 Engine porn....., Sneak peek at my roller cam blanks and lifters |
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| Jake Raby |
 Sep 21 2006, 07:03 PM
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#1
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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  |
Here they are....
8620 Tool Steel cam blank, copper plated and ready for rough and finish grinding then heat treat and Ion Nitride (IMG:http://www.aircooledtechnology.com/galleries/rollers/Rollers%20033.jpg) The lifters weigh in at 53 Gr, thats 30 grams less than our ceramics, 55 Grams less than our conventional performance lifters and damn near 100 grams lighter than a stock TIV lifter!!! (IMG:http://www.aircooledtechnology.com/galleries/rollers/Rollers%20037.jpg) (IMG:http://www.aircooledtechnology.com/galleries/rollers/Rollers%20021.jpg) Here is the bushing system that drops right into the case and makes it all happen.. (IMG:http://www.aircooledtechnology.com/galleries/rollers/Rollers%20028.jpg) Close up of the CNC bushing (IMG:http://www.aircooledtechnology.com/galleries/rollers/Rollers%20024.jpg) The cam is being ground to a radical profile I designed tomorrow, the first test engine will be on the dyno in two weeks or less. Its a 200+HP, 14.5:1CR 2270 beast with 52mm IDA carbs and plenty of head development! |
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| bd1308 |
Sep 21 2006, 07:08 PM
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#2
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Sir Post-a-lot Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501 |
hydro?
how do ya get the bushing to stay pumped up? |
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| Jake Raby |
Sep 21 2006, 07:10 PM
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#3
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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 |
Nope, nothing is hydro at all...
The bushing fits into the case and allows a specially modified Big Block Chevy lifter to be ran in the non modified Type 4 case. The bushing incorporates a slot that the dowl in the lifter slips into, keeping the lifter from rotating in the bore... |
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| Mark Henry |
Sep 21 2006, 07:16 PM
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#4
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
cool (IMG:style_emoticons/default/cool_shades.gif)
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| Moneypit |
Sep 21 2006, 07:17 PM
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#5
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Member Group: Members Posts: 195 Joined: 4-January 06 From: Georgetown, TX Member No.: 5,360 Region Association: Southwest Region |
I need to change underwear..... (IMG:style_emoticons/default/wub.gif)
How many of these nifty upgrades are compatible with a stock type IV? are these the kinds of things that sorta require other modifications to see benefits? |
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| URY914 |
Sep 21 2006, 07:18 PM
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#6
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I built the lightest 914 in the history of mankind. Group: Members Posts: 120,725 Joined: 3-February 03 From: Jacksonville, FL Member No.: 222 Region Association: None |
So that is a roller lifter?
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| Lou W |
Sep 21 2006, 07:25 PM
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#7
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"Here Kitty Kitty" my ass...... Group: Members Posts: 4,109 Joined: 9-May 04 From: Roseburg, OR. Member No.: 2,039 Region Association: Spain |
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| Jake Raby |
Sep 21 2006, 07:25 PM
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#8
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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 |
Yep..
What you can't see is the other two rollers inside the lifter that the contact roller rides against... Its a hydrostatic floating roller, the oil between the two smaller internal rollers is what it rides on... as far as being compatible with stock components- Sure you could do this to a 100% otherwise stock engine, just don't plan on running stock FI! I plan to build a 100% stock test engine and slap these rollers in, I have plotted 30% power gains, but won't know how accurate it is till I try it... |
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| URY914 |
Sep 21 2006, 07:38 PM
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#9
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I built the lightest 914 in the history of mankind. Group: Members Posts: 120,725 Joined: 3-February 03 From: Jacksonville, FL Member No.: 222 Region Association: None |
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| Moneypit |
Sep 21 2006, 07:40 PM
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#10
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Member Group: Members Posts: 195 Joined: 4-January 06 From: Georgetown, TX Member No.: 5,360 Region Association: Southwest Region |
Coolness. Once I get time someday, I'd love to build an engine kit, haven't decided what i'd want in terms of size, but definately with nickies... i've had my eye on some of those for a long while.
