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Author Topic:   testing the system
MAV
Journeyman

Posts: 94
From: Macon,Georgia, U.S.A.
Registered: Mar 2002

posted 02-17-2003 05:36 PM     Click Here to See the Profile for MAV   Click Here to Email MAV     Edit/Delete Message   Reply w/Quote
Ok I borrowed a pressure tester from a freind
and He said I should put it on and pump it up to almost the "danger" zone (20+) and remove all of the spark plugs then leave it pumped up over night. In the morning cross the switch and see if any water shoots out of the sparkplug holes. He said thats the way he did it at the dealerships he has worked at and it works well.
SO I did as he said ,and so far I haven`t heard any noises from anywhere and the guage is falling like 5 psi per hour. I guess in the morning I`ll go out and cross the switch
like he said and see what happens.

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http://maverickgrabber.iwarp.com

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Glens67
Gearhead

Posts: 217
From: Petaluma
Registered: Mar 2002

posted 02-17-2003 08:14 PM     Click Here to See the Profile for Glens67   Click Here to Email Glens67     Edit/Delete Message   Reply w/Quote
TURN IT ONE REVOLUTION BY HAND.
You might find more problems if you use the starter. Trying to force a qt. of water out of a spark plug hole might blow a cylinder or break a rod. Rember the dealerships are in it for money.

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Glen
67 GT 390
65 Galaxie 500 XL 4 Speed
It was not a Red Light they gave me a Slow Tree
I WAS NOT LATE the Tree was Fast

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Moneymaker
Administrator

Posts: 18704
From: Lyons, IL, USA
Registered: May 99

posted 02-17-2003 08:42 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
It shouldn't leak at all!
Try tightening all of the hose clamps, then re-test.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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MAV
Journeyman

Posts: 94
From: Macon,Georgia, U.S.A.
Registered: Mar 2002

posted 02-17-2003 10:35 PM     Click Here to See the Profile for MAV   Click Here to Email MAV     Edit/Delete Message   Reply w/Quote
Well I went out after 4 hours and it had leaked down to zero. I turned the engine over and had NO antifreeze come out of the cylinders (Feel better)I looked all around the cylinder heads and block with a flashlight...Nothing. I decided to pull the dipstick and see what the oil looked like...Perfect! So I retightened all of the hoseclamps and pumped it back up to 20
I`ll take a look again in the morning.
Thanks for the tips guys.

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http://maverickgrabber.iwarp.com

[This message has been edited by MAV (edited 02-17-2003).]

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Tea'sGrabber
Journeyman

Posts: 66
From: Seattle, Wash.
Registered: Feb 2003

posted 02-17-2003 11:52 PM     Click Here to See the Profile for Tea'sGrabber   Click Here to Email Tea'sGrabber     Edit/Delete Message   Reply w/Quote
Mav get some sleep!!!!! Mine did the same thing for 3 years.... Until I got rid of my high flow super trick cavitating waterpump.Is your radiator a crossflow or a downflow???? What you're seeing is most likely cavitation not a headgasket.... They blow big bubbles and foam.. Get rid of the glycol(coolant) until the motor seals. If your radiator is alum. The thing needs to be drained and flushed a couple to get rid of all the flux and chemical residue. Too much coolant isn't headgasket friendly. Use some waterpump lube and water. Good luck!!!

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MAV
Journeyman

Posts: 94
From: Macon,Georgia, U.S.A.
Registered: Mar 2002

posted 02-20-2003 10:27 PM     Click Here to See the Profile for MAV   Click Here to Email MAV     Edit/Delete Message   Reply w/Quote
I ran the engine and let it warm up all the way with the checking tool installed,I let it get to 190 (fan was turned off) and was reving it Quickly to 4,000 rpm . I also held the engine at 3,000 for a few seconds.
The result was NO increase in pressure on the Guage! This tells me I cant have a compression leak going into my cooling system and now I`m a happy camper indeed!
Thanks for the help and suggestions on this guys! I think I`ll tweak on my carbs a little more (squirters),then take it up the road and
let it rip some!

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http://maverickgrabber.iwarp.com

[This message has been edited by MAV (edited 02-20-2003).]

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Moneymaker
Administrator

Posts: 18704
From: Lyons, IL, USA
Registered: May 99

posted 02-20-2003 11:07 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
See how valuable a cooling system pressure tester can be????

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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