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March manual belt tensioner, how do you set tension?

  • Thread starter Thread starter 281pony
  • Start date Start date Aug 10, 2010

281pony

Active Member
Aug 31, 2003
2,681
2
46
Oly, WA
Aug 10, 2010
#1
  • Aug 10, 2010
  • #1
i have had this setup for about a year. i forget exactly what length belt i am running, however its a real bitch to get it over the pulleys. i shorten the tensioner as much as possible and gotta really work to get it all installed. so i know my belt is not too long.

if anyone is familiar with this setup, there is 2 bolts that hold the tensioner. its just a threaded rod with 2 heim ends. the bolt that goes into the timing chain cover snapped off this weekend coming home from racing.

my belt prior to this always had a quick "squeel" at start up. sounded horrible, this was mended by tightening the belt some more. it always seems as the belt kept stretching, requiring more tightening every couple months. so as a rule of thumb, how should i tighten this belt?

i need to see if there is possibly some other issues here if its not my tension method. i just got it all back together and not leaking mad and its got a consistant chirp noise from the belt being loose now. im not real eager to snap this bolt again.. help me out.
 

srtthis

the guy doing it does every local racers rear end
15 Year Member
Jul 3, 2009
5,129
1,666
204
Maryland
www.crazybobracing.com
Aug 10, 2010
#2
  • Aug 10, 2010
  • #2
put a grade 8 bolt in it and be done...
 
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