Boring The 7.3L Block
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Fleet Mechanic
Joined: Jul 2004
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Boring The 7.3L Block
I have been following some of the 7.3L builds, and it appears they can indeed make significant power. Have been wondering how far out you can take a 7.3L so far no one is talking about increasing displacement. Noticed that Brian Wolfe kind of ducked the question on REVan Evan's videos. Anyone know the story? I figure the aftermarket has to be working on pistons by now.
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Fleet Mechanic
Joined: Jul 2004
Posts: 1,515
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Fleet Mechanic
Joined: Jul 2004
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Logistics Pro
Joined: Mar 2011
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From: Central Wisconsin
The variance in cylinder wall thickness reminds me of the 351 Cleveland blocks. Not a good reminder.
I remember seeing in a video, and I could swear it was one with Brian Wolfe, where they said they'd be able to bore one .030 over comfortably but they'd be scared to do any more than that even on a "mild" engine. Not sure how they define a "mild" engine since the thing is already over 400 horsepower stock. I guess if nothing else, in 20 years when these things are littering the junkyards, at least you can count on being able to clean the block up once to put in your hot rod.
I remember seeing in a video, and I could swear it was one with Brian Wolfe, where they said they'd be able to bore one .030 over comfortably but they'd be scared to do any more than that even on a "mild" engine. Not sure how they define a "mild" engine since the thing is already over 400 horsepower stock. I guess if nothing else, in 20 years when these things are littering the junkyards, at least you can count on being able to clean the block up once to put in your hot rod.
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Fleet Mechanic
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Mountain Pass
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From: Wisconsin
Bore is larger then stroke .. I would think a stroke increase would be easier .. More money though ..
Without a block deck it might be a real treat to bore .. Need to machine a fixture to replace the head
and stabilize the top of the cylinder castings .. Or risk egg shaped or tapered bores ..
Without a block deck it might be a real treat to bore .. Need to machine a fixture to replace the head
and stabilize the top of the cylinder castings .. Or risk egg shaped or tapered bores ..
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Thread Starter
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Fleet Mechanic
Joined: Jul 2004
Posts: 1,515
Likes: 198
Bore is larger then stroke .. I would think a stroke increase would be easier .. More money though ..
Without a block deck it might be a real treat to bore .. Need to machine a fixture to replace the head
and stabilize the top of the cylinder castings .. Or risk egg shaped or tapered bores ..
Without a block deck it might be a real treat to bore .. Need to machine a fixture to replace the head
and stabilize the top of the cylinder castings .. Or risk egg shaped or tapered bores ..
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