Bronze Dist Gear
#4
You both are partly right. Crane was the first to use pressed on cast iron gears on their roller cams. They supplied the cores for alot of people in their hayday, Comp, everybody. The reason you use a bronze gear is so that the distributor gear wears out before the cam gear does. Which one is cheaper to replace?
And btw, most Comp cams hydraulic roller cores are carborized cast steel not billet. If it were a flat tappet it would have to be parkerized, hence the dark color. Roller doesn't need that process.
And btw, most Comp cams hydraulic roller cores are carborized cast steel not billet. If it were a flat tappet it would have to be parkerized, hence the dark color. Roller doesn't need that process.
#5
Hence my train of thought on this topic,MSD only has six gears left but Comp has lots,I'm thinking about having my local machine shop shave the MSD dist shaft .009 and using Comp bronze gears. The MSD shaft is .500 and the std. shaft is .491. The roll pin holes look to be in the same place, or I could have the gears enlarged each time a replacement was needed.
#6
Hence my train of thought on this topic,MSD only has six gears left but Comp has lots,I'm thinking about having my local machine shop shave the MSD dist shaft .009 and using Comp bronze gears. The MSD shaft is .500 and the std. shaft is .491. The roll pin holes look to be in the same place, or I could have the gears enlarged each time a replacement was needed.
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lyev
Racing and High Performance
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June 14th, 2015 04:08 PM