Fuel Injection head temp extension In stock!, Improves cold running Options

[914ltd]

I first used these while working at a Porsche dealership in the early 70's. I believe we purchased them from a VW dealer.
This little device slows down the heat getting to the head temp sensor and after initial warm up, it has no effect on running. $30. with 2 copper seal rings. Post included
Does not include the head temp sensor.

[914ltd]

More available. $30. with post

[StarBear]

More available. $30. with post

It seems (?) that this might make the CHT sensor easier/faster to replace (if the extension stays in place)?
What’s the likelihood that removing the CHT unscrews the extension, too?
Interesting potential.

[914ltd]

More available. $30. with post

It seems (?) that this might make the CHT sensor easier/faster to replace (if the extension stays in place)?
What’s the likelihood that removing the CHT unscrews the extension, too?
Interesting potential.

Hopefully you won't need to remove the CHT often.
It's probably about 50/50 that it would stay in the head unless you use Locktite. A small dab of anti seize on the CHT itself would also help.
Keep in mind you are installing a steel threaded part into the much softer aluminum cylinder head. The threads can strip out easily. Brad

[DC_neun_vierzehn]

More available. $30. with post

It seems (?) that this might make the CHT sensor easier/faster to replace (if the extension stays in place)?
What’s the likelihood that removing the CHT unscrews the extension, too?
Interesting potential.

Hopefully you won't need to remove the CHT often.
It's probably about 50/50 that it would stay in the head unless you use Locktite. A small dab of anti seize on the CHT itself would also help.
Keep in mind you are installing a steel threaded part into the much softer aluminum cylinder head. The threads can strip out easily. Brad

@914ltd I bought one of these from you a while back, but have not installed yet. I'm looking for guidance on installing the extension for someone who's never installed a CHT nor an extension.

1. Obviously, I don't want to strip the cylinder head. Is there a torque LB you recommend for the extension into the head ... hand tighten only?

2. Same question for the CHT on the extension - what torque should I use?

3. Lastly, should I install the CHT on the extension first, then install the extension into the CH?

Thanks in advance.

[914ltd]

More available. $30. with post

It seems (?) that this might make the CHT sensor easier/faster to replace (if the extension stays in place)?
What’s the likelihood that removing the CHT unscrews the extension, too?
Interesting potential.

Hopefully you won't need to remove the CHT often.
It's probably about 50/50 that it would stay in the head unless you use Locktite. A small dab of anti seize on the CHT itself would also help.
Keep in mind you are installing a steel threaded part into the much softer aluminum cylinder head. The threads can strip out easily. Brad

@914ltd I bought one of these from you a while back, but have not installed yet. I'm looking for guidance on installing the extension for someone who's never installed a CHT nor an extension.

1. Obviously, I don't want to strip the cylinder head. Is there a torque LB you recommend for the extension into the head ... hand tighten only?

2. Same question for the CHT on the extension - what torque should I use?

3. Lastly, should I install the CHT on the extension first, then install the extension into the CH?

Thanks in advance.

You would want firm contact with the copper (or aluminum) washers for good heat conduction. There is no published torque but I would think 10 LB would be sufficient. Read the above post for more information. Brad