I am wanting to buy a March pulley system, is there any clearance issues??

farmer,
here is one thread...
http://www.chevelles.com/forums/showthread.php?t=79828&highlight=march+pulley+system

do a search on march pulley systems. lot of info here.

david

Take your time with the conversion-haste makes waste

We need to know what motor/what year car/BB or SB/ long or short water pump/ which March kit, etc.

We need to know what motor/what year car/BB or SB/ long or short water pump/ which March kit, etc.

I ordered the March system for my 67. When I spoke with the people at March I advised them of the exact set up I needed. Mine came in and I installed everything w/o a problem. There are problems with different year combos etc. Before you order have all your details on your combo written down. I had good results with Phil at 1-734-729-9070 ext 15. Good luck with your purchase.

The car is 66 BB 4 speed chevelle with PS and PRESENTLY a LWP but to clear my new radiator/fans I am converting to SWP. I plan on installing A/C this Winter.

I did the same swap with a March unit (#23050) in a 67 big block w/long water pump. Might want to take a look at the story here at http://dalesplace.com/misc/march/march_page_1.htm

Some surprises but not too bad. Be sure to have a second car handy to chase parts :thumbsup:

You will need to purchase the serpentine system with the type II ps pump. I just went through this with my 66 ($$$$). The install went OK except the belt they recommended was too long and the next shorter belt was too short. I ended up shortening the adjusting bar to the alternator and running the shorter belt. The system works great on the car.

The part # is 20360 that I am looking at. I think it comes with the type II pump.

Dale and I exchaged a few emails last winter about this. His story and pictures illustrate some of the frustration of this project. I tried to put a LWP serpentine setup on my 67 BBC Elky last winter when I installed the AC. I spent considerable time and $$$ but could not make it work due to fan clearance issues. A LWP leaves about 2 1/4" from the WP flange (fan mount) to the radiator, depending on what radiator you are using. I am talking about what I call a 'true' serpentine system which uses only 1 continuous belt, and a reverse rotation WP. This type unit puts ALL of the acessory pulleys in the same plane. I could not move the fan far enough forward to clear the pulleys. 66 and 67's have very little space in front of the engine. I even talked a few times with Don from Alumitech, whose radiator I am using. He was willing to fab up some brackets to mount dual electric fans, but even these wouldn't clear. There may be setups which put the Alt and AC far enough 'outboard' to clear, but that leave the PS pump. IF anyone is using a 'true' serpentine setup on a 67 BBC, I didn't hear from them when I was looking last winter, and invite them to chime in now. The only one I have seen was a show car which had 1 electric fan mounted in a corner of the radiator. Probably would not cool the car anywhere south of the artic circle!
John

John, My system with type II pump is a true serpentime system (one belt runs the Alt, waterpump, and ps. It is not reverse rotation and is a short waterpump.

This kit is a SWP and includes alt, waterpump, ps, and AC and is rev rotation. http://www.marchperformance.com/pg26.html That should fit. The text mentions LWP in the description, but the title is SWP and it looks like the SWP setup. Call them to be sure.

This is the system I have http://www.marchperformance.com/pg25.html

So you guys don't think the 23060 will work? It puts everything in FRONT of the valve covers. I too ordered a rad./fan combo from Don and am concerned about clearing the fans.

John, My system with type II pump is a true serpentime system (one belt runs the Alt, waterpump, and ps. It is not reverse rotation and is a short waterpump.

This kit is a SWP and includes alt, waterpump, ps, and AC and is rev rotation. http://www.marchperformance.com/pg26.html That should fit. The text mentions LWP in the description, but the title is SWP and it looks like the SWP setup. Call them to be sure.

This is the system I have http://www.marchperformance.com/pg25.html

Reading my post again, I left out the fact that I was sort of comitted to a LWP system, as I was trying to do it on the cheap and adapt a GM setup. The system you have is a 'true' serpentine with a CW rotation pump, but does not have air. To run AC, PS and Alt, I think you inevitably end up with a reversed WP.
The link to the March system does show a short WP, and probably would work. Best to call March and ask them if there are problems in a particular application. The March setups are pretty, but spendy, and more than one TC'er has expressed dismay that they aren't always plug 'n play!

2thfarmer, the 23060 uses a long WP, but also has 2 belts, with the 'rear' one running the Alt and PS if you keep the components in the stock location for and AC car. Don's fans would probably clear the PS in this setup. I don't know about the AC. It looks like it is high enough that it should also clear. This setup uses a standard rotation pump (2 belts).
John

The only difference I see in the 23060 kit and the 23050 kit I used is the type of p/s pump - keyway vs. press fit pulley. If you plan on using electric fans, think seriously about it. Here's a straight down shot of my 67 BB w/long pump, 23050 kit, and aluminum radiator. I searched everyone for a thin enough electric fan to fit and none were rated to pull enough air. There's less than 2-inches between the radiator and the water pump pulley. There was 2.25-inches with the stock radiator but the aluminum unit was a bit wider.


http://dalesplace.com/images/chevelle/p001476.jpg

Note my radiator mounting bracket had a very slight offset. Had it been straight there might have been more room.

http://dalesplace.com/images/chevelle/p001472.jpg

You might be able to fit two small fans on either side of the water pump nose but I'm not sure they'd draw enough air.

Not try to encourage or discourage you, just alerting to some potential problems. A short water pump would make it pretty much a no brainer though.

Reading my post again, I left out the fact that I was sort of comitted to a LWP system, as I was trying to do it on the cheap and adapt a GM setup. The system you have is a 'true' serpentine with a CW rotation pump, but does not have air. To run AC, PS and Alt, I think you inevitably end up with a reversed WP.
The link to the March system does show a short WP, and probably would work. Best to call March and ask them if there are problems in a particular application. The March setups are pretty, but spendy, and more than one TC'er has expressed dismay that they aren't always plug 'n play!

2thfarmer, the 23060 uses a long WP, but also has 2 belts, with the 'rear' one running the Alt and PS if you keep the components in the stock location for and AC car. Don's fans would probably clear the PS in this setup. I don't know about the AC. It looks like it is high enough that it should also clear. This setup uses a standard rotation pump (2 belts).
John
Unless I am mis-reading the info, The 23060 uses a SHORT pump

Unless I am mis-reading the info, The 23060 uses a SHORT pump

http://www.marchperf.com/pg24.html