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Old 07-22-2023, 11:00 PM
asw20c asw20c is offline
Join Date: Jun 2010
Location: Edgewood, NM
Posts: 246
Default Fuel Spider on EXP Engines

In the last page or two of the plans there is an admonishment that if your fuel spider has a fluid fitting in the gage port that it should be removed and replaced with an NPT plug. Sure enough, mine has the fluid fitting but to remove it it isn't a simple matter of just unscrewing. Because it is a 45 degree angle fluid fitting, and how close it is to the top of the engine, you can't unscrew it without it hitting the top of the engine. The only solution I can see is to remove the spider first, which probably means disconnecting the fuel line to each cylinder too since I don't know how much play there is without damaging them. I'm assuming I'm not the only one with this fluid fitting in the spider. How have others dealt with this?
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Old 07-22-2023, 11:19 PM
PilotjohnS PilotjohnS is offline
Join Date: Jan 2016
Location: Southwest, USA
Posts: 2,960
Default Metal cap

I put a proper metal AN cap on mine.

I think the problem was people were leaving the plastic cap on and not replacing the plastic shipping cap with a AN cap. JMHO
John S

WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for their use.

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Old 07-23-2023, 07:31 AM
Bavafa Bavafa is offline
Join Date: Oct 2007
Location: Sacramento, CA
Posts: 4,511

I did as John but removing those lines and spider is not a big deal and easy to do.
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Old 07-23-2023, 05:53 PM
1949MGTC 1949MGTC is offline
Join Date: Jul 2018
Location: Freeport,FL
Posts: 51

Mine came with an AN cap on the 45 fitting.
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