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01-04-2018, 04:16 PM | #21 |
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Re: Temp sender for 5 Bird
The sensor(s) would have to be either in the cyl head or intake manifold water jacket before direction flow reaches the thermostat.
The coolant temp in the WP is much less as it is drawing cooled coolant from the radiator. You could use a brass TEE in the normal sensor outlet and use both electrical and mechanical sensors there or mount the mechanical sensor on the opposite head. If not tapped (showing welsh plug) it would have to be tapped.
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01-04-2018, 04:51 PM | #22 | |
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Re: Temp sender for 5 Bird
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The plugged matching hole on the passenger side looks to be the same size and may accept one of those bushings directly, but I don't have an easy way to measure them. Sensor thread size: '55 / '56 and earlier = 3/8 'pipe thread' '57 and newer is 1/4 pipe thread. http://www.classictbird.com/Bushing-...ctinfo/10911A/ http://www.classictbird.com/Bushing-...ctinfo/10911B/ . Last edited by dmsfrr; 01-04-2018 at 06:19 PM. |
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01-04-2018, 05:05 PM | #23 | |
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Re: Temp sender for 5 Bird
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01-04-2018, 05:36 PM | #24 |
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Re: Temp sender for 5 Bird
It was one of many unplanned 'learning opportunities' with my retirement project.
'58 heads with the small thread bushing trying to be mixed with the larger size '55/'56 temp sensor, in a 12v converted '55 needing an oem style dash temp gauge. . Last edited by dmsfrr; 01-04-2018 at 10:53 PM. |
01-04-2018, 09:47 PM | #25 |
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Re: Temp sender for 5 Bird
I can’t remember why I got into it (not surprising these days), but I think I verified once that the same bushing would go in the pass side head. Clearance will be a problem past the dizzy, almost certainly with a capillary gauge. Anytime I have the intake off, I drill a hole right up by the thermostat on the drivers side. I’ve used direct mount temp gauges and sensors for electric fans there. It does read a little different, you can see that with an infrared thermometer.
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01-05-2018, 07:47 AM | #26 |
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Re: Temp sender for 5 Bird
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Since I have not been around a Y-BLOCK since 1969.. Are these holes at either end of the head or at just one end? Wondering In W(BY GOD)V...
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01-05-2018, 11:39 AM | #27 | |
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Re: Temp sender for 5 Bird
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Left and right hand heads. Although all Y-Block heads can be installed on either side of the block, after years of exposure to coolant the .906" holes at the front of the intake surface will not accept a freeze plug. When choosing heads to be rebuilt be sure you have a usable left and right. http://www.ford-y-block.com/assemblyerrors.htm . Last edited by dmsfrr; 02-24-2018 at 07:10 PM. |
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01-05-2018, 01:37 PM | #28 | |
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Re: Temp sender for 5 Bird
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I am learning ... When I was dealing with fifties cars (late sixties), the Y-BLOCK was pretty much old tech compared to where the SBC had evolved and the first thing you did was look for a cheap take-out FE. It is amazing (to me anyways) how far this engine series has progressed from 1957.
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01-07-2018, 08:58 AM | #29 | |
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Re: Temp sender for 5 Bird
I stumbled across this-
Quote:
Gil's Garage Gil Baumgartner CTCI Authenticity Chairman Small cylinder head plug
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06-19-2018, 08:19 PM | #30 |
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Re: Temp sender for 5 Bird
I hope this isn't considered a necro-post, but i just found this thread and am having a related issue. I purchased a B6C-10884 sender online and received the one pictured below. It has 5/8" threads instead of the 3/8" I need for a '56 thunderbird.
Is the B6C-10884 different than the B6C-10884-A? Maybe I got something intended for a truck or other passenger car. In any case I'll be returning this unit. Thank you for any advice! |
06-19-2018, 08:59 PM | #31 | |
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Re: Temp sender for 5 Bird
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If yes it is the correct one for a '56. Those threads are tapered *NPT/pipe thread* and not measured the same way as bolt threads. Pipe thread is a plumbing thing, measured by the inside diameter of the pipe not the dia of the threads. A 5/8 dia for the threads is the correct 3/8 'pipe size' for a '56 T-Bird temp sensor. Did you compare the new one to the existing temp sensor in the head? Is it the same size? IIRC there are only 2 sizes for Ford Y-block engines. If the one in the head is the smaller size (photo #1 below) it's probably a '57+ head. http://www.ford-y-block.com/cylinderheadchart.htm . Last edited by dmsfrr; 06-21-2018 at 08:33 AM. |
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06-24-2018, 04:12 PM | #32 | |
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Re: Temp sender for 5 Bird
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06-24-2018, 04:59 PM | #33 | |
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Re: Temp sender for 5 Bird
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If you're curious what year heads you've got... http://www.ford-y-block.com/cylinderheadchart.htm There is no temp sensor that fits into the smaller hole that will let an oem '56 temp gauge work right. A '56 gauge & sensor need to be a year matched pair to have any chance of indicating the temp correctly. Been there, done that. (reply #24 above) It is possible to re-thread the bushing in the head to fit the larger ('56) temp sensor. Was an incorrect or a non-existant temp reading your original "related issue" ? Last edited by dmsfrr; 06-24-2018 at 09:00 PM. |
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06-28-2018, 06:59 PM | #34 | |
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Re: Temp sender for 5 Bird
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So the fun continues! Received my '57 sender in the mail, and even it is way too large to fit! Finally doing what I should have done first, I measured the sender from the car -- according to NPT guidelines it's a 1/8" NPT. Using a magnifying glass, I found "TS-17" stamped on the sender bolt head. According to the Interwebs, this is a replacement for anything from a '63 Ranchero to a '71 Pinto! The Good news is I now know exactly what I need to order. The bad news is I have no Earthly idea where these heads came from, and there's no easily viewable stamps without removing valve covers and/or exhaust manifold. Thank you for all your help! Your engine looks gorgeous by the way -- mine, not so much! Regards, Matt Reeves |
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06-28-2018, 07:18 PM | #35 | |
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Re: Temp sender for 5 Bird
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Depending on what year the heads are, and if you've got a small mirror, you might find the casting numbers here (yellow circles, photo 1). The numbers on these heads are also in the same spots on the rear of the heads. Thanks, it took me long enough. The previous photo and these two are about 2 yrs old, and took a bit longer to get this far. Keep working on it, you'll get there. . Last edited by dmsfrr; 06-29-2018 at 07:08 AM. |
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07-06-2018, 03:02 PM | #36 | |
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Re: Temp sender for 5 Bird
Quote:
So I got the new sender installed, but no change. I shorted the connector lead directly to ground, and the needle goes from H to C in less than 5 seconds when I turn up the ignition. When connected to the sender, the needle takes well over a minute to go down to C. Maybe need to clean the block grounding strap (if there is one)? The new sender came with thread tape on it, so maybe I need to cut some of that off as well. I'll keep playing around with it. Thanks again for all your advice! r/ Matt |
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07-06-2018, 06:49 PM | #37 | |
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Re: Temp sender for 5 Bird
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The 56 FORD/BIRD had a unique wiring system which has been described very well within this thread. If the replacement sender you have received requires a CONSTANT VOLTAGE REGULATOR within the circuit, it will not give a correct reading. Only the B6C 10884-A sender will work. The only choice I see is to install the correct bushing and that may require more effort and money that you want to deal with. The bushing, while fairly easily replaced, may have corrosion damage in the head at the bushing and when pulled out may not reseal properly requiring an overbore and OS bushing (removing head).
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