can anyone tell me the limits on the stock bottom end? looking to see what kind of HP numbers i can push through my f20 without having to build it.

thanks

tom

 

Estimated, about 350whp with out a head gasket, and about 500ish with a 3mm head gasket. No other head or bottom end work.

 

Do a search. We just had this argument about a month ago here.

A headgasket has nothing to do with the bottom end breaking. It would break due to factors including but not limited to; torque, tune, strength of your rods.

 

500 is pushing it, but at 500hp i would be worried with the rearend also.
just finished tune on one did 400hp and 300tq, a blast to drive, cold starts and idles like stock, if it is your daily driver i would not go more than that, hell that is enough, traction becomes a problem now!

 

My car (before this ****ing bullshit phantom exhaust leak that I can't pinpoint) pushed 412whp and 300tq on a DYNO DYNAMICS dyno which is more like 450whp on a dynojet and who knows how much tq. It is my daily driver and has been since June 07, and I have NO issues with traction at all.

 

so were saying if i keep it around high 300's to low 400's my stock engine will be fine. as long as the aem keeps it all under control?

 

Yep, just make sure you go to a reputable tuner. I just got tuned last week and 375whp is plenty of fun (for now).

 

if u really worry about ur engine , then get a Super Charger.
Running like stock under 6k rpm.
after 6k power kick in rightaway.