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-   -   292 exhaust manifold cracked. What to buy? (https://67-72chevytrucks.com/vboard/showthread.php?t=762404)

Puddles 04-23-2018 02:35 AM

292 exhaust manifold cracked. What to buy?
 
So I just purchased a 64 c20 a week ago and going through it i found the exhaust manifold is cracked so I'm lookimg at what to replace it with.
Heres my issue.
My current manifold has the heat riser\flapper valve. Im trying to figure out if I can install a manifold without the heatriser\flapper valve without any issues. I'm looking at the cheap ebay replacements. Just need something to make the truck driveable without changing the rest of the exhaust or intake.
Any info would be great.

Thanks

raidmagic 04-23-2018 07:51 AM

Re: 292 exhaust manifold cracked. What to buy?
 
Don't know what the weather is where you are but you can do away with the heat riser you just might experience some cold start issues. Probably nothing more than starting an old truck anyway. If you aren't wanting to change anything then a stock replacement is your best bet.

vin63 04-23-2018 08:30 AM

Re: 292 exhaust manifold cracked. What to buy?
 
Surrey, BC? I think https://www.12bolt.com or http://www.cliffordperformance.net might have what you're looking for especially if you want to upgrade. For the intake, there are heater plates available that use the engine coolant to warm the intake manifold.

rvrfoot 04-23-2018 11:25 AM

Re: 292 exhaust manifold cracked. What to buy?
 
Quote:

Originally Posted by Puddles (Post 8245076)
So I just purchased a 64 c20 a week ago and going through it i found the exhaust manifold is cracked so I'm lookimg at what to replace it with.
Heres my issue.
My current manifold has the heat riser\flapper valve. Im trying to figure out if I can install a manifold without the heatriser\flapper valve without any issues. I'm looking at the cheap ebay replacements. Just need something to make the truck driveable without changing the rest of the exhaust or intake.
Any info would be great.

Thanks

Weld it.

shp4man 04-23-2018 01:36 PM

Re: 292 exhaust manifold cracked. What to buy?
 
There's a Chinese repro of the exhaust manifold available for the 6 banger engines- check Rockauto.
Use super high temp silicone on the gaskets and tighten the bolts in the right order- it's not a perfect casting. :lol:

rvrfoot 04-23-2018 02:47 PM

Re: 292 exhaust manifold cracked. What to buy?
 
Dont get the china cheet. Fix yours.

maydaymike 04-24-2018 09:19 AM

Re: 292 exhaust manifold cracked. What to buy?
 
I bought one of the reproduction ones a few years ago, and it mated with my Offy intake and sealed up just fine. Summit racing had the best price at the time, with free shipping.

67pete300 04-24-2018 08:01 PM

Re: 292 exhaust manifold cracked. What to buy?
 
Where is Surrey? I have one of those in my garage.


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