3rd gen rev limit?

fefelarue · Post by **fefelarue** » Sat Dec 26, 2015 11:03 pm

My 3rd gen b20a7 goes off the end of the rev counter to about 8.5k, which I find incredible for 26 year old car!

Is this normal? Or has it been "fiddled with?"

89 UKDM BA4 4WS (resto job!) · Post by **wurlycorner** » Sat Dec 26, 2015 11:21 pm

That must be reading incorrectly. B20's don't rev that high. Red line is around 6.5k and the ecu would not let it rev over that (limiter would cut in).
If it actually did ever rev that high, you would almost certainly have valves and pistons becoming closely acquainted...

Post by **RattyMcClelland** » Sun Dec 27, 2015 1:36 am

Unless its an ex twin carb engine. No crank sensor means no rev limit. It will rev until you blow it.

89 UKDM BA4 4WS (resto job!) · Post by **wurlycorner** » Sun Dec 27, 2015 1:50 am

A7 is PGM-FI only.

fefelarue · Post by **fefelarue** » Sun Dec 27, 2015 4:55 pm

Well my gauge goes from 0 to 8k, the red part being between 6.5k and 8k, but it goes off the end.

It does then have a limiter that kicks in at about 8.3k.

So I've either got the wrong clocks on the car, or someone's done something to the ecu?

fefelarue · Post by **fefelarue** » Sun Dec 27, 2015 5:04 pm

[youtube]Y5ROS8qK-co[/youtube]

fefelarue · Post by **fefelarue** » Tue Dec 29, 2015 3:25 pm

any ideas folks?

chrismc · Post by **chrismc** » Tue Dec 29, 2015 7:06 pm

Over-reading Rev counter

Certainly doesn't sound anything like 8k revs+ (An Integra R revs to 8400rpm as standard for comparison)

Lude Generation

3rd gen rev limit?

3rd gen rev limit?

Re: 3rd gen rev limit?