mightyram50.net

How much hp (crank) and boost can single-cam and twin-cam 4d56s handle reliably ? At high boost, do they create much smoke with a cat converter ?

Thanks.


Eric

ok, i think i found it. 280 hp (not sure if it's whp), 4d56 di-d twin-cam

http://translate.google.com/translate?h ... 26rls%3Den

original site:
http://www.penbunemag.com/magazine/maga ... g_id=12931

It appears real estate is going up. this next modified 4d56 goes up to 360 hp.

http://www.youtube.com/watch?v=xtXi3PpoLXs