Cam upgrade
+8
1973 454 MONTE
Joe73
77mali
Limey SE
ant7377
wokrdan AKA BU Balls
The Dude
abajc3
12 posters
G3GM :: G3 Tech :: Engine & Driveline
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Re: Cam upgrade
I add a quart or Rislone ZDDP additive to the Monte when I change the oil in it.
74MonteCarlo- G3GM Fanatic
- Street Cred : 17
Re: Cam upgrade
So if I use Rotella T do I still need the additive?
mychev123- G3GM Member
- Street Cred : 0
Re: Cam upgrade
That's hard to say, since if the engine has some on it, the cam & lifters are likely well mated at this point. It's likely about the same cost for the additive at oil change, as it is to use "off-road" or racing oil. I'm currently using Valvoline VR-1 in flat tappet engines, but there are other brands of course.
pila- Donating Member
- Street Cred : 43
Re: Cam upgrade
Old flat tappet cams work harden after a while, and become more resistant to wear. This may explain why you can use regular oil in your original engine, but a rebuild without the additive will flatten the lobes.
Comp does a nitrating process on their cams that mimics this work hardening to a certain degree. Other mfrs may do it also, but Comp is the only one I've read about. I would still use the additive with a nitrated cam, however.
Comp does a nitrating process on their cams that mimics this work hardening to a certain degree. Other mfrs may do it also, but Comp is the only one I've read about. I would still use the additive with a nitrated cam, however.
bigredlaguna- G3GM Senior Member
- Street Cred : 53
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G3GM :: G3 Tech :: Engine & Driveline
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