Eddie Brown wrote:Hi. I remember seeing in the Pelican Parts 914 BBS a picture of an old ad for the 914 kits that were produced by Crown. Joe, did you design that kit?. I have a couple of 914's and I always liked the concept of that design. I don't know how well they performed... It's a shame that no one ever continued those kits. I remember that someone had one of those kits for sale about a year ago. I wish I could've bought it.
Joe, I always look foward to your posts. They're so informative. I feel as if I'm in class or something. As well as all others that give they're knowledge for free in this forum. Thanks.
PS. Joe, is there a link to the picture of the motor that's in your Avatar?Or info on that motor for that matter.
Take care,
Eddie.
Hello Eddie,
As far as the "Pelican" systems for the 914's are concerned. I don't know which system that is, never seen it, though I'm pretty certain it would be either the "Crown" or "BAE" system if old enough. Back then the turbocharging industry was in a continuous state of flux, revisions were commonplace and therefore specifications would always change. Many, times after receiving feedback from distributors we'd attempt duplicating the circumstances leading to the boggle on one of our company "mules" if we had one handy, or work out an equitable arrangement for a willing customer to allow us use of their car as a developement vehicle
or do the "field testing" for us while following a specific and strict set of operating conditions....Log the results, anylize them...and proceed with any required updates...My responsibility was basically
damage control...Except for the Cosworth Vega, Chevy/GMC SB pick-up, Datsun 240/260/280Z, Jetronic Opel Manta 1.9 which I was responsible for , many other systems/kits were already in place . If we received news of any type of failure, it was my group that came up with remedies concurrent with developing new systems and revising existing ones. At times a daunting task which required a complete re-engineering of componentry.
As far as the 914's are concerned....They were so underpowered in standard form that even modest boost levels resulted in a transformed driving experiance...Still...They weren't/aren't "turbo-me-friendly" for several reasons. Case/head stud spacing allows larger P/Cs yes (large bore=good).....At the expense of head seal integrity (bad), this became readily aparent under high cycling fatigue conditions, or
wide open throttle for any reasonable time period with anything more than .5 bar (7 to 8 p.s.i) manifold pressure. The amount of "
blow-by" (at the head of course) was impressively ugly.... High oil/head temps... LENGTHY plumbing due to packaging constraints, along with a first generation F.I. system (unresponsive) made the 914's less turbo-worthy than other platforms....My contribution to the 914 systems was concise and adament...."boost levels are under no circumstances to exceed .5 bar".
Remember....We were attempting to substantially upgrade performance on
then new and rather pricey vehicles
without tearing into the motor or removing (a felony offense) any emmisions related equipment, though saavy installers knew how to "fudge" and many times did....STRICTLY and ABSOLUTELY Bolt-on was mandatory. Reliability, drive-ability, ease of installation with little or no additional maintenance were the criteria..
Mickey Mousing wasn't a part of our professional lexicon... We utilized only factory components where possible as evidenced by systems such as the early Z where I opted to utilize
one of the
two Hitachi/Kehin (SU knock offs) constant velocity carbs in a draw through system. The 2.0 litre ford pinto, 2.6/2.8 litre V-6 ford capri/mustangII, chevy vega, toyota R 20/22 systems all used the factory progressive downdraft along with their corresponding ignition systems which were appropriately modified by the installer with the required jets, advance springs/weights etc...which were provided along with detailed installation instructions and a comprehensive tuning guide....Of course we offered "for off highway use only" upgrades for the carbureted systems....mainly DCOE conversions which allowed impressive output gains at a slight corresponding decrease in service life...Still, well worth the effort since the progressive carbs were absolutely horrible....In every case...the DCOE "retrofit" resulted in far superior operational characteristics accompanied by output increases inconceivable with downdraft progressive carburetion....
Back to the 914's....Today...With all of the delightful technology at our disposal at a relative low cost, an appropriate and effective, reliable system could certainly be engineered for the long gone 914's.....Though I honestly do not believe the 914 market makes for a target rich environment....Too labor intensive....And even though much more affordable these days...Still, rather costly.
The type IV can be effectively "charged"...once design limitations have been addressed appropriately....Mainly...additional studs to secure the head to the case....I'm well aware of the "Nickies" available through L&N, and though these are certainly a step in the right direction, they do not address the fundemental design weakness of the type IV..... ....All it takes is $$$$....knowledge and desire....
As far as pics of our "turbo" motor is concerned:
I can only offer 2 at this time, installed in a '59 beetle my former partner, and GREAT GUY!... Billy Shaws car ("Moore Part Source")....There were actually two iterations...both (appearance wise) were identical....one a 2017..the other, a 5.392 rod 2332...Both...crank fired and fully ECM managed....The prior with an SDS system (fantastic value)...The latter with a "Motec M4"...I'm certain. many are sick of seeing these photos since they've been around for a while...But, since you've asked....Here they are....
What you see from behind while being "spanked".
http://photo.starblvd.net/TURBOJOE/1-1- ... &ro=0&co=1
What you see if lucky enough to peer under the decklid:
http://photo.starblvd.net/TURBOJOE
Pretty cool huh?
I've always been a "stickler" for technology and doing things right regardless of cost....This car/application was an indication of just how "ingrained" my philosophy is....Nothing outwardly barking potential (everything under the decklid, no standoffs), yet capable of oppositional humiliation if the need arises....Regardless...do it right the first time...It's hard earned $ well spent....
Thanks for the kind words Eddie...Hope I've helped...