Undersize impellers - Reply to Topic

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Topic Review (Newest First)

  • 04-23-2009, 02:15 PM
    JohnnyNitrous
    It is a stainless "B" and is prepped by MPD so I would kinda like to use it. I mistakenly ordered a standard bronze from [email protected] without measuring it first. I sent it back and hes gonna take care of it. Thanks for the replies.
  • 04-23-2009, 12:57 PM
    cs19
    Quote Originally Posted by JohnnyNitrous View Post
    How far under can you go before the impeller needs replacing? Also, I can't get a bronze shouldered wear ring in the undersize I need, should I go with stainless shouldered or the ultimate wear ring?
    If there is a wear ring available that fits the impeller correctly you should be able to run it. Obviously the impeller will be thinner than it was at STD. at .030-.040 under but life goes on and it should not be a problem for a stainless, if its aluminum just get a new one cause its on its last leg anyways.

    It doesnt seem to bother some of these yahoos who go and cut .025 off a $1000 impeller just to make it fit in an $80 wear ring.

    Just like a crankshaft or any other parts, having them being correct size (STD.) is ideal for alot of reasons.
  • 04-23-2009, 11:08 AM
    IMPATIENT 1
    once i get to .40, its time for a fresh impellor. go with the ultimate wearring love em!
  • 04-23-2009, 11:06 AM
    Infomaniac
    Check PM's man

    Quote Originally Posted by Performance Jet View Post
    I have a bunch of .030 and .040 over ultimate rings been on my parts shelf for years. If you want to use that impeller I'll give you a good deal on a .030 over. PM me.. Jim www.performancejet.com
  • 04-23-2009, 10:07 AM
    Performance Jet
    I have a bunch of .030 and .040 over ultimate rings been on my parts shelf for years. If you want to use that impeller I'll give you a good deal on a .030 over. PM me.. Jim www.performancejet.com
  • 04-22-2009, 10:00 PM
    JohnnyNitrous
    Mine is 0.030 under.
  • 04-22-2009, 09:07 PM
    Performance Jet
    I don't like going farther than .025 Max. But people do it all the time. The S/S or ultimate will work fine. How far do you need to go? Jim
  • 04-22-2009, 08:52 PM
    JohnnyNitrous

    Undersize impellers

    How far under can you go before the impeller needs replacing? Also, I can't get a bronze shouldered wear ring in the undersize I need, should I go with stainless shouldered or the ultimate wear ring?

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