$215AU = $160US

Why keep the compression the same? Lower it so he could boost more on the pump gas.

 

this is a good thread, boe ur a good lil guru

 

isn't he just looking to learn to rebuild an engine? Yeah, look a couple posts up, he's still talking about NA. And I was just confirming for him that we're not talking about $1600, but closer to $160.

 

Look at all the info out here... god i love this forum.

Anyway, hypertech's have been around for some time... as far as boosting goes they tend not to stand up to well after you get into the teens. The biggest drawback to them is that detonation breaks them fast. They can't take the minor detonation for long that is usually experienced in tuning a car. They are great for lower boost aplications and have been used widely in many cars that are supercharged direct from the factory. Mustang's being the first that come to mind.

You'll find that the stock Rods won't take much after 12-13psi... doesn't matter if you lower the compression or not. Since you'll be making the same power or more on them they will be in danger of breaking at that point. If you want to go higher you'll definately want to change them out.

For the price though they are hard to beat... just be sure you have a knowledgable person tune the car. Droping the compression will drop you torque/hp down a bit but you can deck the head and gain most of it back. Also you'd find that the lower compression/decked head would probably respond a lot better to a bigger cam like the RPW stage 2.

Gotta love the info... tell me when your head is about to burst and we'll stop... NOT!

 

comatose, you've got a pm.

 

wow you guys are great...thanks for all the good information...keep it coming if you still got more. i'm learning more by the minute talking to you people....also to clear any confusion, i will probably be staying NA for atleast another year (since either choice i make i will have to gather up more $$$ than i have right now)...with all of this information i am really leaning towards a 2nd motor. the way i am understanding it is, there are more possibilities for me NA than i had known (high compression), not to mention how much i could learn by pulling off more than a tranny or head....boe, if the RPW's you guys were talking about run up to round 12-13psi i would probably end up scrapping them later on right? by later on i mean once im FI...i have read all sorts of threads on "safe" amount of boost on the G94 and found nothing totaly conclusive...would it be possible (budget in mind) to eventually hit around 19 psi ?

 

If you decide to go the lower compression piston route, keep in mind that your power will suffer until you get that FI installed. Your MPG will go up some, though I know I'd be disappointed to do all that work and get negative gains.

 

Omarboy25 reached the highest boost (I think) of 18psi. He have done a LOT of work tough, and he is the fastest.

I believe at 16psi or a bit higher your valves will start to float, either that or pump gas would not be enough.

14psi should be fine with pistons and rods.


Why do you want a second motor? With rods and pistons together install shouldn't take longer than 10hours max.

 

19psi isn't for the budgeted person...

11psi can be done on budget...

13-14psi could be done on budget and a loan...

19psi is done by getting a second on your house...

That's the difference in pricing... if you know what i mean.

 

there's a few reasons i'd like to pick up a 2nd motor...#1 i'd like to do the install myself at my own pace so i can learn a lot more, absorb everything i'm doing, etc. #2 if i install the pistons + rods and grenade something, i'd like to have something to fall back on to get me to work. #3 i was also looking into porting/polishing the head while it was out...that should be a little bit of downtime since i don't plan on doing the work myself.

pretty much, it's just an idea to keep me interested and learning....i know it's an expensive 'idea' but feel it would be beneficial to know more and actually see first hand how the parts are installed blah blah blah....do you see what i'm getting at? this kind of seems like rambling now.

 

there's a few reasons i'd like to pick up a 2nd motor...#1 i'd like to do the install myself at my own pace so i can learn a lot more, absorb everything i'm doing, etc. #2 if i install the pistons + rods and grenade something, i'd like to have something to fall back on to get me to work. #3 i was also looking into porting/polishing the head while it was out...that should be a little bit of downtime since i don't plan on doing the work myself.

pretty much, it's just an idea to keep me interested and learning....i know it's an expensive 'idea' but feel it would be beneficial to know more and actually see first hand how the parts are installed blah blah blah....do you see what i'm getting at? this kind of seems like rambling now

 

wow thats strange...sorry, my computer froze..didnt mean to repost.

 

i think 19psi can wait thanks boe. the help is greatly appreciated...after all of the info you guys have given me i think i will take the route of a 2nd motor. less chance of problems, more to learn, and more options staying NA than i was aware our lancer's could handle...if anybody else thinks of something i could do please let me know. i'm open to new ideas. PM me or post. thanks again

 

If you stay NA maybe even try the twin throttle bodies by RPW?

 

if you read up on the twin TB's, you'll need some sort of stand alone which if i plan on going with stand alone i would probably toss a stage II camshaft and gear in there...if it was a little less costly for such little gains i might consider it...maybe later down the line.