79-82 flywheel counter weight
#1
79-82 flywheel counter weight
theres only one counter weight for the 79-82 12a?
but the flywheel chart says 70-80 is a type of flywheel and 81-82 is another type than 83-85 is another one
but theres only one counter weight for light weight flyhweel for 79-82? does this mean u can interchange the 79-80 flyhweel with the 81-82?
but the flywheel chart says 70-80 is a type of flywheel and 81-82 is another type than 83-85 is another one
but theres only one counter weight for light weight flyhweel for 79-82? does this mean u can interchange the 79-80 flyhweel with the 81-82?
#2
what do you mean by "light weight" flywheel.
If its aftermarket you need the automatic flexplate/counterweight. The 83-85's have their own counterweight, 79-80 have their own and 81-82 have their own counterwight. so you need a matching assembly.
good info on the mazdatrix website under FAQ's.
If its aftermarket you need the automatic flexplate/counterweight. The 83-85's have their own counterweight, 79-80 have their own and 81-82 have their own counterwight. so you need a matching assembly.
good info on the mazdatrix website under FAQ's.
#7
http://mazdatrix.com/faq/Rcounterweights.htm
12A Engines:
-79-82
-83-85
13B Engines:
-76-85
-86-88
-89-95
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#9
I seem to remember reading somewhere that while the actual difference in weight was not much, the positioning of the weight changed the feel of the flywheel.
ah yeah, it was from RacingBeat:
Originally Posted by RacingBeat"
The weight of the stock flywheel is 30 lb (74-80) and 23 lbs (81-85), compared with 16 lbs for the Racing Beat Flywheel. The actual reduction in inertia from stock is much greater than the weights suggest, since the stock flywheel is 1 to 2 inches thick at its outside edge.
#10
yes I have tried them all. do a search. there was a thread about it sometime last year or earlier in 2008.
#12
Ok, you know how there is a difference in front couterweights between '80 and '81? This change corresponds with the change in flywheel weights. Do the front counterweights weigh differently? or are they interchangeable? I ask because the rear counterweights are the same from '79-'82 but the rotors are the same from '76-'82 and the front counterweight is the same from '76-'80.
Can any '76-'82 rotating assembly parts be freely interchanged?
Can any '76-'82 rotating assembly parts be freely interchanged?
#25
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From: https://www2.mazda.com/en/100th/
Ok, you know how there is a difference in front couterweights between '80 and '81? This change corresponds with the change in flywheel weights. Do the front counterweights weigh differently? or are they interchangeable? I ask because the rear counterweights are the same from '79-'82 but the rotors are the same from '76-'82 and the front counterweight is the same from '76-'80.
Can any '76-'82 rotating assembly parts be freely interchanged?
Can any '76-'82 rotating assembly parts be freely interchanged?
the 81-82 front counterweight is also different. instead of being 180 is like 90, so its smaller
old pro7/ita trick is to use the 81-82 flywheel/cw and the 83-85 rotors, you need to balance the assembly, but it ends up lighter than stock 83-85