 4A-FHE, What is the H? |
 Jun 9, 2010 - 7:19 PM
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 Enthusiast  Joined Jul 3, '09 From UT Currently Offline Reputation: 14 (100%)  |
Ive been looking into the 4A series motors and i came across the 4A-FHE. What does the H denote? Ive seen that Toyota added something new to the fuel injection or changed the fuel injection in some way?
The FHE series head also puts out ~10 hp more than the FE series head and was supposed to be simply a performance tuned ecu from Toyota. I picked up a FHE ecu and it definitely doesnt work on a FE head. The engine will crank, but dies immediately after. I originally thought timing until i ran across the part about the fuel upgrade. Otherwise, the motors and head are said to be the same? Anybody know anything about this? |
Posts in this topic
Johnnyny this in no way would benefit the 7a Jun 9, 2010 - 7:38 PM zonz540 Its for a 4a, not 7a. Im trying to squeeze a littl... Jun 9, 2010 - 7:47 PM
Tom_SS2 QUOTE 4A-FHE Same as the first generation 4A-FE, o... Jun 9, 2010 - 7:52 PM  |
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