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 tweety
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| posted on May 12th, 2012 at 08:25 AM |
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Thanks Joel. I'm running a new thread on a trike forum on superchargers so ahve to get it right so your info is very valuable. Bit like my
experience with women ... lol
With the ea81 advanced timing being I think 28 degrees then if it was fixed at say 16 or 20 with no advance at all it would allow me to ride it to a
good tune up place for correct timing to be done? I have an electronic dizzy
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fast68
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| posted on May 16th, 2012 at 11:58 AM |
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Hi Joel or anyone else, any info on running temps, Cylinder head, oil.
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tweety
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| posted on May 17th, 2012 at 06:46 PM |
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I've been told that the VE velometric efficiency of a blown engine will determine the accuracy of the psi obtained.
If a VE of an engine is say 80% and your boost gauge indicates 6psi...you could be achieving 9-10psi in real terms.
is this the case?
I've calculated the VE of a ea81 stock to get .79
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Joel
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| posted on May 17th, 2012 at 08:51 PM |
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Tweety, the watercooled engines are alittle more tolerant to more advance under boost than the old aircooled volksys, you would just have to have a
play around see finding how much timing it likes without knocking, but just limiting the advance is alot better than locking it.
Fast68, I saw no changes in oil temp but I'm sure if I had a head temp gauge and nailed it up a big hill I'd see a the head temps creep up abit but
nothing worth worrying about.
Before they changed the Pacific highway speed limit on the big St Helena hill at Byron Bay I used to love blasting past all the modern cars at 110km/h
up there.
The WTF looks I used to get were priceless.
If it was gonna die that woulda been when and where.
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tweety
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| posted on May 18th, 2012 at 06:54 PM |
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Thanks Joel for a priceless thread. Got a lot of info out of it. Havent received my SC12 yet, still in transit. likely sitting in a freight shed in
Shepparton.
This thing will sing its head off and I wont hear the misses. bonus....(I've resisted intercoms haha)
Tony
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vdubjim
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| posted on March 16th, 2015 at 01:48 AM |
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cant wait to find one |
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Joel
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| posted on March 16th, 2015 at 11:46 AM |
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Jeez back from the dead.
I've still got my 1776 engine and Supercharger setup to go in another bug (was hoping to build a Baja) but everytime I get one its either too rusty
or sold before I get the chance.
I got another Superbug last year with a dead engine I was going to put it in but another member on here came up from Sydney to buy it before I had the
chance.
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vdubjim
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| posted on March 16th, 2015 at 11:54 AM |
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lots of posts on the web with this setup but none as through.
also ran across the joeblow.me site. friend of yours? |
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humpty
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| posted on March 16th, 2015 at 11:56 AM |
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| Quote: | Originally
posted by vdubjim
cant wait to find one
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Have a chat to Mick Percy in Adelaide (joeblow.me).... He has a kit to make this kit a bolt in.... It uses a DCOE carb I think.... Its very similar to
the one that Joel developed all those years ago.
Have you seen Brocks VRod here in Perth Joel?... I helped him (very minor help) develop a more traditional setup on his car... With twin carbs!
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Joel
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| posted on March 16th, 2015 at 11:57 AM |
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Nope but I'd like to, got a link or pics?
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humpty
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| posted on March 16th, 2015 at 12:04 PM |
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Joel
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| posted on March 16th, 2015 at 12:13 PM |
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Now that is awesome.
Just needs one of those old school Bee scoop intakes like some of the old Dick Landy blowers for bugs had.
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vdubjim
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| posted on March 16th, 2015 at 12:18 PM |
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micks setup is cool, but $950 us for a bracket and pulleys?? nahh im good |
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humpty
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| posted on March 17th, 2015 at 12:46 AM |
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| Quote: | Originally
posted by vdubjim
micks setup is cool, but $950 us for a bracket and pulleys?? nahh im good
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A bit more too it than that, but im sure you'll come up with a nice setup... Make sure you do a build thread!
