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| Thoughts on the Sig Erson "RV" cam? https://slantsix.org/forum/viewtopic.php?t=16212 |
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| Author: | Reed [ Thu Feb 16, 2006 9:08 pm ] |
| Post subject: | Thoughts on the Sig Erson "RV" cam? |
Here's the specs: Brand: Erson Cams Product Line: Erson RV Mechanical Flat Tappet Camshafts Cam Style: Mechanical flat tappet Basic Operating RPM Range: 1,000-4,000 RPM Intake Duration at 050 inch Lift: 210 Exhaust Duration at 050 inch Lift: 210 Duration at 050 inch Lift: 210 int./210 exh. Advertised Intake Duration: 254 Advertised Exhaust Duration: 254 Advertised Duration: 254 int./254 exh. Intake Valve Lift with Factory Rocker Arm Ratio: 0.435 Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.435 Valve Lift with Factory Rocker Arm Ratio: 0.435 int./0.435 exh. lift Lobe Separation (degrees): 111 Intake Valve Lash (in): 0.022 Exhaust Valve Lash (in): 0.022 Any htought on the suitability of this camshaft as a low RPM torque cam for a slant powered truck? Thanks! |
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| Author: | CStryker [ Thu Feb 16, 2006 9:39 pm ] |
| Post subject: | |
I've got an Erson 268 sitting in a box here beside me that's destined to go in a truck w/in the next month or so. I called and talked to the Erson tech line (see this thread) and he they guy told me that if I wanted to play it safe, I should stick with the 254, but I would /probably/ be happy with the 268 if I wanted to take the risk. My fingers are crossed that I don't have to resort to buying a higher stall TQ. I'd call and talk to Tom anyway... he was fun guy that seemed to know his stuff. |
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| Author: | Reed [ Thu Feb 16, 2006 10:36 pm ] |
| Post subject: | |
Thanks! I am looking for something that will add more torque and low RPM power for my brother's van. It has a stock cam in a fresh (under 10k miles) rebuilt engine but he wants to load it up and tow a trailer. I think I may go ahead and install this RV cam. |
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| Author: | Doctor Dodge [ Fri Feb 17, 2006 4:50 am ] |
| Post subject: | |
The 111 Lobe Centers will give the cam lots of low RPM power. The lash on the intake side seems a bit loose, you most likely could tighten-up on that. DD |
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| Author: | Dart270 [ Fri Feb 17, 2006 6:13 am ] |
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Personally, I doubt you would notice a difference between a stock 71-up cam and that Erson cam. Maybe if they're both degreed in just right, but I still doubt it. Lou |
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