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Second thoughts on a cam choice.

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Old Oct 10, 2006 | 09:43 AM
  #81  
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Everything costs money, and while I can get by...I don't have enough to build the engine I REALLY want. The engine I would build if I had the money would make this one look like a bucket of popcorn. But I don't have $5000 to throw into an engine for a car that will get driven 75 times a year and see mostly cruising.

I don't race except the occassional light to light, and I don't spend a lot of time at high RPMs. The longer stroke and stock crank will not have enough of an effect on my purpose for this motor to require a multi thousand dollar change of plans. The machine work I have yet to do will cost less than $200. I checked. Hmm...$200 vs $2000. I think that this motor will last me a LONG time the way I take care of them and mind their operation.

I like all the suggestions, but getting razzed for something I NEVER asked about? I asked about a cam, and I got good feedback and I thank everyone for it. Then I started getting heat because I'm not building a NASCAR engine. For Christ's sake just let me build my lower RPM cruising motor.
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Old Oct 10, 2006 | 01:11 PM
  #82  
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Originally Posted by Durango_boy
Everything costs money, and while I can get by...I don't have enough to build the engine I REALLY want. The engine I would build if I had the money would make this one look like a bucket of popcorn. But I don't have $5000 to throw into an engine for a car that will get driven 75 times a year and see mostly cruising.

I don't race except the occassional light to light, and I don't spend a lot of time at high RPMs. The longer stroke and stock crank will not have enough of an effect on my purpose for this motor to require a multi thousand dollar change of plans. The machine work I have yet to do will cost less than $200. I checked. Hmm...$200 vs $2000. I think that this motor will last me a LONG time the way I take care of them and mind their operation.

I like all the suggestions, but getting razzed for something I NEVER asked about? I asked about a cam, and I got good feedback and I thank everyone for it. Then I started getting heat because I'm not building a NASCAR engine. For Christ's sake just let me build my lower RPM cruising motor.
Sorry, Just trying to help. You are uping the Comp to 10 to 1, installing a hot roller cam and will add considerable HP & TQ to an otherwise stock bottom end. This will stress your bottom end quite a bit more than it was designed for. Since you stated you don't know about balancing I figured this was probably your first real build and you could use some good advise. Don't think you will get it balanced, the crank ground, rod ends reconditioned and new pin bushings and the labor to install for $200 but if you can more power to you. These things HAVE to be done to 30 or 35 year old used components to reuse them especially if you are substantially increasing the load they will be subjected to. I have had my say, Good luck on your build and I hope it works out well for you. I think your cam selection is fine for your intended purpose. Little Mouse, Motorhead, Jackson and I have all been there and done that many times and all are speaking from experience and trying to be helpful to a fellow forum member.

Last edited by 63mako; Oct 10, 2006 at 01:16 PM.
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Old Oct 10, 2006 | 01:24 PM
  #83  
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thread jack what do machine shops charge for balancing ??
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Old Oct 10, 2006 | 01:35 PM
  #84  
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Originally Posted by 63mako
The crank ground, rod ends reconditioned and new pin bushings. These things HAVE to be done to 30 or 35 year old used components to reuse them especially if you are substantially increasing the load they will be subjected to.

These things will be done, as I said. Thanks for the confidence. I have built engines before and have gotten to know the guys at the machine shop well. Yes, the load will be greater, but they are confident as well as I that what I have planned will turn out fine and run hard and strong for longer than it will take for me to get bored and want a new motor.
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Old Oct 11, 2006 | 10:59 AM
  #85  
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Originally Posted by Little Mouse
thread jack what do machine shops charge for balancing ??

Sorry I missed this question man. Okay, don't go off my $200 total for all the work I"m having done. J D at the machine shop is hooking me up, and I'm getting $500 worth of work for $200. Long story.

Anyway, most of the local machine shops will do a full balance for $200. Now, that requires you to have just about everything you would need to build the bottom end. When you take it in, have everything ready to take with you. Crank, balancer, flywheel, rods, rod bearings, pistons, pins, rings, and $200.

I'm having them balance everything, condition the rods, and install the new pistons. I'm taking in the new rod bolts, which usually adds $60 to your total cost...I got them for $35.
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