C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

New Cam install- Few questions

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Old Feb 21, 2013 | 08:21 PM
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Default New Cam install- Few questions

Ok I just picked up a new cam for my 1984 motor to replace the wiped stock one. I went with this one:

http://www.competitionproducts.com/E...tinfo/E1065PK/

Now its been about 15 years since I installed a cam. That time the assembly lube was a red grease that came with the cam. This one came with a tube of some green assembly lube that is considerably thinner then the red grease I used last time. I assume just slather all the surfaces with this green stuff and install? Also put it on the lifters?

I have seen a bunch of threads mentioning break in lube or Rotella oil during break in. I dont have cats on my car any more so those failing isnt an issue. I was going to use the rotella- Do I also need a break in additive? If so, can i get it at Autozone or the like?

Set came with valve springs- I assume break everything in FIRST then change the valve springs and seals?

When I have everything primed up and ready to fire, I understand I have to bring it up to between 1800 and 3000 RPM for around 20 minutes- When I first fire the engine, do I immediately have to rev it up or do I have a minute or two for a few adjustments?

And finally- Should i fire the engine and begin break in, then find a leak or something and have to shut down, do I need to start again for another 20 minutes or just continue from where I left off?

Sorry for so many questions. Just want to get it right so I dont have to do it again.
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Old Feb 22, 2013 | 04:23 PM
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The cam lube they sent with the cam and lifter set should be okay. cover the cam lobes and lifter bottoms with that and for the cam journals you can use some 30w oil and some blue stp mixed together. Make sure you prime your engine and make sure oil is at ALL rocker arms. Sometimes it takes a while with the primer to get it to all of them so be patient. Make sure you have your distributor dialed in ready to fire when you hit the starter. I usually set my timing mark on about 6-8* BTDC so the engine fires right away and you don't have to start messing with the timing to get it to run. I usually break my cams in at around 2200 for 20 minutes. If your engine heats up too much for whatever reason shut it down and cool it off and then finish your 20 minute break in. Lots of opinions on what oil to use for break in....from 30w non detergent, to Rotella, to Valvoline VR1 race oil to other oils. I have used the race oils with lots of zinc and I have used regular 30W oil with some type of break in lube. My last cam break in I used 4.5 qts. of 20w-50 Valvoline VR1 and 16 oz. of Lucas Zinc plus. Risoline has a break in additive too and there are others too. The springs that you got with the kit are pretty mild ones so you could put new springs in prior to break in or do it later. That cam has a mild lift to it so your break in should go smoothly. Should give you lots of low and mid range and a mild lope. I think you have a carb on yours? Good luck.
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Old Feb 22, 2013 | 07:48 PM
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WILCAR to the rescue again

Thanks I will see what I can find locally for the break in additive. Also I will change the springs before firing it- Easier to do it all at once then to do it twice.

Yes my car is carbed... Now if the weather would warm up a little I could get it back together..
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