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Sanden 508 as Onboard Air compressor?

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GroundedSST

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Post Fri Aug 22, 2008 7:27 am

Re: Sanden 508 as Onboard Air compressor?

This was my parts list I drew up for my ram's EDC

Image
everything other then the compressor will be the same.


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idragmazda

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Post Fri Aug 22, 2008 8:47 am

Re: Sanden 508 as Onboard Air compressor?

GroundedSST wrote:http://onboardair.com/oil-return.htm

this is the concept. It can be built for much much less.


Do I need to run a valve like that? I'm just worried abotu forgetting to open it and close it. Can I just run it straight?
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GroundedSST

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Post Fri Aug 22, 2008 9:12 am

Re: Sanden 508 as Onboard Air compressor?

you don't have to run one at all, its just a matter of convenience. If you wanted to keep the engine bay clean I would go without and add oil myself.
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AfterhoursFab

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Post Thu Sep 04, 2008 9:58 am

Re: Sanden 508 as Onboard Air compressor?

i wouldnt recommend the oil return, youll be recycling more water than oil into your comp and that will decrease the life of the internals quickly. the Sanden I put on doesnt seem to push much oil at all.

as for the fittings and hose, the intake side is a -8 o-ring, discharge is -6. i have a local parts store that makes fittings, they took that a/c fitting and pushed a -6 hydraulic hose on it and crimped it with a universal ferrel. the a/c fitting has barbs on it tho, youll want to cut the first one off so you can get the hose on all the way, hydraulic hose does not stretch for shit!
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GMracer

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Post Thu Sep 04, 2008 1:34 pm

Re: Sanden 508 as Onboard Air compressor?

good topic, thanks for the info guys!
...back in the day
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drgn-hrdr-thn-ur-trk

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Post Tue Sep 30, 2008 9:42 am

Re: Sanden 508 as Onboard Air compressor?

i found this while doing some searches.

ImageImage

and this has vehicle references so if you want to keep your eye out for one.

jeeps seem to be pretty common.
http://www.polarbearinc.com/applications.htm
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//NC\\ New Jersey
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Slmd92DIME

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Post Mon Oct 06, 2008 12:06 am

Re: Sanden 508 as Onboard Air compressor?

How much psi will these comps build without being too hard on them? Thanks for all the info guys
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GroundedSST

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Post Mon Oct 06, 2008 6:46 am

Re: Sanden 508 as Onboard Air compressor?

Slmd92DIME wrote:How much psi will these comps build without being too hard on them? Thanks for all the info guys


You could probably run them over 200 easily.

If you blow one there like $20 at a junkyard to replace.
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AfterhoursFab

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Post Mon Oct 06, 2008 8:54 am

Re: Sanden 508 as Onboard Air compressor?

The Sandens are known to be very high psi comps, Ive seen them do 300psi altho I wouldnt recommend it. They however dont like large tanks, they seem to have a low duty cycle and big tanks kill them. The typical montra is Yorks are low psi (200 and under) and high volume, Sanden are high psi but low volume. If you keep the pressure down either one would be fine.
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Slmd92DIME

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Post Sat Feb 14, 2009 11:50 pm

Re: Sanden 508 as Onboard Air compressor?

What do you consider a big tank? I have 8 gallon on my old truck. Do you think that would be too much or are you talking like 12 gallon tanks being too much?
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