[Chrysler300] Heat Riser 300G - reply

["John J. Hertog" <crossram@xxxxxxxxxxxxx>]

Hi Paul,

Indeed, unlike most Mopar passenger cars, the ram inducted cars used two 
heat risers, on on each side. The passenger side unit is easy to find 
replacement parts for; however, the driver's side unit is a different 
story - but only as far as one specific part - the counterweight.

If you need to rebuild the driver's side, as long as you have the 
counterweight, you'll be OK - everything else is interchangeable. The shaft, 
bushings and thermostatic springs are the same (the spring is just installed 
"backwards" on that side as compared to the passenger side) , and the rest 
of the hardware is also the same. The only difference, really, is the actual 
counterweight itself.

No, you may not make things work in the opposite direction; won't work.  The 
only real problem you will encounter is if your original left (driver's) 
side counterweight is missing. You'll either have to find one (from another 
Club member or ??? ) or make one.  To the best of my knowledge, there are no 
Mopar cars, other than the ram cars, that used that specific, "reversed" 
counterweight.  If I am wrong, someone  please let me know - I could use a 
couple of those !

Of course, there are plenty of passenger (Right) side counterweights out 
there, in junkyards, etc..  since they were used on many, many cars of that 
period.

You may check out a good picture showing both sides of the heat riser system 
on the ram cars :   http://www.crossrams.com/van300f/0105exman6.JPG

And there are pictures showing rebuild of same : 
http://www.crossrams.com/van300f/seven.html

Hope this helps,

John Hertog
Sag Harbor NY





----- Original Message ----- 
From: "Paul Weihl" <pweihl@xxxxxxxxxxx>
To: <Chrysler300@xxxxxxxxxxxxxxx>
Sent: Friday, November 18, 2005 3:38 PM
Subject: [Chrysler300] Heat Riser


> Hello Group,
>
> I have a complete Heat Riser kit to rebuilt the right side exhaust 
> manifold (passenger side).  Only problem is that the kit is for the left 
> side because the counterweight in the kit is the same as the left side and 
> it should be the mirror image for the right side.  The parts catalog shows 
> the counterweights as left and right side with different part numbers. 
> Since I do not have the manifold off the engine to check all 
> possibilities, my question is, can the left counterweight be applied to 
> the right side by installing the valve plate to accommodate the different 
> balance of the counterweight?  I know the best solution is to locate the 
> correct counterweight.  I visited several salvage yards and found 5 
> exhaust manifolds that used the same style heat riser, but everyone was 
> for the left side.  Seems strange because I thought that most MOPARs had 
> the heat riser on the right side, thereby making it easy to find the one I 
> was needing.  Any ideas will be greatly appreciated.   Thanks.
>
> Paul Weihl
> St. Louis, MO
> 300G
>
> [Non-text portions of this message have been removed]
>
>
>
>
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