Over flow - The 1947 - Present Chevrolet & GMC Truck Message Board Network

rikbar · 07-21-2008, 01:38 PM

Hey everyone,
just have a quick question, my truck has a 350, w/ stock rad. it runs about 190/195 degrees on highway. Everytime I stop and shut off the motor, it spits some antifreeze on the ground from the overflow. Should I be looking at a rad. cap? or put on a overflow bottle?
Thanks for your time.

Rik

Greg63 · 07-21-2008, 02:03 PM

I would go with an overflow bottle.
I took the bottle and holder for the widshield washer fluid and am using that for my overflow. It looks like it should be there and it works great.
Greg.

ClassicAutoResto · 07-21-2008, 02:29 PM

The nice thing is there are endless possibilities for custom overflow bottles. Colored juice jugs, thermos, small aluminum tank, the new Heinekin mini keg, etc., etc.

MacAttack · 07-21-2008, 03:03 PM

Most definitely an over-flow bottle. Are you running a shroud? Do you run a stock fan, or one with a modern design? Running that high at speed would drive me nuts.

rikbar · 07-21-2008, 03:08 PM

Thanks guys, will add an overflow for it.
The truck has the original shroud and stock fan. Not sure what thermostat it has in it yet. Again thanks.

salazar44 · 07-21-2008, 04:31 PM

Quote:

Originally Posted by MacAttack

Most definitely an over-flow bottle. Are you running a shroud? Do you run a stock fan, or one with a modern design? Running that high at speed would drive me nuts.

you think 190 is high?

MacAttack · 07-21-2008, 05:29 PM

Quote:

Originally Posted by salazar44

you think 190 is high?

In a new vehicle - no (because of emissions, etc). With older rigs, on the highway in the desert - at noon - uphill on a grade, 190/195 is fine - at 70 mph. But on level ground - same conditions, 175/180 is what I consider "normal'.

Idling in a drive-thru on a 90 degree day - you can expect 200/205, but that's no load and a different thing. JMO.

07-21-2008, 01:38 PM	#1
rikbar Registered User Join Date: Jan 2004 Location: South Dakota Posts: 65	Over flow Hey everyone, just have a quick question, my truck has a 350, w/ stock rad. it runs about 190/195 degrees on highway. Everytime I stop and shut off the motor, it spits some antifreeze on the ground from the overflow. Should I be looking at a rad. cap? or put on a overflow bottle? Thanks for your time. Rik __________________ 1960 Chevy shortbox.

07-21-2008, 02:03 PM	#2
Greg63 Enjoy your truck Join Date: Oct 2007 Location: Newmarket, Ontario, Canada Posts: 1,066	Re: Over flow I would go with an overflow bottle. I took the bottle and holder for the widshield washer fluid and am using that for my overflow. It looks like it should be there and it works great. Greg. __________________ 1 Corinthians 10:13 1963 Chevrolet 1/2 ton 2010 Camaro SS/RS 2014 Jeep Grand Cherokee 2016 Jeep Cherokee

07-21-2008, 02:29 PM	#3
ClassicAutoResto Rust Buster Join Date: Apr 2007 Location: Lebanon, Ky Posts: 558	Re: Over flow The nice thing is there are endless possibilities for custom overflow bottles. Colored juice jugs, thermos, small aluminum tank, the new Heinekin mini keg, etc., etc.

07-21-2008, 03:03 PM	#4
MacAttack 283 Drama Queen Join Date: Dec 2004 Location: Surf City, CA Posts: 2,435	Re: Over flow Most definitely an over-flow bottle. Are you running a shroud? Do you run a stock fan, or one with a modern design? Running that high at speed would drive me nuts. __________________ For about 12 years of my adult life I had a severe speech impediment. My ex-wife never let me get a word in edgewise.

07-21-2008, 03:08 PM	#5
rikbar Registered User Join Date: Jan 2004 Location: South Dakota Posts: 65	Re: Over flow Thanks guys, will add an overflow for it. The truck has the original shroud and stock fan. Not sure what thermostat it has in it yet. Again thanks. __________________ 1960 Chevy shortbox.

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