as far as i know this was never offered on american cars. i hear there is a gain on the top end like 5k to redline. and a minimal loss of lowend. if you have cams its like 10- 15hp. i want to get one of these but i dont have the funds for it
I hate to burst your bubble but the 50 is a complete waste of money unless you like to pay to make your car slower. Large loss of low end and midrange across the board until right at redline. Sure, you can make even more peak HP with bigger cams but then your midrange will be even worse. Save your money, I've been there, done that.
Yep - here we go again is right. Until somebody posts dynos that contradict mine I will continue to refute the butt-dynos of those who say it does what they say it does. 2 liter, schmoo liter, what difference does that make? Your 2L makes LESS POWER than my 1.8L, is that moving UP? How about explaining why that is? I'm not trying to start an argument, I'm just presenting the FACTS as I've experienced them, and have the DATA to back them up.
They don't. My mildly nodded 1.8 makes more power than his more highly modded 2.0. I've got the dyno charts. He's got the 50mm. I did, but got rid of it. His car SHOULD make more power than mine. Are you starting to get the picture?
Well how do you know it's the 50mm that's holding him back? Your comparing YOUR car which DOESN'T have cams or p&p like we're saying... to another car that DOES, that HAPPENS to have the 50mm installed.... That's ALL.
Was it the same brand dyno? Same test conditions? Even the same brand dynoes are known to have a +/- 5% difference (or more) between units. Unless you guys test your cars at the same place on the same day, I'd wonder if the results are really comparable, Speedy? Perhaps either you or Doug can refute me on this.
i have the 50mm on the rocco.. here is what i have noticed..
i did loose a bit of bottom end. and torque.. .but.. will regain after some further tuning.. now.. top end is unbelievable. pulls like no tomorow. . the car has cams,p&p head ..and is a 2.0.
if you have the 1.8 16v. dont bother with it.. . even a stock 2.0 i think will suffer.
personally, i love the look of it also. . would i have done it again.. sure will. but thats just my opinion..
quote:[HR][/HR]Yep - here we go again is right. Until somebody posts dynos that contradict mine I will continue to refute the butt-dynos of those who say it does what they say it does. 2 liter, schmoo liter, what difference does that make? Your 2L makes LESS POWER than my 1.8L, is that moving UP? How about explaining why that is? I'm not trying to start an argument, I'm just presenting the FACTS as I've experienced them, and have the DATA to back them up. [HR][/HR]
this is a pretty silly argument. I have no, make that NO torque loss b/c I have more cc's, that is my point and has been my point for every single one of these threads that have come up. The two dot schmoo makes a big difference (that's funny, I like that).
In your own words: Here's the graph : red is with the 50mm, green is the old run. I got out of it a little early on the original run. The TT module feels like it made a BIG difference, I really need to run it again now. Like I said, from 5k up it really pulls, low end has no noticeable difference from the stock manifold You've solidified my point. You can't compare apples to oranges and that is what you're doing, comparing a modified 1.8 to a modified 2L.
Just for the record, again, if anyone wants to pony the money up for me to make back to back runs I will have the facilities to run the 50 and then reinstall my stock manifold. If Kris' dyno runs aren't enough to make you see what I'm talking about maybe if I do it you will? Hell, maybe I'll just do it anyway.
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