Rolling Thunder!, 2270 Raby Kit Rocks! |
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Rolling Thunder!, 2270 Raby Kit Rocks! |
ConeDodger |
Dec 17 2007, 08:35 PM
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#1
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Apex killer! Group: Members Posts: 23,612 Joined: 31-December 04 From: Tahoe Area Member No.: 3,380 Region Association: Northern California |
Just rolled into the driveway from a 70 mile trip back from McMark's Original Customs Shop in Napa... Wow. I left Mark's shop at about 4:30pm so I knew I was going to get some traffic. But magically, it was sporadic and I just cruised. This motor just never ceases to amaze me. 5th gear passes are no problem. The power is everywhere. Not peaky at all. just pulls from the bottom to the top. I love this motor!!!
I think my motor is a similar combo to Dave Hunt. He has Nickies which are actually good for a little power in addition to better cooling. I will be working out some details over the winter which will be small stuff at best. Possibly an external oil cooler. Though, I have to tell you guys this again, this motor runs cooler than my stock 2.0 liter. I strongly recommend the 2270 Raby kit. Build it yourself or have Mark do it. He has a couple of them under his belt now. This is the motor VW-Porsche should have used. |
Jake Raby |
Dec 18 2007, 06:07 AM
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#2
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
Well, well, well....
How a couple of years can change things... A couple of years ago anyone starting a thread like this would be been blasted to Mars and told that those results were impossible or "That guy in Georgia isn't doing anything special to these engines". I fought with those bastards, fought with the engine and got the results we were looking for, and yes it is special and no, you can't parallel it without a kit! Like my Dad always says "Nothing ever stays the same". We have worked hard to develop the 2270 and 2316 combos for more power and less cost, the 2008 kits, when released in a few days will be proof of this. The biggest change with the 08 kits is the fact that we won't be selling them to anyone having them assembled bu a shop other than MarkD (on the west coast) and DTM Engineering (on the east coast) since the reconfigurations we have done to make the engine kits easier to assemble. With my "Extensive prep" service we mock up the entire engine, measure deck, crunch the CR and even do valve train geometry for you! Its a heck of a deal at 650 bucks extra! With this uyou womn't need a single special tool.. Heck, I am shooting the assembly video now and will be purchasing a 120 piece craftsman tool set to use in the video to prove thats all is needed to put the entire engine together aside from whats included in the kit when the "extensive prep" service is added. Rob, your kit varys greatly from Dave Hunt's, especially in the camshaft department.. You have the same heads and basic parts, but the cam is not even close to being the same.. We are still trying to find the reason why Dave's engine made so much more power than it was supposed to. The key behind the success of my engine development program has been focusing on very broad, very usable power across the entire RPM range and sacrificing "peak" power figures for a higher average power. Extending the torque curve into a "torque plateau" has been the goal. Below is the power output from last week's test of the LEAST PERFORMING member of the 2270 family for 2008. Two years ago this combo would not have broken 140HP, and it would have taken another whole point of CR and 5 degrees more duration to even get that much power from it! remember, this is a DAILY DRIVER combo, designed for drivability and longevity, it doesn't have or need dual valve springs! (IMG:http://images.thesamba.com/vw/gallery/pix/400811.jpg) When is the last time you saw flat torque between 3-5,500 RPM??? Nope, we aren't doing anything special at all... Some jack asses still think that! This post has been edited by Jake Raby: Dec 18 2007, 06:08 AM |
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