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Re: Super duper MPG 318 (part 2)
[Re: poorboy]
#3159709
07/15/23 08:46 AM
07/15/23 08:46 AM
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Joined: Jan 2003
Posts: 5,406
Pikes Peak Country
TC@HP2
master
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master
Joined: Jan 2003
Posts: 5,406
Pikes Peak Country
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My opening point was, many new to the automotive world, or those that have not been taught better, believe that a rear end gear in the 4:00 something (4:10, 4:88) is a high rear end gear (big numbers) and that a rear end gear in the 2:00 something (2:45 or 2:76) is a low rear end gear (low numbers) when in fact both of these statements are incorrect. A 4:00 something rear end gear is considered a low gear ratio and a 2:00 something rear end gear is considered a high rear end gear. We need to be sure people learn these things correctly, and if they don't hear it from us, who would they hear it from?
Indeed a 4:10 is a high numeric ratio while also being a low gear in application and 2:76 is a low numeric ratio while also being a high gear in application.
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Re: Super duper MPG 318 (part 2)
[Re: cudaman1969]
#3160328
07/17/23 03:52 PM
07/17/23 03:52 PM
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Joined: Jan 2005
Posts: 12,488
Kalispell Mt.
HotRodDave
OP
I Live Here
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OP
I Live Here
Joined: Jan 2005
Posts: 12,488
Kalispell Mt.
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It's getting to the point where it's cheaper, for my 230 flathead anyway, to just buy the tools and do a three angle VJ myself. Correct, I bought a Quic Way valve grinder and Van Norman seat machine 3 years ago for $1100 I been thinking about buying a valve grinder off craigslist for around $500, I keep seeing them pop up on there. As for the seats I keep watching videos of these type things... https://www.youtube.com/watch?v=F03KOZYDIc8I am just concerned with how do I control depth and valve seat diameters and such? Seems he is just guessing that it is close...
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Super duper MPG 318 (part 2)
[Re: HotRodDave]
#3160371
07/17/23 06:56 PM
07/17/23 06:56 PM
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Joined: Jan 2004
Posts: 8,818
fredericksburg,va
cudaman1969
Itch Nutz
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Itch Nutz
Joined: Jan 2004
Posts: 8,818
fredericksburg,va
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It's getting to the point where it's cheaper, for my 230 flathead anyway, to just buy the tools and do a three angle VJ myself. Correct, I bought a Quic Way valve grinder and Van Norman seat machine 3 years ago for $1100 I been thinking about buying a valve grinder off craigslist for around $500, I keep seeing them pop up on there. As for the seats I keep watching videos of these type things... https://www.youtube.com/watch?v=F03KOZYDIc8I am just concerned with how do I control depth and valve seat diameters and such? Seems he is just guessing that it is close... The Van Norman has precise cut measurements, not a guess.
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