I'm putting together a 14mm non ic VE pump and am gonna run it on the bench at school. I'm wanting to loctite the front seal so i can run more inlet pressure without blowing it out and have heard of many people doing this. So do I just pull the seal out, put some red loctite around the outside of it then slip it back in or whats the trick?

I thought about making a retainer plate and drilling and tapping into the front housing of the pump but I'm not sure if there is enough meat there and You can't go down on the pump flange since the one round spot of the pump fits inside the hole in the front case. I thought about even tigging a small retainer plate in but don't want to heat or melt the seal. I have heard of people machining or trying to machine a groove in front of the seal to put a snap ring in. This would be ideal and I'm thinking about trying that with a spare pump I have that I want to experiment with. I also thought about peening over some of the aluminum in spots to help hold the seal down after loctiting it, but I'm not sure how well that'd work either.

So if any of you have loctited your front seal to run 20+psi of inlet pressure, what is the trick and how long has it worked? Or do any of you have any other ideas to help keep the seal from blowing out and filling the crankcase full of fuel? Thanks in advance

 

1st off dont reuse that seal, a new one is cheap insurance. All I did to mine is red loctite on the outside surface but I`m not running high inlet psi, just whatever a LP piston pump`ll make (10-13 psi?)

 

Someone on 1stgen.org made a retainer ring...

Here it is:

http://1stgen.org/viewtopic.php?f=4&t=11637&p=91572

 

mine ran 21-22 psi

loctite probably won't work the best on the surface only. it hardens when there is a lack of oxygen like when two surfaces mate.

 

Use it on the retaining surface of the seal. Mines been going strong for 3 years at 9psi idle and 60psi at max boost pressure.