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Canadian Poncho Homepage -> Canadian Poncho -> Beaumont Power Train Tech Forum -> 1965 230 ci and Glide ready to return to duty!
Post Info TOPIC: 1965 230 ci and Glide ready to return to duty!
Wagon


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1965 230 ci and Glide ready to return to duty!
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DSCF2709.jpegFinally almost time to return power train to chassis.

Both bits all brand new and shiny.  Just need to set valves and drop in distributer.  

Am sure this rebuild taking longer than manufacture in 65!DSCF2711.jpegDSCF2710.jpeg



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73SC


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Beautiful !



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Ray White, Toronto ON

Formerly - The one and only 1973 LeMans 454 "Astro-Jet"

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CdnGMfan


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It should purr quietly like a kitten, except when in Park when that Powerglide Whine gives itself away.

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67 Chevelle Malibu Sport Coupe, Oshawa-built 250 PG never disturbed.

In garage, 296 cid inline six & TH350...

Cam, Toronto.


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beaumontguru


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will be nice to see that car back driving again!  great work!



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Beaumontguru

MY BEAUMONT HAS 4 STUDDED TIRES AND 2 BLOCKHEATERS......AND LOTS OF OIL UNDERNEATH.  The other one has a longer roof.
Wagon


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Looking for where to find a heat riser bi metallic coil for exhaust manifold?
Is a carb auto choke coil applicable?

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beaumontguru


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I have a couple stock used original ones. Cant buy them new any more

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Beaumontguru

MY BEAUMONT HAS 4 STUDDED TIRES AND 2 BLOCKHEATERS......AND LOTS OF OIL UNDERNEATH.  The other one has a longer roof.
Wagon


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DSCF2716.jpegDSCF2720.jpegphotos of heat riser coil and anti-rattle coil (smaller)

I suspect that stops the flap 



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beaumontguru


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Oh. Ya those things suck. I was thinking you were talking about the coil for the choke. But these exhaust manifold heat risers suck. I have no good fix other than to gut them out and weld the 2 thru holes. But that's all assuming you won't be winter driving it. Summer conditions you'd be better off without the flap for sure.

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Beaumontguru

MY BEAUMONT HAS 4 STUDDED TIRES AND 2 BLOCKHEATERS......AND LOTS OF OIL UNDERNEATH.  The other one has a longer roof.
CdnGMfan


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You need that bi-metal coil inside the heat stove to make the choke pull-off function as designed. It is connected to the little arm that allows the choke to come off high-idle & the choke automatically (after a tap on the throttle).

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67 Chevelle Malibu Sport Coupe, Oshawa-built 250 PG never disturbed.

In garage, 296 cid inline six & TH350...

Cam, Toronto.


I don't judge a man by how far he's fallen, but by how far back he bounces - Patton
Wagon


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The pictured coil activates the heat riser valve in exhaust manifold, nothing to do with carb or choke.
There is a flapper blade below the carb mount that when closed flows warm exhaust gas to carb base thus warming it.
As the coil warms it allows the blade to open allowing all exhaust to exit via exhaust. The smaller coil is anti rattle stopping
the blade from fluttering inside exhaust manifold. It is a complicated way of warming engine when cold in canada, that was
doomed to failure over time. The alternative is to weld the blade open or remove entirely which makes for tough cold starting.

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Canadian Poncho


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I watched a video the other day explaining how important it is to have the heat riser working on a stock engine from that era for decent driveability. The factory carbs were engineered with this feature in mind. Looking back now I know why the cars I had as a teenager never really ran 100% as those heat risers were all siezed. This feature isn't really needed (or wanted) on performance upgraded engines. 



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DonSSDD


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Mostly they seized partially closed.

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Wagon


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Yup mine was seized when checked pretty much fully closed, the passages to carb base also plugged.
Did get it cleaned out and functional.

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CdnGMfan


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How many people diligently applied GM Heat Riser Lubricant at every oil change? Very few evidently.

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67 Chevelle Malibu Sport Coupe, Oshawa-built 250 PG never disturbed.

In garage, 296 cid inline six & TH350...

Cam, Toronto.


I don't judge a man by how far he's fallen, but by how far back he bounces - Patton
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