$120 for a gas cap

[alangbaker]

Can anyone point me to a better source for the gas cap/plug with o-ring that came with the original Honda conversion kits. I managed to lose mine.

I emailed Honda about it and they quoted me $120!

When I replied asking for the specifications of the part, I got nothing at all. What I can tell you is that it isn't a 16AN plug, although that was close. I THINK the threads might be M33x2, but does anyone know for certain?

I guess if I have to suck it up and pay Honda $120 for a go**amn gas cap, I will, but it galls me.

[Bob L.]

might give these folks a call... if not them, might have a lead...
https://www.fillernecksupply.com/sea...product&page=2

Okie

[alangbaker]

Thanks, Bob!

[R. Pare]

Are these something special made by HPD, or are they off of a Honda car? If simply off of a street car, you should be able to get one at almost any junk yard for $10 or less.

[alangbaker]

Are these something special made by HPD, or are they off of a Honda car? If simply off of a street car, you should be able to get one at almost any junk yard for $10 or less.

Sadly, according to Vincent with HPD, they had them specially made...

...and I was wrong about the $120: that's their cost. They want $140.26 for one.

[Daryl DeArman]

Sadly, according to Vincent with HPD, they had them specially made...

...and I was wrong about the $120: that's their cost. They want $140.26 for one.

That's only a 17% margin, looks like a steal.

Any requirement that you run their filler neck, or whatever it is you need to cap? Might be a better alternative.

[problemchild]

Some things from HPD are nicely priced, but the "machined from billet custom" parts are not. The thermostat housing is another, which I have previously offered an alternative. If someone else, with a cap, can create a drawing for you, a friendly machinist can likely make you one for 1/3 to half the price, or as suggested, just replace the whole assembly.

Some purchased components, like silicone coolant hose for example, were cheaper than I could buy elsewhere.

I bet he won't lose that gas cap again!

[EACIII]

So I am doing a hill climb in an old MG TC. I notice the car is starting to smoke. As I get to the finish line I am driving in a cloud of smoke but only had 100 feet to go and no place to pull off so I went for the finish line. I jump out of the car and checking the engine for where the oil leak is when a fellow hill climber comes over and hands me my oil filler cap. Told me he was watching the finish line and it rolled right up to his foot. Teach me to check and top up the oil before a run. Must not have latched down all the way

[alangbaker]

Some things from HPD are nicely priced, but the "machined from billet custom" parts are not. The thermostat housing is another, which I have previously offered an alternative. If someone else, with a cap, can create a drawing for you, a friendly machinist can likely make you one for 1/3 to half the price, or as suggested, just replace the whole assembly.

Some purchased components, like silicone coolant hose for example, were cheaper than I could buy elsewhere.

I bet he won't lose that gas cap again!

But why choose a "machine from billet custom" solution in the first place, Greg? It's not like finding an appropriate cap would be a difficult task...

https://www.summitracing.com/int/par...6erl/overview/

Translated to metric, a 16AN plug is M33.3375x2.117, yet for some reason, Honda chose to have a M33x2 o-ring plug custom made???

How in any reality is that at all sensible?

[JHerscher]

https://www.hydra-flex.com/solid-met...08-o-solid.htm

[Bob L.]

neat find, but somehow think he needed a cap, rather than a plug... I looked on that link for cap, didn't find, might be out there...

If needing a cap, perhaps buy that plug, then make a resin layup over it (put resin in a cup, set plug with waxed threads down into it from top, >>> make a plastic cap)? Not metal, but...probably would keep fumes in if o-ring or gasket on inside...

[alangbaker]

https://www.hydra-flex.com/solid-met...08-o-solid.htm

Thanks, John! See below.

neat find, but somehow think he needed a cap, rather than a plug... I looked on that link for cap, didn't find, might be out there...

If needing a cap, perhaps buy that plug, then make a resin layup over it (put resin in a cup, set plug with waxed threads down into it from top, >>> make a plastic cap)? Not metal, but...probably would keep fumes in if o-ring or gasket on inside...

Actually, that would work... ...I think.

I actually think it so much that I just ordered one of these:

The MS-S12 size (mild steel, and therefore in stock at only $3.81)

And a fellow Apexspeeder has offered me one from his Honda kit that he didn't end up using.

[problemchild]

How in any reality is that at all sensible?

Using that fuel cap is not required for the car to be legal. It is an optional item that the previous car owners chose to purchase. You can choose to buy another or not. Neither I nor HPD lost the part. It was your error. Making a big fuss about the cost of an optional part, after you made your error, is like complaining about the price of a new phone after you dropped your old phone in the toilet.

[alangbaker]

Using that fuel cap is not required for the car to be legal. It is an optional item that the previous car owners chose to purchase. You can choose to buy another or not. Neither I nor HPD lost the part. It was your error. Making a big fuss about the cost of an optional part, after you made your error, is like complaining about the price of a new phone after you dropped your old phone in the toilet.

Yes, Greg: i KNOW it was my error.

But that does not make HPD's CHOICE to use a custom built part into a sensible one.