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Kirkham Motorsports

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  #1 (permalink)  
Old 04-22-2009, 03:30 PM
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Default 351 w thermostst bypass

I'm trying to come up with something that will look good for my by pass line back into my water pump. Anything would be appreciated. Thanks
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Old 04-22-2009, 04:50 PM
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How about this?
http://www.breezeautomotive.com/deta...=723&cat_id=17
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Old 04-22-2009, 05:01 PM
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OMG Matt. $27 for that. I picked up the very same hose at Schucks for less than $5. You Ca. guys have too much money.

Jim
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Old 04-22-2009, 06:29 PM
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OMG Matt. $27 for that. I picked up the very same hose at Schucks for less than $5. You Ca. guys have too much money.

Jim
that's a 1.25" to 1.5" 90 degree reducer,, that's one big bypass!
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Old 04-22-2009, 07:55 PM
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that's a 1.25" to 1.5" 90 degree reducer,, that's one big bypass!
Good catch. I was going by the fact that it was the water pump bypass, not the actual measurements.
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Old 04-22-2009, 09:10 PM
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What hose are you attempting to replace?
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Old 04-24-2009, 09:09 AM
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It's a new motor. The guy that helped me build it said he prefered to run it with the original by-pass. I know sone opt to plug and drill holes in the thermostat. It's a tight corner and different thread size out of the adapter and into the water pump. Thanks
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Old 04-24-2009, 09:35 AM
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auto parts store should have the black hose, pretty common, unless your into the looks good thing, then i don't know what you would use.

speedway has high flow 180" thermostat with drilled holes for $10, you could use this and plug the bypass with aluminum plugs if they're threaded, they look good.
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Old 04-24-2009, 10:54 AM
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For a street car, I would not plug the hose. You need it for even heating before the thermostat open. The 1/8" hole in the thermostat isn't big enough to accomplish that.

I havn't seen anything off the shelf that looks better. You could use 2 45* AN fittings and some braided line.
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Old 04-24-2009, 10:59 AM
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the speedway thermostat has 3, 1/8" holes

just made a run with the speedway thermostat, held the temp real good, lots better then the oem 195 with two drilled holes.

Last edited by vector1; 04-24-2009 at 11:45 AM..
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Old 04-24-2009, 07:34 PM
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Default Bypass Hose

Use the OEM setup if at all possible, you will get the best results. Do not attempt to re-invent the wheel. Get the 90 degree 5/8" hose that goes from the water pump to the thermostat housing, it is foolproof, get a "balanced" Robert Shaw Brass thermostat. They are often repackaged by Mr Gasket and others, don't get carried away drilling holes.
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Last edited by Rick Parker; 04-24-2009 at 07:38 PM..
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Old 04-27-2009, 11:26 AM
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oops, wrong part:
http://www.breezeautomotive.com/deta...=357&cat_id=17

But still alot more expensive than the $5.00 auto parts store version. Add shipping . . . ugh!
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Old 04-28-2009, 01:25 PM
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My water pump has 5/8" hoses, as did my original thermostat housing. I put a Kirkham SB surge tank/housing on the car a couple of months ago, and it has a 3/4" port for the bypass. I purchased and installed an Autozone #3009 (90 degree 5/8 to 3/4) hose. Sorry, I don't remember how much it cost.
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