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Anyone know if there are 340 heat riser kits available? #2483934
04/16/18 11:05 PM
04/16/18 11:05 PM
Joined: Apr 2012
Posts: 1,562
Macomb, MI
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vinnyd76 Offline OP
pro stock
vinnyd76  Offline OP
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Macomb, MI
Anyone know if there is a reproduction RH exhaust manifold heat riser kit available for a stock 340 setup (69-70 A-Body)?

Re: Anyone know if there are 340 heat riser kits available? [Re: vinnyd76] #2484417
04/17/18 11:05 PM
04/17/18 11:05 PM
Joined: Jan 2003
Posts: 647
Pa.
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340cpe Offline
mopar
340cpe  Offline
mopar
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Posts: 647
Pa.
May have an nos one but would have to look.

Re: Anyone know if there are 340 heat riser kits available? [Re: vinnyd76] #2484503
04/18/18 09:03 AM
04/18/18 09:03 AM
Joined: May 2013
Posts: 282
Ashland City, Tennessee
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Aar1064 Offline
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Aar1064  Offline
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Joined: May 2013
Posts: 282
Ashland City, Tennessee
Try Neil Jenks at dynamicrenovations.net. Saw a complete set at mopar nationals that even included the anti-rattle spring. Nice pieces.

Re: Anyone know if there are 340 heat riser kits available? [Re: Aar1064] #2484506
04/18/18 09:44 AM
04/18/18 09:44 AM
Joined: Aug 2012
Posts: 158
Poland, Ohio 44514
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captainjack Offline
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Poland, Ohio 44514
The repro by Jenks is excellent as I purchased one a few years ago at the Nats.

Re: Anyone know if there are 340 heat riser kits available? [Re: captainjack] #2484520
04/18/18 10:31 AM
04/18/18 10:31 AM
Joined: May 2013
Posts: 282
Ashland City, Tennessee
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Aar1064 Offline
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Aar1064  Offline
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Ashland City, Tennessee
I checked website and they aren't listed but to my knowledge, never have been. A phone call may be in order.

Re: Anyone know if there are 340 heat riser kits available? [Re: vinnyd76] #2484576
04/18/18 12:12 PM
04/18/18 12:12 PM
Joined: Jan 2003
Posts: 5,948
British Columbia
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chrisf Offline
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chrisf  Offline
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Joined: Jan 2003
Posts: 5,948
British Columbia
i bought a nos one on ebay for my 71. seems to be lots of 71+ there but havent looked for earlier versions.

Re: Anyone know if there are 340 heat riser kits available? [Re: vinnyd76] #2484578
04/18/18 12:14 PM
04/18/18 12:14 PM
Joined: Jan 2003
Posts: 5,948
British Columbia
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chrisf Offline
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British Columbia

Last edited by chrisf; 04/18/18 12:14 PM.
Re: Anyone know if there are 340 heat riser kits available? [Re: chrisf] #2484790
04/18/18 08:36 PM
04/18/18 08:36 PM
Joined: Jan 2003
Posts: 4,779
Ontario, Canada
mccannix Offline
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Posts: 4,779
Ontario, Canada
Hard to find the earlier ones with the thin damper as seen in the top in the pictures.
All the new repros have the fat damper...not sure if the numbers are cast into it like originals

zxx3.jpgzxx4.jpgzzzzzzzzzzman.jpg
Re: Anyone know if there are 340 heat riser kits available? [Re: vinnyd76] #2485454
04/20/18 06:17 AM
04/20/18 06:17 AM
Joined: Mar 2011
Posts: 1,651
Cut and Shoot, TX
kentj340 Offline
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kentj340  Offline
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Joined: Mar 2011
Posts: 1,651
Cut and Shoot, TX
Here's an original thin damper on a 10/15/68 manifold. It looks to be an iron casting. Or it could be a steel casting.

11 Exhaust manifold R heat riser outboard side.jpg

If you don't see two dolphins, you need a vacation.
Re: Anyone know if there are 340 heat riser kits available? [Re: kentj340] #2485457
04/20/18 06:25 AM
04/20/18 06:25 AM
Joined: Mar 2011
Posts: 1,651
Cut and Shoot, TX
kentj340 Offline
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Posts: 1,651
Cut and Shoot, TX
Here's an NOS replacement thick damper. It looks to be a precision powdered iron pressing. It's magnetic. Maybe the reason for high precision was to get the center hole to the correct press fit diameter without machining? Even the numbers and the pentastar are precision.

11 Exhaust manifold R heat riser showing NOS replacement.jpg11 Exhaust manifold R heat riser showing NOS replacement1.jpg

If you don't see two dolphins, you need a vacation.
Re: Anyone know if there are 340 heat riser kits available? [Re: kentj340] #2486048
04/21/18 01:20 PM
04/21/18 01:20 PM
Joined: Jan 2003
Posts: 2,252
New York
rarefish Offline
top fuel
rarefish  Offline
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Joined: Jan 2003
Posts: 2,252
New York
Here is a couple of pictures of the thin one from my 69 Dart. Original condition still wearing the factory turquoises engine paint.

100_4299.JPG100_4300.JPG






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