Which is year did Harley Davidson start using EFI?
The old Magnetti-Marelli fuel injection used in the 90’s was lousy. Idle problems galore, and not a very robust system either. Absolute junk. The new EFI which debuted in ’99 (I think) is far superior.
Are there any replacement ECUs for factory EFI?
There are a couple of companies that make EFI replacement ECUs. These ECU’s replace the factory EFI and provide their own software to control fuel mapping. These companies may also be in a position to provide electronics to aftermarket motorcycle builders as emission restrictions are tightened.
When did the EFI standard take effect in California?
The impetus for migration to EFI is to meet the more demanding federal emissions standards intended to take effect in California in 2006 and in 2008 for the other 49 states. EFI reduces fuel emissions because it meters fuel more accurately than a carburetor.
What kind of EFI system does a twin cam engine use?
The newer Delphi EFI system used on current Twin Cam engines is a Speed Density system. Speed Density EFI systems determine the engine load based on the intake manifold vacuum.
Are there any EFI tuners for Harley Davidson?
There are many different computer EFI tuners out there to increase and adjust the performance of your Harley. Here’s a brief rundown of some of them, and how they are installed. This article applies to the Harley Davidson Touring (2000-2014). When you modify your Harley to perform better, you have many options and ways to go about it.
There are a couple of companies that make EFI replacement ECUs. These ECU’s replace the factory EFI and provide their own software to control fuel mapping. These companies may also be in a position to provide electronics to aftermarket motorcycle builders as emission restrictions are tightened.
The newer Delphi EFI system used on current Twin Cam engines is a Speed Density system. Speed Density EFI systems determine the engine load based on the intake manifold vacuum.
How much horse power will you gain by putting a 95 to 98 ci kit on an 88 TC?
how much horse power will you gain by putting a 95 to 98 ci kit on an 88 tc ? with everything being equal , tuned 88 , forcewinder air cleaner , carbed tuned , 2 inti 1 pipe , gear drive cams . Pretty mild 95″ build, very reliable, good fuel mileage, runs on average grade fuel. When I went from 88 to 95, I also got headwork done.