wain lee Posted July 20, 2019 Share Posted July 20, 2019 I am wondering if you can replace the EA-81 fuel injected heads with Carburated heads? Link to comment Share on other sites More sharing options...
Steptoe Posted July 20, 2019 Share Posted July 20, 2019 Can't see why not, and go carb and carb manifold? Link to comment Share on other sites More sharing options...
FerGloyale Posted July 21, 2019 Share Posted July 21, 2019 Yeah, but FI heads on;y came on turbo cars. So the compression will be low if the pistons are not swapped too. Link to comment Share on other sites More sharing options...
wain lee Posted July 21, 2019 Author Share Posted July 21, 2019 Thanks a lot for the reply guys. I don't think the compression will matter too much as I am going to use the engine on a trike. Link to comment Share on other sites More sharing options...
carfreak85 Posted July 22, 2019 Share Posted July 22, 2019 On 7/20/2019 at 5:32 PM, FerGloyale said: Yeah, but FI heads on;y came on turbo cars. So the compression will be low if the pistons are not swapped too. The heads have no change on the compression. EA81Ts have lower compression pistons, the combustion chamber volume is identical, carb or turbo. Link to comment Share on other sites More sharing options...
FerGloyale Posted July 22, 2019 Share Posted July 22, 2019 2 hours ago, carfreak85 said: The heads have no change on the compression. EA81Ts have lower compression pistons, the combustion chamber volume is identical, carb or turbo. Right, so unless he swaps the pistons, it will be low compression. That's what I meant. Link to comment Share on other sites More sharing options...
86BRATMAN Posted July 22, 2019 Share Posted July 22, 2019 If he puts ea81t heads on an ea81 carb shortblock it will still have the same compression ratio as the carb longblock. Link to comment Share on other sites More sharing options...
el_freddo Posted July 22, 2019 Share Posted July 22, 2019 What he wants is a basic carb runner and has a good EFI long block to use. I reckon he needs to swap that long block for a NA long block. The EFI heads mean nothing to him. Cheers Bennie Link to comment Share on other sites More sharing options...
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