yea...its preeeeetty tight.
pretty crazy difference in appearance, those fat lobes should be friendlier on your valve train as well as the ramp rates surely should be decreased. They're like giant mounts instead of pointy mountains
In case y'all haven't figured it out i'm Quintin@USRT. Anyway TT doesn't sell turbo software. C2 and united motorsports does for the 2L (tho I'm running 1.8t ece and software ) Scott@USRT owns this car now...call him for orders. I jus left for army basic training today so I'm unavailable. Goodbye.
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I just wanna throw this out there as some FYI about this cam before everyone jumps on board that its the best thing FI for your ABA, and I'm not dissing this cam by any means. What you need to understand is Q was pushing some very serious numbers and got a very serious cam for power gains very high in the power band.
More than likely this is not going to be the best choice for the majority of builds as it will take away from spool, low and mid range torque to move the power band to 6k+... which really most ABA's are reving too much further past that point...
So you'll be losing some of that area under the curve in most mid power area's which could potientally make your car slower as you arn't utilizing the potential area's that the cam is exceeding against a 260/256 or 268 or 270 cam setup.....
For general setups, the 260/256 is an excellent cam... I've ran all of the above listed cams on different turbo's and exhaust housings (besides of course the current TT we are discussing), and honestly if I had some more time/$ to throw around I'd go back to the 260/256 to understand its benefits on my current setup than the 270 I'm running now.
From the begining of time the reason we choose different cams over stock ABA was..."I want my car's power to pull to redline and not be such a mountain as the stock cam gives.." and all cams listed above will do that, so choosing bigger is not always better based on your setup.. Cam tuning is a very unknown subject around the vortex IMO and it is VERY dependent on what setup you are running... like turbo size, housing choices, head work....and rev ranges
Keep in mind Q's car had head work too, it can very much alter how a cam/turbo setup performs.
I just wanted to make sure some of the newb's understand what they're getting into
I'm hoping this cam does take away from my low range and helps with spinning the tires so bad. I'm hoping somebody would have some numbers up by now or even a first hand comparison. I talked to tt yesterday and they spoke highly of this cam saying it was very streetable and what not. My car is going together in the next few weeks and I will post some numbers up. My motor is no mountain motor but I am curiuos to see how this cam performs.
Now we just need some more cams and a dyno...should certainly take less than 30mins to swap out cams
Now I have a short runner with large plenum and 57trim with .63 exh, 9.6:1 CR on the 270...
I've went from 268 to 260/256 to 270..... from the power band perspective I would like to see the gains in spool and mid torque the 260/256 may bring with very little (i'm expecting) loss from top end power 5.5k+
I don't have any solid facts to justify my direction, just general overall experience... from all my years on the vortex, many of which I've ran this ABA-T and I've never seen any graph to spool like mine on a 50trim, and I feel much of that is from the 260/256 cam/turbo combo.....
There was a graph floating around where I overlayed my torque curve vs BBM charger and it almost matched from 2-3k... and then I far exceeded it
I'd be interested in that too, I haven't even received mine yet.. they sent me the wrong 276 and said they'd send the right one the instant the confirmation went through that I shipped the cam back.
I send an email a couple days later asking for a tracking number.. they never even had a batch ready in the first place.
this the one your getting?:
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