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#1 |
Registered User
Join Date: Nov 2009
Location: Gilroy,CA
Posts: 193
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fitting on side of block?
what is this fitting? there is a plug on the driver's side, and this fitting on the passenger side, just above the exhaust manifold
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#2 |
Registered User
Join Date: Nov 2009
Location: Gilroy,CA
Posts: 193
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Re: fitting on side of block?
forgot to mention, it's a 1973 454 big block
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#3 |
Formerly- 1972SuperCheyenne
![]() Join Date: Oct 2008
Location: Wake Forest NC
Posts: 5,782
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Re: fitting on side of block?
Looks like whats left of a coolant temp sensor.
__________________
--Josh My Build Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=799218 A good crossthread is better than Loctite any day. Life is not about what you have, but who you have to share it with. |
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#4 |
Registered User
Join Date: Nov 2009
Location: Gilroy,CA
Posts: 193
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Re: fitting on side of block?
whatever it is, it looks broken for sure
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#5 |
optomistic ah-so
Join Date: Mar 2009
Location: Charlotte, NC
Posts: 544
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Re: fitting on side of block?
OWAITAMINUT!!!
![]() ![]() ![]() Those retard systems (no, I'm not making fun of anyone, the systems kill the advance when installed) use a temp sensor in the head to work, and in small blocks it's at the front of the passenger head. I suppose on big blocks it would have to be the side of the passenger head, and it would be dry (no leaks even when running) instead of reading from coolant. They don't seem to show up in manuals either.
__________________
Rubbing is Racin' Ribbing is Bench Racin' 1970 C-10 lwb Fleetside. Originally 350 2-bbl 3-on-the-tree, m/b, m/w, m/s no a/c. Currently running on a '76 Camaro 305. ![]() |
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#6 |
Registered User
Join Date: Aug 2009
Location: Lambertville MI
Posts: 962
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Re: fitting on side of block?
yea its your coolant temp sensor that got snapped off..
__________________
"I'll keep my guns, money, and freedom. You can keep the "change" |
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#7 |
optomistic ah-so
Join Date: Mar 2009
Location: Charlotte, NC
Posts: 544
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Re: fitting on side of block?
Have you put coolant in it this way (and does it run out the broken sensor)? My first thought was that someone tried to plug AIR passages in smog heads but that sensor looks like it broke when someone was trying to pull it to put another plug in that side; and that doesn't seem consistent with my thunk, AIR passages wouldn't have sensors...may have had vacuum switches though.
I also talked myself out of my second idea, 1973 seems too early for a knock sensor.
__________________
Rubbing is Racin' Ribbing is Bench Racin' 1970 C-10 lwb Fleetside. Originally 350 2-bbl 3-on-the-tree, m/b, m/w, m/s no a/c. Currently running on a '76 Camaro 305. ![]() |
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#8 |
Registered User
Join Date: Aug 2009
Location: Lambertville MI
Posts: 962
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Re: fitting on side of block?
it wouldnt leak out.. theyre solid all the way through. the only thing wrong with this picture is that his temp guage dont work.. (unless its hooked up somewhere else)
__________________
"I'll keep my guns, money, and freedom. You can keep the "change" |
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#9 |
Registered User
Join Date: Nov 2009
Location: Gilroy,CA
Posts: 193
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Re: fitting on side of block?
she hasn't run in over two years. I saved it from the DMV "amnesty program". I'm going to try and get her to turn over this week. I've been erradicating rodents and collecting parts since I got her. I have no idea if the gauges work
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#10 |
optomistic ah-so
Join Date: Mar 2009
Location: Charlotte, NC
Posts: 544
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Re: fitting on side of block?
No, back to plan A...I'm too tired and distracted with a few family members in the hospital and I thought I'd get my head straight by visiting the board again...gimme a big Nelson "ha, ha..."
That is where the regular old coolant temp sensor is on big block heads...I gotta play with more big blocks again sometime soon I guess.
__________________
Rubbing is Racin' Ribbing is Bench Racin' 1970 C-10 lwb Fleetside. Originally 350 2-bbl 3-on-the-tree, m/b, m/w, m/s no a/c. Currently running on a '76 Camaro 305. ![]() |
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#11 |
haha, ford guys...
Join Date: Feb 2007
Location: Visalia, CA
Posts: 576
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Re: fitting on side of block?
broken temp sender
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#12 |
Registered User
![]() Join Date: Jun 2007
Location: lemoore ca
Posts: 126
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Re: fitting on side of block?
Thats a temp sender passage. Keep in mind that there is no left head or right head so the threads for the temp sender will be on either side. One is plugged and the other will have the sensor. Early engines used a temp sender in the intake manifold but normally for your application the sender would go on the forward half of the drivers side causing the passenger side to have a plug. If it dont leak and you have a good temp sender on the drivers side head then dont mess with it. Just think of it this way, if you took the passenger head off and put it on the drivers side you would have a threaded boss to install your temp sensor. The gauge might work if they used a temp sender in the intake manifold. But either way that is the temp sender port for that year of engine. or its a place to install a plug because the sender is on the other side. Hope this clears it up for you.
Last edited by raws67; 03-08-2010 at 01:15 AM. |
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