RPM fluctuation
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Junior User
Joined: May 2004
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RPM fluctuation
I'm a new owner of a 2000 PSD and notice a slight, 30 RPM's, fluctuation when at idle. Is this normal? It will consistently go up then return for no apparent reason... nothing else on like A/C. I don't have a Ford RPM digital gauge so can't really say how many RPM's it's really going up and down.
Also, why put a pyro post or pre turbo. A guy that wanted to install a pillar mount with gauges said he would install post because it's too difficult to do pre. What are the advantages of each? If I do go post does subtracting 300 give me what the pre gauge would read?
Thanks.
Also, why put a pyro post or pre turbo. A guy that wanted to install a pillar mount with gauges said he would install post because it's too difficult to do pre. What are the advantages of each? If I do go post does subtracting 300 give me what the pre gauge would read?
Thanks.