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vdubjim
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| posted on March 17th, 2015 at 02:15 PM |
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Reading this post there is??
Note my price, I'm not talking his whole kit..
Speaking of kit.....who was first? Joel or Mick, or they together? I'm curious since your so defensive. |
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modnrod
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| posted on March 17th, 2015 at 03:00 PM |
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| Quote: | Originally
posted by Joel
Just needs one of those old school Bee scoop intakes ..........
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I'm with you Joel!
I like them a lot too.......
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Joel
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| posted on March 17th, 2015 at 08:17 PM |
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Holy crap Dave is that a NOS bottle on that kwaka?
| Quote: | Originally
posted by vdubjim
Speaking of kit.....who was first? Joel or Mick, or they together? I'm curious since your so defensive.
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Micks kits were a few years after mine but I'm certainly not the first person to stuff an SC12 on a VW engine, probably just the first to document in
depth
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modnrod
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| posted on March 17th, 2015 at 09:42 PM |
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| Quote: | Originally
posted by Joel
Holy crap Dave is that a NOS bottle on that kwaka?
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You'd be amazed how many people believed me when I said it was a fire extinguisher! 
That Volksrod over here is just a ripper. I have the hugest respect for the builders Zen-like patience in getting a plate on it over here, truly
remarkable.
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tweety
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| posted on March 20th, 2015 at 08:34 PM |
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I planted a SC12 on my ea81 Brumby engine on my trike. Now its NA. If you do it, water injection is a waste of time and money. Didnt assist fuel
consumption and just added more "stuff" in the engine bay.
For a manifold between the delorto and the Sc I used half of a Datsun 1600 twin carb manifold. worked well in terms of fitment.
And it was all done with Joel's help too
Humpty, that beetle looks great.
Tony
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humpty
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| posted on March 24th, 2015 at 03:57 PM |
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| Quote: | Originally
posted by modnrod
| Quote: | Originally
posted by Joel
Just needs one of those old school Bee scoop intakes ..........
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I'm with you Joel!
I like them a lot too.......
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Mad man!
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vlad01
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| posted on March 24th, 2015 at 06:51 PM |
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| Quote: | Originally
posted by tweety
I planted a SC12 on my ea81 Brumby engine on my trike. Now its NA. If you do it, water injection is a waste of time and money. Didnt assist fuel
consumption and just added more "stuff" in the engine bay.
For a manifold between the delorto and the Sc I used half of a Datsun 1600 twin carb manifold. worked well in terms of fitment.
And it was all done with Joel's help too
Humpty, that beetle looks great.
Tony
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yeah water injection is only there to cool the intake charge in order to avoid detonation.
most SC engine setup are inherently inefficient due to parasitic losses.
can be roughly 20-50% or more of the power gained is lost to driving it in the first place.
modern screw type blowers however are extremely efficient volumetricly and if the complete package is designed right can have more power and improved
economy. But certainly wont get that from a crappy SC12 or SC14 
an eaton or whipple screw blower would been a great choice.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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tweety
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| posted on April 7th, 2015 at 10:38 PM |
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o the aussie designed and made Sprintex. Seen on some Harleys Mini's and Honda Jazz they are nicely compact.
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Joel
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| posted on April 8th, 2015 at 08:23 PM |
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| Quote: | Originally
posted by vlad01
modern screw type blowers however are extremely efficient volumetricly and if the complete package is designed right can have more power and improved
economy. But certainly wont get that from a crappy SC12 or SC14
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You may be right in theory but as is often the case, in practice/reality is a completely different story.
The 1776 was never dynod with this setup but power and torque wise it was on a par with my EJ22 but the stock 1600 went from 44hp stock at the wheels
to 85hp at 8psi.
I did several trips to Brisbane with that setup and highway cruising got better fuel economy than stock, not by a lot but you're talking double the
HP with better highway economy.
THe blower just freewheels in a vacuum when the engine isnt under load but the engine isnt having to work as hard on hills and overtaking.
Even in town it wasnt that much worse unless I was driving in race mode.
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