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Leakdown tester for STOCK carbs / intake / cylinders


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Parts you will need ...

 

(2) 6" sections of 1" SCH 40 PVC for STOCK intake size

They sold me a 3' scrap piece at Standard Plumbing for .80$

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(3') @ .80 $

 

 

(2) 1" SCH 40 PVC caps .... http://www.standardplumbing.com/index.html..._1_pvc_slip_cap

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(2) @ .59$ each = $1.18

 

(2) Fernco QC101 "JIM caps" for the STOCK cylinder exhaust outlets ... http://www.standardplumbing.com/index.html...o_1_1/2_jim_cap

qc101.gif

(2) @ 2.09$ each = $4.18

 

(1) Metal valve stem ... http://cgi.ebay.com/ebaymotors/1.20%22-LON...bayphotohosting

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eBay (1) @ 2.49

 

(1) pressure gauge ASHCROFT brand Part # 20W1005 H 02L 0-15psi ... http://cgi.ebay.com/ws/eBayISAPI.dll?ViewI...alenotsupported

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eBay @ 9.95 + ~3.05 shipping = $13.00

(you actually get a "lot" of TWO gauges ... sell one to your friend for $7)

 

I'm sure you can figure out the assembly ... drill the to PVC caps out, one for the valve stem, the other for the gauge (1/4 NPT thread, I drilled and tapped it).

 

Primer and Cement Glue the caps with the gauge and valve stem onto the 6" pieces of PVC

 

Use the Fernco "Jim caps" to cap the exhaust outlets (tighten then pretty tight)

 

Fill CAREFULLY or with a SMALL air compressor to 6 PSI and watch / time the pressure / leak-down

 

~DaVe

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