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ring gap alignment
#1
anyone out there have pic for setting location of ring gaps

Alan L

[Image: 1_30_09_13_10_12_32.png]
Alan L
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#2
I do not have a diagram but here's how I do it. When looking at the piston in the direction it goes in the bore place the top ring endgap at the 6 o'clock position (major thrust side) the second ring at 12:00 (minor thrust side) the top oil scraper at 3:00 and the bottom scraper @ 9:00 place the ends of the expander @ either 12 or 6:00. This is a good place to start as none of the gaps will be aligned. Since the rings are designed to rotate on the piston they won't stay there for long. Some builders just place the oil scraper gaps at opposite sides and don't worry about the rest. I think setting the gaps where you want them won't hurt.

I hope that answers your question.

Jeff T.

Low buck, touring style, '73 Convertible "rolling restoration", 351c, 2v heads with a shave and a haircut, Performer intake, Holley 650(ish), roller rockers, screw in studs, guideplates, stainless valves, Duraspark / Motorsports MSD, T-5 conversion. 1-1/8" front, 3/4" rear swaybars KYB shocks and some home brewed subframe connectors. Future plans; JGC steering box, Cobra brakes and... paint, interior, etc.

When I die I want to die like grandpa, peacefully in my sleep... not screaming, like his passenger.

[Image: 1_12_09_14_10_15_11.png]
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#3
droptop73;15586 Wrote:I do not have a diagram but here's how I do it. When looking at the piston in the direction it goes in the bore place the top ring endgap at the 6 o'clock position (major thrust side) the second ring at 12:00 (minor thrust side) the top oil scraper at 3:00 and the bottom scraper @ 9:00 place the ends of the expander @ either 12 or 6:00. This is a good place to start as none of the gaps will be aligned. Since the rings are designed to rotate on the piston they won't stay there for long. Some builders just place the oil scraper gaps at opposite sides and don't worry about the rest. I think setting the gaps where you want them won't hurt.

I hope that answers your question.
Thanks Jeff

[Image: 1_30_09_13_10_12_32.png]
Alan L
  Reply
#4
You're welcome. This is one of those things you can get MANY opinions on. Big Grin

Jeff T.

Low buck, touring style, '73 Convertible "rolling restoration", 351c, 2v heads with a shave and a haircut, Performer intake, Holley 650(ish), roller rockers, screw in studs, guideplates, stainless valves, Duraspark / Motorsports MSD, T-5 conversion. 1-1/8" front, 3/4" rear swaybars KYB shocks and some home brewed subframe connectors. Future plans; JGC steering box, Cobra brakes and... paint, interior, etc.

When I die I want to die like grandpa, peacefully in my sleep... not screaming, like his passenger.

[Image: 1_12_09_14_10_15_11.png]
  Reply
#5
Hi

That is what I found in the HPbook HOW TO REBUILD FORD V8 ENGINES by Tom Monroe


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