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| engine mods https://slantsix.org/forum/viewtopic.php?t=12750 |
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| Author: | vitamindart [ Sun Apr 24, 2005 3:46 pm ] |
| Post subject: | engine mods |
i am wondering if anyone has tried turning down the counter weights on a forged crank and if so where there any balancing problems??? also are there any aftermarket balancers availible????can a small or big block balancer be modified to work???? has anyone ever used olds valves it looks like with a lash cap they will be the correct lenght and i can turn the head size down to what i need. any help would be greatly apreciated thanks vitamindart |
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| Author: | Charrlie_S [ Sun Apr 24, 2005 5:45 pm ] |
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Some people have lightend slant cranks. Doug had some pictures posted someware, but I couldn't find them. Fisher has a balencer for the slant. Also a big block balencer can be used with some minor modifications, but the pulleys do not line up. Have no idea on the valves. |
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| Author: | slantzilla [ Sun Apr 24, 2005 7:50 pm ] |
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I overheard Doug explaing about the crank lighteneing out in Vegas. IIRC, when the bob weights are cut, Mallory metal has to be added making the entire process a wash. As far as valves go, Ferrea is making a drop-in Slant valve now that is relatively low cost. (or so I've been told) 
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| Author: | Tom Drake [ Mon Apr 25, 2005 4:53 am ] |
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Answer this question - Why did the factory put the large counter weights on the crank to begin with? |
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| Author: | Dave M [ Mon Apr 25, 2005 4:36 pm ] |
| Post subject: | |
I removed 10 pounds from a stock weight crankshaft. THAN I took it to the machine shop and they rebalanced the shaft. This was after the poor guy spend serveral ??? hours TRYING to rebalance it. When I picked up the crank he asked me if this was a running engine because he had never seen a crank so far out of balance.....so I just played dumb and said I didn't have any history of that crank. Well it has been in my car for 2 years now with no problems. It was worth it BUT it was also lots of work and money. As far as damper I just use a big block and change the front seal. Dave M |
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| Author: | Dart270 [ Mon Apr 25, 2005 6:54 pm ] |
| Post subject: | |
Also, the later cast crank motors have much lighter cranks, apparently. The 80s ones supposedly only weigh about 55-60 lbs. I believe this is what Rodney has had in the Lancer for the last 3-5 yrs of drags w/ no issues. Lou |
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