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FWC Risers

joe_l

joe_l

Contributing Member
"LM318 FWC engines:
Has anyon

"LM318 FWC engines:
Has anyone ever included the risers in the FW cooling loop?
The FW would enter the top of the riser, travel through the manifolds and return to the heat exchanger. Raw water would then exit through the tail pieces.
Looks like a fairly simple plumbing reroute and gasket changes."
 
"I doubt it, for the passages

"I doubt it, for the passages are open in too many places between the risers, manifolds and elbows. Never seen it done on Mopars, but...

Jeff"
 
"Re; The FW would enter the to

"Re; The FW would enter the top of the riser, travel through the manifolds and return to the heat exchanger.

My opinion would be FW to enter at the low point, (on mine it would be the manifolds) & exit at the high point.
Also consider a petcock style air bleed on the risers, if they are higher than the return hoses back to the exchangers.
And if the risers are higher than the exchangers, you may never get the air out of them.

Fred 156-M"
 
"..."And if the risers are

"..."And if the risers are higher than the exchangers, you may never get the air out of them. "

And that's the problem with doing it that way. Still, if I was boating in salt water, I might give it a try.

Jeff"
 
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