Lapping Necessary
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Joined: Dec 2004
Posts: 58
[attachment=27568:attachment][attachment=27569:attachment][attachment=27570:atta
hment]I have a 13b in my SE and am ordering a cmden 7inch for it (not the efi one). Has anyone done rebuilds without lapping? I only have 140,000 km (95,000 miles) on my engine. If I don't rebuild, they only suggest 5-7 lbs of boost. I would like to rebuild, streetport and use a 12a centerplate I have as well for more flow (perhaps even bridgeport the centerplate). I could use the video and do it myself without lapping unless there is a way to hand lap the plates myself. Any suggestiongs??? (Don't say turbo)
hment]I have a 13b in my SE and am ordering a cmden 7inch for it (not the efi one). Has anyone done rebuilds without lapping? I only have 140,000 km (95,000 miles) on my engine. If I don't rebuild, they only suggest 5-7 lbs of boost. I would like to rebuild, streetport and use a 12a centerplate I have as well for more flow (perhaps even bridgeport the centerplate). I could use the video and do it myself without lapping unless there is a way to hand lap the plates myself. Any suggestiongs??? (Don't say turbo)
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Joined: Nov 2002
Posts: 11
Originally Posted by 84stock' date='Jan 26 2005, 11:40 AM
[attachment=27568:attachment][attachment=27569:attachment][attachment=27570:atta
hment]I have a 13b in my SE and am ordering a cmden 7inch for it (not the efi one). Has anyone done rebuilds without lapping? I only have 140,000 km (95,000 miles) on my engine. If I don't rebuild, they only suggest 5-7 lbs of boost. I would like to rebuild, streetport and use a 12a centerplate I have as well for more flow (perhaps even bridgeport the centerplate). I could use the video and do it myself without lapping unless there is a way to hand lap the plates myself. Any suggestiongs??? (Don't say turbo)
hment]I have a 13b in my SE and am ordering a cmden 7inch for it (not the efi one). Has anyone done rebuilds without lapping? I only have 140,000 km (95,000 miles) on my engine. If I don't rebuild, they only suggest 5-7 lbs of boost. I would like to rebuild, streetport and use a 12a centerplate I have as well for more flow (perhaps even bridgeport the centerplate). I could use the video and do it myself without lapping unless there is a way to hand lap the plates myself. Any suggestiongs??? (Don't say turbo)
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Joined: May 2002
Posts: 22,465
From: California
Originally Posted by 84stock' date='Jan 26 2005, 11:40 AM
[attachment=27568:attachment][attachment=27569:attachment][attachment=27570:atta
hment]I have a 13b in my SE and am ordering a cmden 7inch for it (not the efi one). Has anyone done rebuilds without lapping? I only have 140,000 km (95,000 miles) on my engine. If I don't rebuild, they only suggest 5-7 lbs of boost. I would like to rebuild, streetport and use a 12a centerplate I have as well for more flow (perhaps even bridgeport the centerplate). I could use the video and do it myself without lapping unless there is a way to hand lap the plates myself. Any suggestiongs??? (Don't say turbo)
hment]I have a 13b in my SE and am ordering a cmden 7inch for it (not the efi one). Has anyone done rebuilds without lapping? I only have 140,000 km (95,000 miles) on my engine. If I don't rebuild, they only suggest 5-7 lbs of boost. I would like to rebuild, streetport and use a 12a centerplate I have as well for more flow (perhaps even bridgeport the centerplate). I could use the video and do it myself without lapping unless there is a way to hand lap the plates myself. Any suggestiongs??? (Don't say turbo)
at 95k miles on a gsl-se it should look new in there
Senior Member
Joined: Oct 2002
Posts: 296
From: Phoenix, AZ
Don't lap get a set a used good housings or news ones. the risk of you runing of breaking off the inner water jacket increases and you get rig of the harded finish on the housing and compression and performace is reduced.
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