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Mix n Match Cams

  • Thread starter Thread starter Buster-boy
  • Start date Start date
duaneage said:
We'll find out. I love to play with plasti-gauge.
Click to expand...

The cam caps have a shoulder which bottoms out, so you can tighten the caps until they strip and it won't effect the bore diameter. Even if you did some how get the cap to close down (such as by shaving the bottom of the caps), the cam bore would be ovalized then which is something we don't want.
 
Agreed, the line boring gives precise size and perfect roundness to the cam bearing (as well as perfect straightness through the other cam cap). You may be able to find an acceptable replacement, but plastigage top, bottom and sides to make sure it is not ovalized (nice word! copyrighted?). The cam's bearing surface is precision ground and it is the harder material (steel vs aluminum), so it should not wear appreciably.

I guess anything's possible: Burt Munro made his own cams, with a file! ;)
 
Don-lo said:
Agreed, the line boring gives precise size and perfect roundness to the cam bearing (as well as perfect straightness through the other cam cap). You may be able to find an acceptable replacement, but plastigage top, bottom and sides to make sure it is not ovalized (nice word! copyrighted?). The cam's bearing surface is precision ground and it is the harder material (steel vs aluminum), so it should not wear appreciably.

I guess anything's possible: Burt Munro made his own cams, with a file! ;)
Click to expand...

In my spares bin I have an 8V 1000 head but the cam bearing caps were mixed up with those from a different 1000 head that was scrapped. I tried to figure out which caps belonged to the head but after about 20 minuets of fussing around I couldn?t so the entire mess was chucked into a box for sorting at a later date. Guess I?m trying to say that Suzuki did a pretty nice job machining the head so in many cases the cam caps can be replaced with one from a different engine without undue concern.
 
BUT,What will happend if i buy new cams from megacams,I will still need my old caps.The new cams are not machined with the caps????
 
Tompasio said:
BUT,What will happend if i buy new cams from megacams,I will still need my old caps.The new cams are not machined with the caps????
Click to expand...
The cams are all the same. Cam caps match the head. They need to line up accross the board and have equal clearance so the cams turn freely.
You don't get new cam caps with new cams.
 
Wow, I guess this question sparked a great conversation, huh? You guys seem to know you S--T, way more than I do that's for sure.

I think I'll look into what Nessism suggested - those helicoil inserts. Where would I find those?

Don-lo, that was a great movie, wasn't it? He made pistons on the beach!! How cool is that? He never flinched at any set back. It was just another opportunity to him!!
 
Puting silicone on the plugs could prevent them from getting a good ground and create a weak or no spark condition.
 
Buster-boy said:
Wow, I guess this question sparked a great conversation, huh? You guys seem to know you S--T, way more than I do that's for sure.

I think I'll look into what Nessism suggested - those helicoil inserts. Where would I find those?

Don-lo, that was a great movie, wasn't it? He made pistons on the beach!! How cool is that? He never flinched at any set back. It was just another opportunity to him!!
Click to expand...

Auto parts stores sell helicoil, so does Amazon, but some will suggest timesert as a better choice.
 
Doctorgonzo - I'd never heard of a Timesert before. Went to their website (Timesert.com), watched the demo video. I love it!! That's the route I'm going. Thanks for the tip!!

Jim
 
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