'71 500 fuel hose replacement

WoodOnWater

Cadet
Joined
Sep 3, 2012
Messages
28
I'm in process of replacing all of the original fuel hoses '71 Thunderbolt 500.

I converted the connections over to brass barbs and SS clamps. I'm curious if I should replace the cylinder bleed hose and the main bearing balance tube(hose). These appear to be in good condition. I'm curious how exposed they are to ethanol in the gas that runs through the engine.

The balance tube may be a no brainer since one end the connections seems to be loose and the only way I see to tighten it is to cut off the hose, tighten the fitting and put on a new hose. How would this loose hose affect engine performance?
 

Texasmark

Supreme Mariner
Joined
Dec 20, 2005
Messages
14,559
Re: '71 500 fuel hose replacement

Current engines, at least back to my '02 90 triple use neoprene (I guess for fuel resistance) hose and tie wraps. Works just fine. Fuel pressure is just a few lbs. so there isn't much stress on the hose to barb interface.

Mark
 
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