Any disadvantages to running a vaccuum pump? (for oil)

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Duane said:
I have heard that too much vacuum can mess with wrist pin oiling.
I'm gonna give a pump a try on my motor.

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My builder has sworn by his, he's ran it 5 seasons if I recall & like I mentioned swears by it, in the catch fuel has a chance to flash off, no moisture allowed to set in, like if you have L19 arp rod bolts which will immediately start rusting. I haven't yet spoke about the too much vacuum side but I've seen his engine, watched it run down the track & trust his opinion. Nice motor, is that plate A.R.E. ?
 
MOPARMAGA said:
My builder has sworn by his, he's ran it 5 seasons if I recall & like I mentioned swears by it, in the catch fuel has a chance to flash off, no moisture allowed to set in, like if you have L19 arp rod bolts which will immediately start rusting. I haven't yet spoke about the too much vacuum side but I've seen his engine, watched it run down the track & trust his opinion. Nice motor, is that plate A.R.E. ?
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Yes A.R.E. slightly modified and anodized.
 
Duane said:
No I had that done here locally. I may end up regretting doing that down the road lol, but it looks nice for now.
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Looks great to me, Thanks for the inspiring photos !
 
Duane said:
I have heard that too much vacuum can mess with wrist pin oiling.
I'm gonna give a pump a try on my motor.

View attachment 1715690233

View attachment 1715690234
Click to expand...
In case you were wondering where the water pump is?

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