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Best way to do a home port job on a s/c and LIM

DWosik13

DWosik13

New member
anyone have any advice or write ups on the subject i have been looking for a while now but cant find anything
 


I dunno about home-porting the supercharger, but I did my LIM with a Dremel, router attachment, carbide "teardrop" bit, and A LOT of passes ;)

Used a bit of plywood bolted to the LIM in various configurations as a guide:

MachLIM001.jpg

MachLIM002.jpg

MachLIM003.jpg
 
An astute observation, but not a reason why one should not port the LIM if not porting out the H-bar.

My reasoning is that porting the LIM will expose more of the hot air in the LIM to the IC core surface, whether or not the H-bar is removed.

I can see it being potentially true that also porting out the H-bar is even better for exposing hot air to the IC core; but tell me, what harm will come of porting the LIM but not porting out the H-bar?
 


agrazela said:
An astute observation, but not a reason why one should not port the LIM if not porting out the H-bar.

My reasoning is that porting the LIM will expose more of the hot air in the LIM to the IC core surface, whether or not the H-bar is removed.

I can see it being potentially true that also porting out the H-bar is even better for exposing hot air to the IC core; but tell me, what harm will come of porting the LIM but not porting out the H-bar?
Click to expand...

with an intercooler then youre fine, but if you port the lower intake like that without an intercooler then youll need to machine out the h-bar too so you can match the openings on each.
 


here is what my blower port looks like:

Picture042.jpg


the slits are filled with an aluminum epoxy that you can buy at the counter of NAPA.
 
looks like it wasnt taken down past the casting that far... i can still see those numbers lol. I tell you the best way to do it is a router, thats how i do it, and it turns out great, perfectly flat and use a straight edge. Takes 10 min tops.

Logan
 


minichopper6hp said:
looks like it wasnt taken down past the casting that far... i can still see those numbers lol. I tell you the best way to do it is a router, thats how i do it, and it turns out great, perfectly flat and use a straight edge. Takes 10 min tops.

Logan
Click to expand...

A router? Like you'd use for woodworking? I imagined that's what you've been using on the phenolic you've been working with, but I never would have imagined using that on aluminum.

What speed, and what type of bit?
 
regular carbide, full speed :) cuts perfectly. little slower then phenolic obviously, but if you keep it braced up nice (takes more control then wood) then the bits last a while.
66627.gif
 
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