Do you have a M20 hot rod or swapped Motor?

[SkiFree]

I am just curious as to the various reasons why some of you have decided to build out a m20 motor (n/a, turbo, supercharger) to get more power and performance vs. go the swapped route (M5x, S5x, LS1, etc).

See quote, OP is not asking for the opinion of those who have swapped out the M20, he's asking for the reasons behind KEEPING the M20.

[firemanory]

This.

If money is no issue just put a f20c in there :D

You really have to wring those motors out to get the big numbers out of them. If money were no object, why would you use this motor?

[YosemiteSam]

huh? I'm not trying to convince anyone to do engine swaps at all, I like M20s. But if you want a high reving N/A motor than I think what you want is an engine swap, not an M20. And for starters, stroker and high reving don't go well together. If you want high reving then increase bore, not stroke.

Oh, I guess that does make sense. I hadn't really looked in to it yet since I am poor and I most likely won't even be in a financial position to start for several years. Thinking about it now, it seems obvious that a shorter stroke would be advantageous for a high rev motor.

[Eurotrash727]

And for starters, stroker and high reving don't go well together. If you want high reving then increase bore, not stroke.

This.

If money is no issue just put a f20c in there :D

[VinniE30]

I haven't actually done it yet, but at this point my plan is to eventually build up a high reving stroker M20. I have considered doing an engine swap, but I just love the idea of high reving N/A motors.

huh? I'm not trying to convince anyone to do engine swaps at all, I like M20s. But if you want a high reving N/A motor than I think what you want is an engine swap, not an M20. And for starters, stroker and high reving don't go well together. If you want high reving then increase bore, not stroke.

[YosemiteSam]

I haven't actually done it yet, but at this point my plan is to eventually build up a high reving stroker M20. I have considered doing an engine swap, but I just love the idea of high reving N/A motors.

[VinniE30]

m-thirty. They are a bit thirsty, but the TQ is worth it.

I have an M30 and I approve this. The power from idle to redline is a night and day difference from an m20.
Except in my experience it's no more thirsty than an m20, mostly because it makes its peak torque at lower rpm.

[george graves]

m-thirty. They are a bit thirsty, but the TQ is worth it.

[jaywood]

This is going to be good!

[Court M3]

Here is one set of arguments

http://www.e30performance.info/viewtopic.php?f=28&t=1334

[firemanory]

I am just curious as to the various reasons why some of you have decided to build out a m20 motor (n/a, turbo, supercharger) to get more power and performance vs. go the swapped route (M5x, S5x, LS1, etc). I know much of it will be money related, as a go fast M20 can run as much if not more than a swapped motor (I understand that if you factor hiring someone to do all the work it can obviously be substantially different in price), but whatever your reasons were for doing one or the other, I would like to hear them. I would really like to hear from the M20 hot rod guys...but want as much input as possible.

Some things to include, but not limited to:

Final build specs (if available)
Whether you did all the work or not
If not, what did you have a pro do
Goals in the build
Planned budget and how much over/under you went
What car is used for ( i.e. commuter, AutoX, HPDE, drift, etc)
What you learned
Regrets
Unexpected positives or negatives
Change in fuel economy
If you had to do over, what would you do now

My goal is to hear from both sides of the camp and see what I may learn through others for possible future work...

Cheers