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- - scan question (https://www.camaroz28.com/forums/lt1-based-engine-tech-9/scan-question-478077/)

86gn01

Oct 11, 2006 11:49 PM

scan question

Just wondering is 6375 the max rpms data master or other scan software can record up to? have a 95lt1 (built 383 ) can push it further then 6375 rpms but datamaster stops recording @ that rpm.

Thanks

Injuneer

Oct 12, 2006 10:07 AM

Re: scan question

They may be using a single 8-bit binary field in the scan software. RPM is measured by the stock PCM in 25rpm increments, so 25 x 255 = 6375 is the upper limit of an 8-bit field. The stock PCM must use additional bits internally to allow it to operate in exces of 6375rpm.

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