Gen IV 454 mag question
12-02-2003, 03:07 PM
#1
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Gen IV 454 mag question
Anyone know if the drain holes in the block are petcocks (sp?) (like a radiator type) or more like a bolt that you need a socket or wrench to open?
12-02-2003, 03:11 PM
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They are like brass wing nuts - similar to a radiator petcock but not.
I found that a 1 inch socket (or there-abouts) and ratchet will slip over the "wings" and make removal easy.
PS - its Mark IV, not Gen IV. Gen started with the V - go figure
I found that a 1 inch socket (or there-abouts) and ratchet will slip over the "wings" and make removal easy.
PS - its Mark IV, not Gen IV. Gen started with the V - go figure
Last edited by Reddog; 12-02-2003 at 03:13 PM.
12-02-2003, 03:32 PM
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I generally use a small adjustable wrench on them. Be sure to save them. Those are the good petcocks and they are getting hard to find.
12-02-2003, 05:08 PM
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Petcocks in center of block jacets between3 and 5 and 2 and 4 cyclinders left and right one above oil cooler left side other 12 inches back of fuel filter and pump . Make sure put wrench on brass sleeve and also one on plug. Best to back petcock all the way out or sand rust gets in threads and next year they will be a bear to remove.
12-03-2003, 03:03 AM
#7
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my 1990 454 and 1997 502 mpi had the wrench style 6 sided plug.9 /16 wrench.My 2001 500 efi has the blue plastic plugs a lot easyier
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Last edited by Strip Poker 388; 12-03-2003 at 11:35 AM.
