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its the last cheapish parts i have left to install, can i do it in a saturday with a kmart tool kit? its going in a 4x4 truck, suggestions on company or grind?
(hehehe) You can do this on the week end, however be sure to have the harmonic balancer/dampner puller before you need to run to the tool store. Of course you can rent one from your local parts shop.
The recommended grinds are based on your performance needs/wants/levels, but most companies offer a tech line willing to make a recommendation. Several folks have high regards for, I want to say the Crane 901. It is cheap-ish, but remember, new lifters/push rods/valve springs to do it right will run towards $200 with the cam. Then gaskets and all... I always make sure the other family vehicle is in operating condition before I undertake any mechanical projects, experience pays off here...
--MG
Right on Rusty70F100!!! Let it run at about 1800-2000 rpm for 20 minutes monitoring the oil pressure and water temp. You dont want to flatten a cam lobe because then your cheapish job just got muptiplied X2.
Originally posted by Jsbiohazard Right on Rusty70F100!!! Let it run at about 1800-2000 rpm for 20 minutes monitoring the oil pressure and water temp. You dont want to flatten a cam lobe because then your cheapish job just got muptiplied X2.
so what you're saying is i have to fix the gauges first huh?
i'm looking at an ebock cam and hydro lifter(194*int,204*exh) now somebody suggested new rods and valve springs? can you please explain which length/spring rate would be optimal? anything else i might need?
The cam should specify matching springs, and you should use those. Springs too light will cause valve float at earlier rpms, and springs that are too heavy will flatten your cam. Really very little room for compromize. Buy the matching components and you'll be fine. Also, for break in of the cam, I'd follow the instructions included with it to the letter. You should be able to get away with using your existing pushrods, but if the cam you get has a larger base circle, you may have to get matching pushrods too. Read the instructions before you order, and dont just look at the price of the cam!
I like my headers. I found that it helps to turn the steering appropriately when installing them, you'll see what I mean. As for the power, I went from headers with huge holes rusted in the collectors to new hedmans, with turbo mufflers, and I didn't see any loss of power, but lots of loss of noise! They should work great on a 4x4 truck. I still have great low end power, I think the stock cam has that covered. I noticed in the recent Jegs catalog that there is a cam made specifically for 4x4 trucks, its the crane cams 343904. See here, http://www.cranecams.com/truck/343904.htm Thats the one I think I'd get for a 4x4. Have fun!
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