Are These the Roller Lifter Conversion Type?? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 07-15-2003, 07:11 AM
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Are These the Roller Lifter Conversion Type??

Can anyone check this sight below and please tell me if these are the lifters to use that would eliminate the use of a spider piece and the need to drill and tap your Ford 302 non-roller block in order to convert it over to a roller block? Thanks

http://cgi.ebay.com/ws/eBayISAPI.dll...tem=2933215675

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Old 07-15-2003, 07:15 AM
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also with the kit mentioned above, will this set of lifters allow you to use a normal cam and not the small base circle type that I have been hearing you would need when using the spider piece type kit?
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Old 07-15-2003, 08:53 AM
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A few things; first that design would eliminate the need for a spider;second those are solid lifters NOT hydraulics; and finally you will always need a roller cam for roller lifters,solid or hydraulic, because they are ground differently. Many people make the incorrect assumption that you can change lifters and keep the cam, but alll cams are designed for a specific lifter, roller cams included.
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Old 07-15-2003, 08:59 AM
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so in short, you are saying that those are the right lifters but they are solids rather than hydraulic. solids will need the adjustments right, so for street use and not wanting the adjustments, i would need to find hydraulic?
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Old 07-15-2003, 09:03 AM
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Correct. But it would be easier to get a cam and kit since you'll need a cam to match the lifters. While most manufacturers stand beside their products mismatching components (a crane cam and compcam lifters for instance) would be a sticking point if you should have a failure of some kind.
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Old 07-15-2003, 09:50 AM
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as far as adjusting the lifters...how often is it needed(solids) is it after a real hard run? or just a matter of time?
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Old 07-15-2003, 09:56 AM
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also does solids make more horsepower?
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Old 07-15-2003, 10:32 AM
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Solids do make more HP at higher rpms. Hydr tend to "give" at higher rpms and not open the valve as much as a solid would. It all depends on how you drive your car as to how often you would have to check the lash. I checked the lash once I got home after a day at the track. If I didn't see the track for a month (which wan't often), I would check it once a month. Once you do it enough times, it becomes fast and easy.
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Old 07-15-2003, 11:04 AM
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The best advice I can give is to call the cam help lines and they can tell you what will work best for your setup. I've called Crane,Lunati and Comp and they were all very helpful. If you're not building a race engine I would go with hydralic lifters.
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