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| Question on cam specs https://www.slantsix.org/forum/viewtopic.php?t=66138 |
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| Author: | frank79912 [ Wed Aug 18, 2021 3:04 pm ] |
| Post subject: | Question on cam specs |
Stupid question- Had a cam given to me and the specs do not seem right. duration 266- 210@.050 ,exhaust 264 -208@0.050, Lobe separation is 108 and center lines are 104 intake 112 exhaust . .440 lift on intake and .425 on exhaust Here is were I get lost . valve events intake 1 btdc open 29 abdc closed ---exhaust 36 bbdc -8 atdc measured @ .050 ... -7 degrees overlap measured at .050 of tappet rise ??? Just doesn't seem right to me . What's the consensus . |
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| Author: | Doctor Dodge [ Wed Aug 18, 2021 6:28 pm ] |
| Post subject: | Re: Question on cam specs |
You may want to check it again at .010 and .020 lifts (near lash) to see if those numbers make more sense. DD |
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| Author: | frank79912 [ Thu Aug 19, 2021 6:52 am ] |
| Post subject: | Re: Question on cam specs |
Its a hydraulic cam . |
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| Author: | Doctor Dodge [ Thu Aug 19, 2021 7:58 am ] |
| Post subject: | Re: Question on cam specs |
What is your checking method? Directly off the cam using a solid lifter or ?? DD |
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| Author: | frank79912 [ Fri Aug 20, 2021 12:41 pm ] |
| Post subject: | Re: Question on cam specs |
Yes- I put together 3 lifters to bring it up to make it easier for the dial indicator. From what I found out ,its only slightly different then a stock replacement solid lifter cam from any of the suppliers with a little less overlap. |
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| Author: | DadTruck [ Fri Aug 20, 2021 12:56 pm ] |
| Post subject: | Re: Question on cam specs |
does the cam have a manufacture name and number? |
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| Author: | frank79912 [ Sun Aug 22, 2021 1:18 pm ] |
| Post subject: | Re: Question on cam specs |
I have nothing on it. It looks like a regrind from what I can tell |
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