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What is the cynlinder head "part" name

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Old 11-03-2018, 02:33 PM
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Car: 1991 Firebird Formula
Engine: 305 TBI
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What is the cynlinder head "part" name

1991 firebird formula tbi.-what is the part that screws into the cylinder head between the #1 and # 3 spark plugs and has one wire connected to it?
Old 11-03-2018, 03:23 PM
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Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: What is the cynlinder head "part" name

Engine coolant temperature sensor. For the dash gauge.

GD
Old 11-03-2018, 04:07 PM
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Re: What is the cynlinder head "part" name

Thanks GD.
My wire is missing so I will have to look underneath the car; It must be there somewhere.
Old 11-03-2018, 05:46 PM
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Re: What is the cynlinder head "part" name

Better "parts store counter name" is, temp gauge sending unit.

The wire is dark green.

Last edited by sofakingdom; 11-03-2018 at 05:56 PM.
Old 11-04-2018, 09:11 AM
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Re: What is the cynlinder head "part" name

Originally Posted by sofakingdom
Better "parts store counter name" is, temp gauge sending unit.

The wire is dark green.
Thank you; I'll find it.
Old 11-04-2018, 01:57 PM
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Re: What is the cynlinder head "part" name

Comes out of the harness on top of the engine and goes over the valve cover.
Old 11-04-2018, 02:39 PM
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Re: What is the cynlinder head "part" name

Originally Posted by sofakingdom
Comes out of the harness on top of the engine and goes over the valve cover.
Thanks again; help is always great.
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