Author Topic: Plate to Preassure check FE heads  (Read 1501 times)

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dozz302

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Plate to Preassure check FE heads
« on: December 29, 2024, 05:43:21 PM »
Does anyone make a plate to be bolted to a FE head on the intake port side so it can be pressure checked for cracks? I have a plate for the deck surface side.
« Last Edit: December 29, 2024, 05:47:28 PM by dozz302 »

fekbmax

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Re: Plate to Preassure check FE heads
« Reply #1 on: December 29, 2024, 06:04:56 PM »
I use a torque plate and a piece of gasket material. 
An old head and sheet of gasket material works.
« Last Edit: December 29, 2024, 06:06:40 PM by fekbmax »
Keith.  KB MAX Racing.

MeanGene

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Re: Plate to Preassure check FE heads
« Reply #2 on: December 31, 2024, 12:14:48 PM »
I was planning to make one from a piece of 1/2" plate I have that's about the right width, figured I'd cut it to size and trim one side on the Bridgeport or take it down to the neighbor's speed shop. Would be pretty easy to drill n tap a hole for a gauge and air input, and just use the honing plate for the other side. Seems a good idea as I have a couple sets of Dove heads, and one set was bought with the understanding that there were a couple leaks

dozz302

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Re: Plate to Preassure check FE heads
« Reply #3 on: January 06, 2025, 04:36:02 PM »
I think I'll just buy a 1/2" thick piece of aluminum as long as the head and drill holes to bolt it to the head. I'm thinking just a bead of sealant would be good and bolt it right to the head? Do you really need a gasket for this?

galaxiex

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Re: Plate to Preassure check FE heads
« Reply #4 on: January 06, 2025, 09:13:18 PM »
I think I'll just buy a 1/2" thick piece of aluminum as long as the head and drill holes to bolt it to the head. I'm thinking just a bead of sealant would be good and bolt it right to the head? Do you really need a gasket for this?

I'd use a gasket, less messy than dealing with some kind of sealant.

You can buy gasket material in sheets or rolls.
I use 1/16 thick paper/rubber type gasket material.

I contact glue the gasket material to the test plate.

I've seen thin rubber sheet glued to test plates as well.

That way it's always ready to go, just bolt it on, no messin' with sealant.
Every 20 minute job is 1 broken bolt away from becoming a 3 day ordeal.

superduty

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Re: Plate to Preassure check FE heads
« Reply #5 on: January 10, 2025, 12:24:17 AM »
I found a good material for this type of gasket at Home Depot plumbing department. It's a tough rubbery material used under

tile for making a shower pan. It's sold by the foot off a roll so you can get any amount you need. I made head gaskets with it

so I could pressure test an engine block, used a small ball peen just like I would for a paper gasket.