Forum > It's all about the Turbo...

Ranger roller cam retarded one tooth? WTH? Why?

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65ShelbyClone:

--- Quote from: 71pintoracer on December 11, 2020, 09:33:44 PM ---So basically itís junk. I figured as much.
--- End quote ---
Hard to determine without more information. Generally speaking, the stock turbo is best for a stock engine.


--- Quote ---So what do you think about changing to the stage one cam?
--- End quote ---
I'm having trouble finding the specs.

71pintoracer:
I donít know exactly but itís a
 .420 lift. Iím sure it has better duration as well. Stage one is what RW called it.


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65ShelbyClone:
Probably better than stock, but I don't think it's going to compensate much for the slow turbo spool.


--- Quote from: 71pintoracer on December 11, 2020, 07:01:09 PM ---The pcm has a slot cut out of it and has wires coming out of it so something has been done.

--- End quote ---
I missed this earlier and it's curious indeed. All the EEC-IV ECUs have an access slot in the end opposite the harness plug. It comes with a small plate over it secured with a screw. That access slot covers the J3 port which is the only way to "chip" a stock EEC-IV computer. Various companies made them back in the '90s and Moates is the only one still doing it AFAIK. Some did allow for table switching.

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