Bob - In response to Chris Stan's note - >>>>>>>>> Chris Stann wrote - I am considering building a 2.1 long block with some minor performance enhancements such as ratio rockers, lightweight valve train and ceramic-coated heads and pistons, aircraft-grade head bolts and some other anti-leakage measures. I would install this 2.1 in place of my 1.9 since I am just over 150K on an untouched motor. The question: How much can my stock 1.9 fuel injection handle? <SNIP> You wrote, among many other interesting things - >>>>>>>>>>>> The Digijet fuel injection system is not what is limiting the available power. What does limit the power is the ability of the engine to breathe and that darn rev limiter that's built into the ECU. >>>>>>>>>>>>> I have been wondering, now that the engine I bought from you has a few thousand miles on it, what is a reasonable rev limit for a stock 2.1? Mine has the longer duration cam, if that has any affect. So far, I have been trying to stick to about 4200 RPM Max on the highway, the top of the green stripes. That's an indicated 70 mph on my '87 Westfalia. Grinding up hills in 3rd, it's about 52. The engine willingly revs a lot higher, but I have been cautious. Most likely 10 minutes going uphill at 5000 won't be any problem. What do you think is a reasonable limit, for how long, and why? Thanks! Mike Finkbiner '87 Westy Moscow, Idaho
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