Good for you - I might be up in the Metro Detroit area again in July I will have to see the beast live
Greg
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| Piston/Rod assemblys https://www.slantsix.org/forum/viewtopic.php?t=39838 |
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| Author: | Shaker223 [ Wed Apr 14, 2010 7:42 pm ] |
| Post subject: | Piston/Rod assemblys |
are all in plus the rear main seal. No issues (finally). After the initial bump to start the crank turning (11 ft. pounds), the engine turns over with 7-8 ft pounds of constant force. I'll degree the cam tomorrow. |
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| Author: | Shaker223 [ Sat Apr 17, 2010 7:05 am ] |
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Lined up the dots on the sprockets and the cam was at 118*. Had to drill the cam sprocket and install the offset bushings. I finally got the cam installed at 111*. |
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| Author: | Greg Ondayko [ Sat Apr 17, 2010 7:11 am ] |
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Nice! I bet Your engine will be kickin when all cranked up. Greg |
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| Author: | Shaker223 [ Sat Apr 17, 2010 7:20 am ] |
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Thanks Greg. Should be the first part of May! |
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| Author: | Greg Ondayko [ Sat Apr 17, 2010 7:21 am ] |
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Good for you - I might be up in the Metro Detroit area again in July I will have to see the beast live Greg |
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| Author: | Shaker223 [ Sat Apr 17, 2010 7:24 am ] |
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Sounds good. Let me know if you can make it. Tom |
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| Author: | Dart270 [ Sat Apr 17, 2010 7:25 am ] |
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111 deg centerline, wow. Most NA motors make best power around 99-104. I guess you are figuring this based on turbo wanting much later events. I'd love to hear your thinking on this. Lou |
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| Author: | Shaker223 [ Sat Apr 17, 2010 7:45 am ] |
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Quote: 111 deg centerline, wow. Most NA motors make best power around 99-104. I guess you are figuring this based on turbo wanting much later events. I'd love to hear your thinking on this.
Yes, the cam is turbo based. It was ground on a 114 center line. Cam mfr recommended install at 112 but I wanted it closer to 110 installed.
Lou |
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| Author: | Dart270 [ Sun Apr 18, 2010 5:36 pm ] |
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Keep in mind that at least for NA Slant cams, all of the cam manufacturers apparently recommend about 2-4 deg more LSA than is best, and about 4-8 deg more retarded than is best. You are wise to advance it some, and could probably go further. Of course, the turbo may throw all this out the window, so have fun experimenting! Lou |
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| Author: | turbo66valiant [ Sun Apr 18, 2010 6:39 pm ] |
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I had mine degreed in at 101.5*. Worked well but I think it produced alot of heat. Now at 109*. We will see in a few weeks if it works. Goodluck Tom! PS, our turbo Dart ran a 11.04 @ 124 today w/ 8 lbs |
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| Author: | Shaker223 [ Sun Apr 18, 2010 6:46 pm ] |
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Way to go Ryan! Are you going to push it at all? Did it hook? |
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| Author: | turbo66valiant [ Sun Apr 18, 2010 6:59 pm ] |
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Didn't push it all today. 28* total - 95 octane fuel - my 575 BT Demon - shifting at 5500 and spinning. A/F was around 11.5 all day. It was a hoot. And it didn't beat the Slant yet! It will next time out though. The whole setup worked good. Now to get mine lower into the 10's! Later |
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| Author: | Shaker223 [ Fri Apr 23, 2010 12:07 pm ] |
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Piston to valve issues on the exhaust. Only .075" clearance...need another .025" min. Simple fix, ordered thicker gasket and turn the boost up a little more!!!! Intake had tons of room. Stock rocker arm measured to a 1.39 ratio. Exhaust Lift ended up being .442 vs .479 with a 1.5. |
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