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| CorvetteBob | heater hose crossover needed? | ||
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Elite Guru
 
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Hi guys, still been putting in some time on my vette, but also taking care of business otherwise. I'm looking at changing out my heater hoses. The top hose on my '88 has a
5/16" crossover tube running to the intake manifold, just in front of the distributor. Is this necessary? What happens if I eliminate it and just run a regular heater hose to the water pump? Thanks for your help... |
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Posted on: 2009/4/29 3:59
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| bogus | Re: heater hose crossover needed? | ||
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Grand Imperial Pooh-Bah
 
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That's a steam vent from the back of the intake. I would worry you might get vapour lock type of effect if you block it off.
The heating system is designed to stop air bubbles from forming. And with as prone to hot running that these cars are, I wouldn't mess with the design. |
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Posted on: 2009/4/29 4:43
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| CorvetteBob | Re: heater hose crossover needed? | ||
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Elite Guru
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Thanks very much. The tube stays!
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Posted on: 2009/4/29 6:10
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Beauty, it’s in the eye of the beer holder |
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| convas | Re: heater hose crossover needed? | ||
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Guru Newb
 
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Mine was taken out by the previous owner or maybe when it was converted to RHD and does not seem to have caused any issues for me, been running that way for about 16 years now.
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Posted on: 2009/4/29 8:47
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| anesthes | Re: heater hose crossover needed? | ||
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Master Guru
 
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Mine was removed when I threw the TPI setup in the dumpster.
Was a strange vette thing anyway. The Fbody didn't have such a thing and they ran fine. -- Joe |
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Posted on: 2009/4/29 11:07
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'79 Z28. 412 CID, NP 833 transmission, 3.73 10.5" rear end. |
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| dan0617 | Re: heater hose crossover needed? | ||
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Quote:
Ooh, so it's a 'vette only part. In that case, you can probably sell it for a couple thousand dollars. Otherwise, it's worthless. I would think it would be less likely to get a vaporlock when refilling the antifreeze system with that hose intact, but if done right you won't have a vaporlock anyway. |
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Posted on: 2009/4/29 12:55
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´89 Vert, 383, 230/236 cam, AFR 195's, LT Headers, HSR intake, 2800 stall, Zex 200 shot, ET Street Radials, tune by me. Runs were with D36 3.07's. On spray, 10.55 @ 132.78, 1.55 60 ft. On motor, 12.08 @ 113.15, 1.66 60 ft. |
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| vetteoz | Re: heater hose crossover needed? | ||
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Senior Guru
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Quote:
Same here , removed it and just plugged hole on every one I have had. One less place to leak |
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Posted on: 2009/4/30 8:23
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