Thats odd, those are no where near the numbers on the cam. I'm going to check with Dick and Joey monday to see whats up.
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Apparently the incorrect master plates (they were for an LS cam) were used which is why everything was off. The LS has a larger base circle which is why the lobe had the .002 dip. The new grind is completed and I'll pick it up tomorrow. I'm not sure what the final specs are but I'll post them after I degree it this weekend.
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It was for an LT cam which has a smaller base circle, so he didn't remove enough material when he ground the cam.
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You told me that but I mixed it up. Joey told me again today. So I picked the cam up and got it installed and degreed. Joey told me to install it 6* advanced and that the intake centerline should come in around 112-113. After degreeing it I came up with 112.75*. Though I still came up with different numbers than he said it should be. He told me that the lift should be around .552 which is about .325 at the cam and the duration should be 218*. I came up with .325 intake and .324 exhaust which is fine but for the duration I came up with 215* on the intake and 220* on the exhaust. It also still does the drop on the intake at about 12* only it is now .001 instead of .002. After what he said though I'm no longer worried about that. Anyways, I'm going to run it how it is.
After finishing the cam I bolted on a head with one of the old head gaskets and then check the piston to valve clearance. The intake valve had .306 clearance and the exhaust had .318. Plenty of room. Tomorrow I'll finish up the bottom end and get the timing cover bolted on. I should also have the new head gaskets tomorrow so I'll get the heads bolted on as well. Here are the only pictures I took from tonight. |
I'm sure there's a snag in the testing procedure and the tolerance in the crank definitely isn't as tight as stock. As long as it's installed close i'm sure you're fine. Did you try installing it at 114 to see if it effected the duration numbers?
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No, I just installed it 6* advanced and left it.
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I received my head gaskets today and got the heads installed. I had to repair 4 stripped bolt holes (1 intake and 3 exhaust) so it took a while. I went with a .038 compressed gasket and with the 61cc combustion chamber, 14.2 dish and .015 deck that gives me a 9.24:1 compression.
The only pictures from today. |
So preeettttyyyy :)
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Poor lil motor has no idea the hell that awaits it beneath Rons foot.
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Almost done. I should be able to finish cleaning everything up at night during this week and have it ready to drop in on Friday. I ended up porting the intake manifold more today because I didn't take enough off the bottom of the runners. They now match the heads nicely although I could get a picture of them.
Pictures from today. |
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