running CB350 without the base gasket- best sealer?

[runmikeyrun]

Hey all,

I am about to start tear down of my motor and I would like to bump my compression a little by running without the base gasket. I was wondering what you've tried that works (and doesn't) because I haven't done this before, only shaved heads.

Or, am I just asking for trouble by doing this and should I just pony up the dough and have the head shaved down?

Thanks!

 

[bradj]

I would up the compression with dome pistons first that way there is no timing issues from slack in the cam chain

 

[Sonreir]

Make sure to check your clearances once everything is back together. You should be OK though. Like Brad said, valve timing will be off by a bit, but only a few degrees... you should be OK there, too.

For sealant, I use Threebond 1104. Permatex copper will do in a pinch, too.

 

[xb33bsa]

loctite 518 or 515 is the best for this application

 

[Sonreir]

loctite 518 or 515 is the best for this application

I hope this is a joke or an accidental mispost mean for another thread...

 

[xb33bsa]

I hope this is a joke or an accidental mispost mean for another thread...

no joke try it

 

[Sonreir]

no joke try it

You first.

 

[xb33bsa]

You first.

it is all I will use when eliminating or repairing a gasket
the shit is like magic and anerobic to boot so you can take time fer ass-embly
it has stopped leaking erl on the BSA wherever I have used it
its just the best stuff for these applications.period
plus it works as a thread sealer and medium strength thread locker
it is expensive but worth it, in my hoe

 

[Mike Lawless]

LockTite 515 and 518 is seriously good stuff. I've been using it in my VW drag racer for many years. I quit using intake gaskets, cylinder barrel gaskets and I even use for a case half sealant where there was no gasket originally. A very thin coat does the job.

 

[xb33bsa]

it is too bad that the valve lash adjustability on the 350 is limited by the ecentrics,
if not a feller could run an extra/thicker gasket up top under the rocker box to get the time back..the retardedness will move the power up even higher in the rev range
you could try it on the bench but i dont think there will be enuff ?
i think the lost time is significant enuf to slot the sprocket up top and dial it in
i would love to find some cam timing specs for the cb/cl350, sl350 as well
i havent found any stock specs still looking, anybody ?

 

[Sonreir]

Give Megacycle Cams a call. I'd be willing to bet they have 'em.

 

[xb33bsa]

Give Megacycle Cams a call. I'd be willing to bet they have 'em.

thank you i will

 

[runmikeyrun]

man, I forgot about the timing aspect... duh... I'm going to check out some domed pistons I guess the extra scratch will be worth not having hours of tuning aggravation later...