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» Northern California Ford Owners     » Automotive   » Tech Talk   » HOW DO YOU DO A LEAK DOWN TEST

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Author Topic: HOW DO YOU DO A LEAK DOWN TEST
99gt-UJSTLST
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Member # 584

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Well im goin to check my compression on my 99gt

I took off the sparke plugs off yesterday and noticed oil deposite on my # 2 plug Im hopeing Im just trippin and the oil came from oil that I spiled into the plug but need to make sure

but was wondering what I need to do a leak down test and how to do it properly since I have never done one

thanks for the info

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SOUTH BAY STANGS
MINOR BOLT ON'S

www.southbaystangs.com

Posts: 2558 | From: SAN JOSE CA | Registered: Nov 2001  |  :
93PONY
Mr. Valve Events
Member # 60

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You'll have to buy the tester....Don't remember how much they are, but I did see one the other day online for ~$50. You'll also need an air-compressor. Instructions come with the tool.

Good luck.
I'm going through the same thing....Pretty sure I blew a HG w/only 120 miles on the new motor... She's comin' out now!

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www.advancedenginedevelopment.com
SCT dealer
Dynotuning

(916)715-7569

Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000  |  :
99gt-UJSTLST
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I think I have a bent valve guide
its like #2 #3 and #4 have a little oil on then i dont want to pull it out any more I swear if I have to pull the damm thing out Im just goin to buy a used motor and run it stock

couse putting money into it right know is killing the chance of buying a house

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SOUTH BAY STANGS
MINOR BOLT ON'S

www.southbaystangs.com

Posts: 2558 | From: SAN JOSE CA | Registered: Nov 2001  |  :
Stimson
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Member # 51

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Check out the links I posted here:

http://www.cafords.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=6;t=000970

Who built your motor? It sounds like its having a lot of problems.

Posts: 2373 | Registered: Jun 2000  |  :
93PONY
Mr. Valve Events
Member # 60

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I hear ya!
I've been chasing down oil & water leaks for 2 weeks now! Pulled the Tremec 4 times, changed the rear main twice, pulled the engine out (just a little for clearance) too many times to count, changed the lower intake/gaskets 4 times & now I'm pullin' it for HG's!!! Oh, & I've only got 3 more weeks to work out all the bugs before Byron chips it....
Ah well, it'll be WELL worth it when we're done. [Wink]

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www.advancedenginedevelopment.com
SCT dealer
Dynotuning

(916)715-7569

Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000  |  :
naych
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Member # 223

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Yo guys sorry to hear about all your problems.. i guess we are all on the same boat because i am still chasing my problems.. Got magnaflow catback in order and 2.62 pulley.. Hope this will get me into the 400+ teams... Good luck to you guys..

Naych

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2001 GT Laser Red Tint
Full Saleen Conversion
Vortech SQ with 2.87 Plly
04 Escalade
white diamond on 24's(stolen)
05 yamaha r1

Posts: 308 | From: sacramento, ca. usa | Registered: Apr 2001  |  :
70chevellemuscle
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Member # 1743

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for a cylander leakdown tester, its about a $100 bucks. ive been doing that lately in my auto shop class and its pretty easy, if u have any questions, pm me

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"River City Chevelle"
>>>>Car Club<<<<
Mods:
2 chamber flowmaster exhaust system
Hokker Super Comp headers
Auto Meter monstar tack
15x10 crager SS rims w/ 295 drag radials
Holly 670cfm Street Avenger carb
Edelbrock Torker 2 manifold
H.E.I. Distributor

Soon to come:
383 w/435hp(give me about a year),
12 bolt posi rear end,
Island blue paint,
S/S hood w/working cowl,
and cam(dont know which one yet)

Posts: 156 | From: roseville | Registered: Aug 2002  |  :


 
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