:54 |
budworks521
Messages: 137
Registered: October 2013
Location: Grand Rapids MI 1974 Pain...
Karma: 4
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Senior Member |
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I am very grateful for the responses. All told I am wondering how important the route is one the intake conversion. I really don't plan on using it during the winter and it was running great with the "tray" However vapor lock could be an issue once in awhile. I don't have all the skills figuring out all the "improvements" and was hoping on sticking with many of the old parts... rods, valves, springs, etc. The guides might need to be replaced. Getting heads magna flux right now and the intake appears to be crack free but once cleaned I'll know. Again thanks a bunch.
1974 Painted Desert
455 upper half rebuild
constant project inexperienced mechanic
Grand Rapids Mi
Always trying to learn
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| Re: need advice on 455 intake and heads gaskets [message #224626 is a reply to message #224624] |
Sat, 05 October 2013 11:22 |
Dennis S
Messages: 3046
Registered: November 2005
Karma: 2
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| budworks521 wrote on Sat, 05 October 2013 10:54 |
I am very grateful for the responses. All told I am wondering how important the route is one the intake conversion. I really don't plan on using it during the winter and it was running great with the "tray" However vapor lock could be an issue once in awhile. I don't have all the skills figuring out all the "improvements" and was hoping on sticking with many of the old parts... rods, valves, springs, etc. The guides might need to be replaced. Getting heads magna flux right now and the intake appears to be crack free but once cleaned I'll know. Again thanks a bunch.
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I would suggest you read through the photo album and descriptions by SteveF -- he details an engine rebuild and it covers many of the areas you will be working on, including sealants and gasket placement...
http://www.gmcmhphotos.com/photos/g3100-olds-455-engine-rebuild.html
Dennis
Dennis S
73 Painted Desert 230
Memphis TN Metro
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| Re: need advice on 455 intake and heads gaskets [message #224681 is a reply to message #224624] |
Sun, 06 October 2013 09:03 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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| budworks521 wrote on Sat, 05 October 2013 11:54 |
I am very grateful for the responses. All told I am wondering how important the route is one the intake conversion. I really don't plan on using it during the winter and it was running great with the "tray" However vapor lock could be an issue once in awhile. I don't have all the skills figuring out all the "improvements" and was hoping on sticking with many of the old parts... rods, valves, springs, etc. The guides might need to be replaced. Getting heads magna flux right now and the intake appears to be crack free but once cleaned I'll know. Again thanks a bunch.
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Bud,
Welcome to the group, family, cult and asylum....
I live in Michigan also and if I had reason to have the intake out, I would plug the crossover in a heartbeat. We do use the coach in the late fall and early spring. There is also a coolant port misalignment that you should deal with while you have the engine open.
With time and luck, I have lost track of who is selling what gaskets so I can't be the help there that I might have been.
I suggest that you put together a sig line like the rest of us have so those that might be close enough to help know where you are and what you have.
And, you have joined a community that is strong and helpful. As it reminds me of the way community of watermen are, I like to welcome new owners much as a new owner or vessel would be. So,
May the Good Lord bless this coach and all those that set forth within her.
Welcome Lawrence
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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