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Old 11-05-2002, 08:42 AM
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Question Where did this coolant come from?

I can't figure out where this coolant is coming from. It's on both sides of the timing cover and never "overflows". It just stays at that level. I can't find the leak...
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Old 11-05-2002, 08:52 AM
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Probably thermostat housing gasket or timing cover gasket seeping a little bit. I would try to re-seal thermostat housing again first and file the gasket surface to make sure it is flat. BTW, you really need to remove those rubber caps and install a molded bypass hose. Water bypass is important when thermostat is closed. If thermostat ever sticks shut- then ZERO water circulation!
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Old 11-05-2002, 08:57 AM
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Had the same problem with my engine (351W), t-stat mount. I used a little tiny thin line of high temp rtv to form a seal. Been holding fine ever since.
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Old 11-05-2002, 09:36 AM
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I second the bypass hose remark. Resurface the theromstat housing, glue the thermostat and gasket in place on it before reinstall, it keeps the thermostat from falling down during assembly. Wipe everything dry, then see where that coolant is leaking from.
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In a fit of 16 year old genius, I looked down through the carb while cranking it to see if fuel was flowing, and it was. Flowing straight up in a vapor cloud, around my head, on fire.
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Old 11-05-2002, 10:56 AM
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Default Ah, now we see the "wisdom"...

Of the air-cooled *Vobra*
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Old 11-05-2002, 12:52 PM
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I'm using a CSI billet water neck that swivels and has an 'o' ring seal. No problem



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Old 11-05-2002, 01:07 PM
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Definately the thermostat housing. I recently replaced the thermostat on my Mustang and I have a puddle just like the one in your picture. Maybe someday I'll get around to fixing the leak, but time spent on fixing the Mustang is time not spent on building the Cobra.

Roscoe - what size braided hose did you use for the radiator hose?

Pete
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Old 11-05-2002, 01:16 PM
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That looks great....Roscoe...tell us what it is!!!

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Old 11-05-2002, 01:24 PM
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First off I use the CSI swivel billet waterneck. I run AN 16 hose to the CSI filler (you can see it in the right edge of the photo above.
This runs to my radiator. If your radiator does not have an AN fitting you can get an adapter from Goza. With an Edelbrock high volume alum pump and a 180 thermostat the car runs very cool. In fact, I had to change to a 180 from a 160 cause it ran too cool!

http://www.csiperformance.com/1024index.html



http://www.gozaracingproducts.net/gzrcooling.htm


OK Boys...open up those wallets and lets go!!
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Old 11-05-2002, 01:48 PM
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Why do you guys want AN radiator hoses? Your cooling system is not under great pressures, and most of you will still have to run a clamp-on adapter to mate the hoses to your radiator. Not to mention the bypass hose from the waterneck to the pump. They're heavier, much much more expensive, harder to plumb, no benefits over rubber hose, what am I missing here?
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In a fit of 16 year old genius, I looked down through the carb while cranking it to see if fuel was flowing, and it was. Flowing straight up in a vapor cloud, around my head, on fire.
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Old 11-05-2002, 01:53 PM
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Aesthetics...i assume.

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Old 11-05-2002, 01:53 PM
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They really look great!

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Old 11-05-2002, 01:55 PM
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Just wondering (because I don't know)... AN16 has an id of 0.88 inches, substantially less than say a 1.5 id rubber hose. Anyone know what happens to the pressure and flow rate when the smaller diameter AN hose is used? Would the increase in pressure cause the water pump's impeller to cavitate earlier (at a lower RPM)?

It must work (look at Roscoe's temp readings)!
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Old 11-05-2002, 01:55 PM
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When I bought the AN fittings for the double pumper, the guy at the speed shop, told me "It makes it look faster".

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Old 11-05-2002, 03:06 PM
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...It's called Go Fast Sh!T !!!! Doesn't really do much but it sure looks damm good...
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Old 11-05-2002, 03:14 PM
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That's the same philosophy as exemplified by the rice burner crowd. Spend all your money on parts that look fast, then wonder why you keep going slow. The money spent on those fittings and hoses could pay for a decent bowl blending/ pocket port on your cylinder heads.
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In a fit of 16 year old genius, I looked down through the carb while cranking it to see if fuel was flowing, and it was. Flowing straight up in a vapor cloud, around my head, on fire.
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Old 11-05-2002, 03:21 PM
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(hiding my head in shame)....sorry mr. fix-it. (running off to the store to buy rubber hose...) check e-bay for AN fittings blow out! I'm going to kick the habit!!!

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Old 11-05-2002, 03:23 PM
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HEY? What about my Aeroquip stock? Should I sell?

Roscoe
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Old 11-05-2002, 03:23 PM
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It's never too late to quit. The first step is admitting you have a problem.
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In a fit of 16 year old genius, I looked down through the carb while cranking it to see if fuel was flowing, and it was. Flowing straight up in a vapor cloud, around my head, on fire.
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Old 11-05-2002, 03:30 PM
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Join me tuesday nights for "AN-ANON"...it's a 12 step program.

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