i put the march pulley on and now the motor don't turn?
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#9
possible pulley problem
It may well be the pulley. I bought one of these when they first came out and it was not machined correctly. Part of the pulley was contacting the oil pump housing, preventing the motor from turning over. Take the pulley back off and compare to the GM one. March sent me a free replacement with no hassle. The new one works fine.
#11
TECH Resident
I had this exact problem. I posted the question here:- https://ls1tech.com/forums/generation-iii-internal-engine/781740-engine-jamed-cant-move-pulley-wheel.html
I removed the March pulley wheel and fitted the stock and then the engine turns.
I have a ported SLP pump, I was wondering if this was slightly bigger perhaps it was jaming on the march pulley wheel.
Just out of interest what oil pump do you have fitted?
If I have to CNC a bit off the pulley wheel to make it fit, then thats okay, but how much, and where is it jamming? I kept the engine in the car and was running out of workshop time so the stock one had to go back on, and no time for investigation into this.
I removed the March pulley wheel and fitted the stock and then the engine turns.
I have a ported SLP pump, I was wondering if this was slightly bigger perhaps it was jaming on the march pulley wheel.
Just out of interest what oil pump do you have fitted?
If I have to CNC a bit off the pulley wheel to make it fit, then thats okay, but how much, and where is it jamming? I kept the engine in the car and was running out of workshop time so the stock one had to go back on, and no time for investigation into this.
#13
TECH Resident
.125" sounds like an ideal amount to try.
Could you post your results when you've done it. Would be much appreciated.
I've done searchs in the past and couln't find anyone that had the same trouble as me, until I came accross your post.
#14
12 Second Club
iTrader: (6)
I had the issue in 2005. Here is the picture, bottom of the article, #11:
http://www.ls1howto.com/index.php?article=23
http://www.ls1howto.com/howto/fbody/...p_machined.jpg
I know it says ASP but it's the same for a March.
http://www.ls1howto.com/index.php?article=23
http://www.ls1howto.com/howto/fbody/...p_machined.jpg
I know it says ASP but it's the same for a March.
#17
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It may well be the pulley. I bought one of these when they first came out and it was not machined correctly. Part of the pulley was contacting the oil pump housing, preventing the motor from turning over. Take the pulley back off and compare to the GM one. March sent me a free replacement with no hassle. The new one works fine.
#19
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I am going to have a friend at work machine it down for me today (I'm electrical guy).
First I'm going to take pics with micrometer to send to March and show them how different it is from the stock pulley.
First I'm going to take pics with micrometer to send to March and show them how different it is from the stock pulley.