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I think you're right Ted. Some issues there for sure. Probably uses those thick squishy gaskets from CB Performance that are absolute CRAP!

 

As many have posted, sand your manifolds DEAD flat on a piece of glass. Use thin, hard gasket material and Loctite 517 and primer on both sides of the gasket. Buy yourself a set of steel 11mm barrel nuts for your manifolds and 4 THICK 8mm washers. I had to make two washers D-shaped to clear the manifold. Use Loctite and torque them with a wobble socket. You should be good to go for a long time after that and have no intake leaks. 

make sure your intakes are not hitting any part of the head, some hit where the valve cover casting isant straight causing sealing issues,Ive use the cb type gaskets& only had one issue, but that was due to way more port work than those intakes should of had and then it took 3 years for a leek.I dont like hard gaskets.there are also some good steel flanged nuts that work great on intakes.you should also spotface the aera where the nut/washer contacts the intake.. unsynced carbs can also make it worse as the engine has a shake,you may not feal it but it's there.

*THREAD DRIFT!*

 

(everybody turn sideways in your chair and steer with the throttle..) 

 

RE: the 359 - Have any of you ever seen one of these kits done well? I've only ever seen three of them. Two of them were for sale, still in kit form. I've seen this red one a few times. I'm wondering how some super wide body wheels would transform this ugly beast?

 

 

T

Last edited by TRP
Originally Posted by TRP:

@ALB - I think that bar across the air cleaners is to tie the tops of the carbs from vibrating/moving apart. To provide support/strength from all that top heavy weight from being centered on the manifolds / linkage.

 

 

That's my theory,
Ted

 

 

Normally, Ted, it's not an issue, but I've never seen the "thick squishy" gaskets (You should be a technical writer, Danny!) our esteemed colleague is referring to.

Proportions are wrong on several axes. But you give that thing to Merklin (and you would probably have to give it to him), give him eight weeks & $8k to set it right and I bet you wouldn't make fun of it when it's done.

 

Now...would you then be willing to pay $16k for it? Probably not, which is why this isn't gonna happen.

 

But the possibility of a nice build is there.

 

 

ALB, these: http://www.cbperformance.com/P...asp?ProductCode=2720

 

Don't use them. You tighten them. They squish down. Manifolds get loose. They leak. You tighten again. They squish right down and break in two. Junk as far as I'm concerned.

 

And Mark is right about carbs out of sync. If they are even a little out of sync, they vibrate. When they vibrate, the manifolds shake. When that happens, there is a LOT of stress on the junction between head and manifold. If your gaskets have room to move(soft gaskets) then you WILL have problems. I hold firm that a solid connection is the way to go here.

 

No matter what you do to the 359, it is FUGLY!

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