Stock 99 Riv timing Vs. Similar Stock Timing Tunes

Why ya think factory timing settings so different? That crazy timing peak at cruise is crazy.
Stock 99 Riv timing Vs. Similar Stock Timing Tunes Captur22

Stock 99 Riv timing Vs. Similar Stock Timing Tunes Captur22

'99 Riv timing
Stock 99 Riv timing Vs. Similar Stock Timing Tunes Captur23

'04+ GTP timing
Stock 99 Riv timing Vs. Similar Stock Timing Tunes Captur24

Series II, Series III.

Some different internals, different induction, different S/C. Aside from it being a 3800, it's a different engine.

Two things to bear in mind, like Scott said, very different animals in terms of tuning. SeriesIII is throttle by wire, different fuel system, etc. which will make for a little different factory tuning strategy. That being said the second thing is the base timing table is not without a handful of timing modifier tables that are also gonna be different and for all I know offset that seemingly hotter timing most of the time in real life. You would kinda have to scan an L32 car driving around to see if it really does all that timing there.

what timing are you guys running in your cruise cells? or from 0,0 to 2,200RPM, .24(g/cyl)?

Ok here's one. 99 Riv VS 99 Regal GS

Here's the Regal. See 1st post for Riv.
Stock 99 Riv timing Vs. Similar Stock Timing Tunes Regalg10

99 RiV

99 Regal GS
Stock 99 Riv timing Vs. Similar Stock Timing Tunes Captur28

Here's mine as of today vs stock

Stock 99 Riv timing Vs. Similar Stock Timing Tunes 20140905timingtablevsstock

I once read that 27.5 was the ideal idle timing. Have you ever heard this?

Interesting to see the differences between stock 97 and 99 timing tables.

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