what defines a stock bottom end?

Voodoo.Priest · Mar 16, 2004

I keep hearing all these ricers talking about a stock bottem end like it's a huge deal like a big limitation that has the engine close to stock. But trying to look up what this is I have found that cars with this can have over 900 hp. Not exactly close to stock sounding. But reading some other stuff I have read that it is not nesisarilly a good idea as it creates a risk fator for the engine to blow.

What I'm wondering is what parts are required to remain OEM for an engine to be concidered to have a stock bottem end.

MRQtwinturbo · Mar 16, 2004

stock bottom end...would mean no after market pistons or rods.....

Morpheus · Mar 16, 2004

Everything from the head gasket down I think.

Deep · Mar 17, 2004

MRQturbo said:
stock bottom end...would mean no after market pistons or rods.....

Thats pretty much what I translate it to. But... because parts are stock doesn't mean that they haven't been worked over, cryo treatments and coatings for example. Then there's hardware like ARP bolts/studs and coated bearings.

MRQtwinturbo · Mar 17, 2004

my car is limited to around 300rwhp with stock bottom end....MKIV supras....can make around 800 or more on stock bottom end..thats impressive.....

Ratko · Mar 17, 2004

I believe nothing more done to the bottom end except for maintenance work (honing, bearing replacements, gaskets) would constitute a stock bottom end.

Zrain · Mar 17, 2004

while on the subject, is it a good idea to replace the rod bearings of a car with 165k on it? all i gota do is pop off the oil pan and get alital messy.. but is it worth it? and if so whats the best bearings to replace them with? im not looking for HP but if there are any that will help do tell.

what defines a stock bottom end?

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