12v 53 block? id help needed.

crewcabxlt

crewcabxlt

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Apr 1, 2008
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we have a 98 ford ryder truck on the farm we put a flatbed on to haul hay. has a 12v 175 p-pump. lots of power but truck is too light for 10 ton of hay. might use the motor to put in another ford crewcab. block has a cast rear oil drain like a 24v but its cast solid, not just plugged. has #s 21h6 or 2Ih6 under vacuum pump. under the oil filter it has ah-ph seen this on other blocks. only concern i have is under th alternator it has a small 1/2 inch tall 53 cast under a small dails or clock symbol. i doubt its a "53" block but want to be sure. cuold try and get pics if needed. thanks for any info.
 
I have a 98 12v which is a 53 it's larger than a 1/2" tall.Not all "53" blocks were bad mine has no flaws in it and I hope it stays that way..............knock on wood.
 
I've run (2) 53 12V motors and have zero issues with them, both are storm blocks.

Jim
 
as far as i know all 53 blocks are storm and i parted a 98 12v auto a year or so back had 670k on it all was fine.
 
What does "storm block" mean?Is it just because of them being prone to leaking??
 
cliff-1972 said:
What does "storm block" mean?Is it just because of them being prone to leaking??
Click to expand...

STORM is in reference to the thread ports in the block.

Straight
Thread
O-
Ring
Metric

Before that it was pipe thread...
 
or at a glance has two turbo oil drains and block heater threads in not in a freeze plug like earlier 12v blocks.
 
ok, thanks. heres a twist- this block has the same block heater in the freeze plug like earlier 12v. freeze plug is 2 1/4" size same as 1st gen plug ! i thought 24 v had smaller freeze plugs? dont have a 24v block in the shop to compare too, sold it last week. can anyone verify 1st hand a 12v block cracking?
 
Thanks for clearing that up for me,guys!But when I here storm and 53 block I only think of leaking blocks:doh:
 
i've seen 7 or 8 12 valve 53 blocks, all of them over 200k, and none of them cracked
 
i had about 220k on mine when it cracked. mine cracked the #2 cylinder from top to bottom, it was in a 99 24v.
 
I know of one guy that has a '97 12v, it's came factory with a 53 block...it cracked.
 
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