I know this has been covered, I did a search. I was getting mixed answers, I need confirmation. Will the SOHC pistons work with a DOHC head. Granted, this is in a 420a Eclipse motor, I plan on turbo'ing, so the lower compression is what im seeking. If its possible to use the SOHC pistons with the DOHC head, Speed pro makes stock replacement pistons that are hyper-eutectic that would be perfect and cheap for a low boost application. Im mainly worried about the valves clearing the pistons since the ECB pistons do not have valve reliefs.

 

the dohc head WILL work with the sohc pistons......the valve reliefs in the dohc pistons arent exatly there so much for the valves as they are for the compression difference

 

Holy crap, someone use the ECB engine code.

 

Thanks for all the replys, I will let everybody know about my setup.

Okay, another question. I think I know the answer, but im not 100%.
Will the SRT-4 cams work in the 420a head, if I just reversed them. Put the exhaust cam in the front, intake cam in the back. And flip them over.

 

Never heard of anyone trying that. I know 2.0 cams work in the 2.4 head, but don't know if it works the other way around.

 

Do you have to modify the 2.0 cams at all for the 2.4? I think I have heard of some kind of spacer or something you have to bolt in or something?

 

The spacers are for the cam gears. You do have to flip the magnet either 90° or 180°, but I don't remember which one at the moment.

 

hmm.. ok

 

have you guys ever had the eclipse motor and a neon motor apart at the same time? theyre identical other than reverse airflow direction in the head.
( honestly i wish neons came with the 4g63) 420a is a heap of ****

 

i know rite! lol