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Supercharger blow thru Carb

Posted By HoLun 18 Years Ago
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LON
Posted 18 Years Ago
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HoLun,

I don't think I have any left ,but I will find you one .The crossover set up  is the same as USA ,but in reverse ? When looking at the motor from the front , it comes from the left side ( our drivers side ) and joins the right side ( passenger side ) If that makes sense ??? I,m sure I can get  you one for free . You can pay the postage . I may take a week or so to find one .Send me a PM with your e-mail.

Lon

yblocksdownunder


HoLun
Posted 18 Years Ago
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Lon, I dont think the email button or PMs are working for me, I want one of those RHD crossfold manifold, you can reach me at ( HolunW at Gmail dot com)


HoLun
Posted 18 Years Ago
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Hmm Instead of worrying about the carb, I am thinking to use the autolite 4100 1.12 that i have laying around, jet it up 5-10 sizes, and use solder to seal up some of the holes that will cause boost leak, and use a fuel injector on the charge pipe for extra fuel under boost, and use a adjustable pressure switch to trigger the injecter, I saw this injector setup on a blow thru carb page, so this might work well and i dont have to worry about ruining a expensive carburetor.





After lookin around for a while, I cant seem to find a rising rate/boost reference regulator that will go from 5psi to about 40 psi, does anyone know of one that will work in that range? with 1:1 boost reference



===



Update on regulator, I purchased a Mallory 4307M regulator for 90 shipped on amazon.com

its 4-25 PSI return style (Does that mean I need to plumb a new line all the way back to the fuel tank?!) with 1:1 boost/vacuum compensation port. i think this should work well



I guess I will use the gas tank vent for return, does anyone know what kind of locking cap thats also vented that will fit these old fuel tanks?


Hollow Head
Posted 18 Years Ago
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Check out the google with "Malpassi fuel regulators" as a keyword. Cheap and usable. I have one for twin carbs.

http://forums.y-blocksforever.com/uploads/images/e3fd9a79-e7c3-47ff-a648-8cd5.jpg Seppo from Järvenpää, Finland
www.hollowheads.net (just click the hole in the head to proceed)
LordMrFord
Posted 18 Years Ago
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I heard that Malpassi's pressure is not stable.

3 bar might be 4 or 2.5 in next month.



...rumours from injection forums.


Hyvinkää, FI
HoLun
Posted 18 Years Ago
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OK so far the only thing I have done is modifly my carter afb some to be boost ready by making solid floats and putting in a marine accelerator pump.

and still geathering parts, so far I have purchased 3 turbos, and have already received 2, one of them is a Mitsubish TE04, that thing is way too small for the 292. and the other one is a Garrett T25 with .80 a/r got another exact one coming if 1 t25 is not enugh.

I also have gotten a book on turbocharger and read up on some technical aspect that I didnt know about, and found out how to make vaccum advance work with boost.



also upgraded my wire feed welder to use shielding gas instead of fluxcore, and holy crap, what a big difference it made, I thought my welding skill was bad, turns out it was just my equipment, i'll never use flux core ever again.



and I got to thinking, may be I should use the Holley Projection TBI systems, but i have no idea how that thing work, does it work off of MAP with TPS , or MAF with TPS, or TPS only? how well do they perform under force induction application?



if anyone have experience with these or know where to find info on them with Force induction, please let me know.



also I am wondering if theres a ford TBI type Fuel injection system that have a standalone computer that came from the factory? sort of like the Duraspark conversion, except this is for electronic throttle body fuel injection.





LordMrFord
Posted 18 Years Ago
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I dont know about Holley, but Im running with TBI Megasquirt.

It has everything, what turboengine needs and it can handle the TBI-style injection.

12*12 maps for MAP or TPS based fuel and ignition.

MS is DIY fuel injection, so it needs lot of studying.



Hestek or Haltek is more expensive systems, but more easier.



...and if you want run mechanical injection, some turbofreaks recommends Bosch K-jetronic(or two fourbanger's K-jet for V8) It is quite easy to install and it works without electricity.



Edit:Ferrari F40-style combination of TPS, MAP, RPM is said to be best for turbos.





Hyvinkää, FI
HoLun
Posted 18 Years Ago
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I got stuck on sourcing correct fittings for my fuel pressure regulator, why the @#%6 they have to use AN fittings? and not including good old barb fittings for the inlet and by pass, the out lets are NPT threads so I am ok there. I cant find any barb fittings that will replace the AN-8 fittings.



I dont want to use AN fittings.


HoLun
Posted 18 Years Ago
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the book name is "Turbochargers" published by HP books and author by Hugh Maclnnes


GREENBIRD56
Posted 18 Years Ago
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Holun - Try this site, maybe you can find what you need at an industrial fitting supplier....

http://apps.esg.aeroquip.com/productserver/catalog/aeroquipmain.asp?FAM=m_rfa

Take a look at the "low pressure" stuff.....

Is the item you are looking for an adapter to fit a female, straight thread, O-ring port? It may take some looking but just about every kind of junction can be made in the industrial world. I'll try to think of some other sources.....this is the first one I thought of. Most of the industrial flare fittings are 45° - not the 37° of the AN world - but there are many O-ring, pipe and tube fittings around too.

This is another source of just about everything you can imagine.................

http://www.mcmaster.com/

Good luck!

http://forums.y-blocksforever.com/uploads/images/9ea2bf28-00c4-4772-9ac7-d154.jpg 
 Steve Metzger       Tucson, Arizona



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