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Author Topic: Cam to Lifter Clearance  (Read 2253 times)
Zach Gomulka
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Don't piss down my back and tell me it's raining.


« on: July 09, 2009, 07:23:15 am »

Checked the cam to lifter clearance on AssHull's 1915 tonight... Minium is .050" (correct??), maximium is...??
AS41 Brazillian mag case, Engle 120 cam

Thanks!
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Fastbrit
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Posts: 4719


Keep smiling...


« Reply #1 on: July 09, 2009, 08:08:13 am »

Minium is .050" (correct??), maximium is...??
.050 is fine, there is no real maximum... unless the lifter's punched right out of the case and is lying on the floor. Smiley
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12.56sec street-driven Cal Looker in 1995
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richie
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« Reply #2 on: July 09, 2009, 10:04:42 am »

some is enough Smiley

cheers richie,uk
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Zach Gomulka
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Posts: 6991


Don't piss down my back and tell me it's raining.


« Reply #3 on: July 09, 2009, 16:18:07 pm »

Cheers, gents!
We had already begun assembling the motor when I decided to check it out, and it's a good thing we did. After a LOT of lifter shuffling we got the 3-4 case half to nearly acceptable figures, .049" to .064". Both intakes were tighter than the exhausts(?). Decided to check on the 1-2 half and came up with very different numbers... After even more shuffling, the best numbers we could come up with was #2 intake and exhausts are a close .048"-.053", but the #1's are a tight .029"-.034" Sad

What would you do? (what I want to hear is that we can have a little taken off the tops of the #1 lifter bores and call it a day Wink)

Thanks!
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Fastbrit
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Keep smiling...


« Reply #4 on: July 09, 2009, 16:28:11 pm »

That would be fine and dandy. As Richie says, anything is enough, but I prefer to allow around 40thou, although there isn't really any reason why! For peace of mind, mill #1 and have done with it... Smiley
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Der Kleiner Panzers VW Club    
12.56sec street-driven Cal Looker in 1995
9.87sec No Mercy race car in 1994
Seems like a lifetime ago...
Jim Ratto
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Posts: 7120



« Reply #5 on: July 09, 2009, 17:05:13 pm »


What would you do? (what I want to hear is that we can have a little taken off the tops of the #1 lifter bores and call it a day Wink)

Thanks!

that's what you need to do. Berg sells a cutter you can run in a drill press or even a hand drill if you're careful.
Most high perf lifters are already thinner on head. Are you guys using stock VW lifters or Mahles or something?
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Zach Gomulka
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Posts: 6991


Don't piss down my back and tell me it's raining.


« Reply #6 on: July 09, 2009, 18:09:46 pm »

Stock VW (Brazil, I think).
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Born in the '80s, stuck in the '70s.
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