Big Capacity Spi
Posted 01 September 2019 - 03:16 PM
Posted 01 September 2019 - 03:22 PM
Edited by Aus, 01 September 2019 - 03:23 PM.
Posted 08 October 2019 - 10:13 PM
The best thing about the Rover ECU is the extra mapping afforded by the MAP sensor. Ive tried a full SC ECU/ 45mm throttle body set and whilst I can get awesome acceleration you lose a ship load of drivability. Relying on Temps, RPM and throttle position only you just cant cater/ calibrate for all on road situations. Ive just gone back to factory set up with an SC Super Sport head, 1.5 rockers and LCB and the car is so much more enjoyable to drive. Ive tried the next injector size up from standard but probably need a better camshaft and larger engine capacity to exploit the extra fuel. I'm still at standard 1275. In my experience there is a very fine line between running rich and lean backfiring on A + engines. I tried a wideband lambda sensor to get fuelling under control but even at idle there were huge + and - lambda corrections. I think it is a combination of the port robbing and wet manifold that causes problems.
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