too bad i just put my motor back together. otherwise, i'd have listened to the show and gotten a deal on a kit. are there any decent upgrades that can be done without dropping the motor, aside from a Mallory/Hyfire(in my near future)? Also, any more information i could find on the DTM for 914? haven't seen any specific stuff on the 914 version... i might be interested in one (IMG:style_emoticons/default/drooley.gif) |
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| craig downs |
Sep 21 2006, 07:42 PM
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#11
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Senior Member Group: Members Posts: 768 Joined: 25-November 05 From: mira loma ca. Member No.: 5,189 Region Association: Southern California |
Wow Jake thanks for sharing. That just looks awesome. (IMG:style_emoticons/default/shocked[1].gif)
I hope it works as good as it looks |
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| Jake Raby |
Sep 21 2006, 07:54 PM
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#12
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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 |
QUOTE Also, any more information i could find on the DTM for 914? haven't seen any specific stuff on the 914 version... i might be interested in one 914 DTM info Some pics I am quite confident these rollers will work well, the concept has worked well for the Chevy boys... |
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| Joe Ricard |
Sep 21 2006, 07:55 PM
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#13
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CUMONIWANNARACEU Group: Members Posts: 6,811 Joined: 5-January 03 From: Gautier, MS Member No.: 92 |
30% on a stock engine?????
Hmmm I got me an idea. I off to go read the rule book a gain. D street Prepared HHMMMMMMM... |
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| Jake Raby |
Sep 21 2006, 08:11 PM
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#14
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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 |
Absolutely!
With this arrangement I can open valves at a blistering rate compared to a flat tappet, literally twice as fast as with a stock arrangement! that means huge chamber filling at lower lift values... An autocrossers dream come true! |
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| Chris Pincetich |
Sep 21 2006, 09:07 PM
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#15
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B-) Group: Members Posts: 2,082 Joined: 3-October 05 From: Point Reyes Station, CA Member No.: 4,907 Region Association: Northern California |
SO when are you sending a dozen of these to McMark in Napa? He might have another case splitting BBQ to celebrate. He told me about these last month, and the new tricks they can do with the valve movement. I assume you will develop these for the 2270 for now. Awesome. This, and the new cnc heads, have got to be the biggest TIV break-throughs in the enitre 21st century! Jake, you said on the radio show these would be revealed, and here they are. A honest man of his word....pretty rare in a jungle of grease monkeys! (IMG:style_emoticons/default/beerchug.gif)
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| Jake Raby |
Sep 21 2006, 09:12 PM
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#16
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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 |
QUOTE SO when are you sending a dozen of these to McMark in Napa? He might have another case splitting BBQ to celebrate. This, and the new cnc heads, have got to be the biggest TIV break-throughs in the enitre 21st century! Thanks! There is much more on the horizon! I don't plan on letting these babies out of my sight for 2 years or so- have to give my complete engine customers the edge over everyone else for a while and also i have to really learn these babies before any customer gets them. I have 10 cam blanks made up and 14 sets of lifters, all different composition being made. I'll be wearing out dyno #2 as soon as it gets here and gets installed! |
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| turboman808 |
Sep 21 2006, 09:13 PM
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#17
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Advanced Member Group: Members Posts: 2,718 Joined: 31-January 06 From: North Jersey Member No.: 5,505 Region Association: North East States |
Doesn't look like it goes in a 6 (IMG:style_emoticons/default/sad.gif) (IMG:style_emoticons/default/dry.gif)
Wonder what that would do in the 2.7? Could it hit 300hp? |
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| Jake Raby |
Sep 21 2006, 09:20 PM
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#18
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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 |
You already have OHC, no need for a roller, unless you want to go back toa 4 cylinder and take a 150 pound diet pill real quick..
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| Brett W |
Sep 21 2006, 09:24 PM
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#19
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Advanced Member Group: Members Posts: 2,856 Joined: 17-September 03 From: huntsville, al Member No.: 1,169 Region Association: None 
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Looks like the Jesel Keyed lifters. Cool. Yeah Rollers are where its at. no more flat cams or lifters and you can really get radical with the ramp rates.
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| turboman808 |
Sep 21 2006, 09:27 PM
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#20
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Advanced Member Group: Members Posts: 2,718 Joined: 31-January 06 From: North Jersey Member No.: 5,505 Region Association: North East States |
QUOTE(Jake Raby @ Sep 21 2006, 07:20 PM)  You already have OHC, no need for a roller, unless you want to go back toa 4 cylinder and take a 150 pound diet pill real quick.. Shows you how much I know about these cars (IMG:style_emoticons/default/biggrin.gif) |
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