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 rayjay turbo- w/ Pics

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nick_701
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PostSubject: rayjay turbo- w/ Pics   Mon Sep 19, 2011 11:45 pm

Ok I got it even though I was told not to I just traded my old alum gas tank for a RaJay Model# 377B25 P# TC-76-99 w/Bendix RJ10039 carb, so what do you think, I had no use for the tank and wanted a turbo so figured why not. Let's make it work, it has no shaft play that I can feel and spins free


Last edited by nick_701 on Tue Sep 20, 2011 3:14 pm; edited 1 time in total
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PostSubject: Re: rayjay turbo- w/ Pics   Mon Sep 19, 2011 11:52 pm

I guarantee my Dad will try to buy/trade you for it! It sounds like you got a good deal. Was it a spun tank or what?
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 12:34 am

Yeah it was a spun tank
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 9:46 am

Oh No not a RayJay my heart flutters when ever I hear those words. So you have a summer set up time to make a winter one. You have a great turbo and when I get the time can maybe figure out if it is the right size. I believe all Rayjays have a carbon seals so you can go both ways. Great score......
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 1:21 pm

Yeah I have been trying to research it and get any info I can, hard to find info on this one but I say a YouTube video with a rayjay turnip kit and he had documentation on install etc, I'm tryin
g to find that
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 2:25 pm

post some pics
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 3:08 pm

Here she is



With VW exhaust gasket, i thought that three bolt flange looked big


Doesnt look rusty inside just dirt and grime


should i take it apart and clean it?
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 4:26 pm

It is a water cooled turbo. Do not take it apart it is balanced, and sealed.

Its funny I did a search for the carb and found a posting from the PO. I should be interesting. I will look into it later

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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 4:52 pm

The larger exhausts have a larger 'triangle' bolt pattern.

The 1 7/8 merged header I am putting on May has a larger pattern that looks the same as that one.

What is the distance between centers on the flange. I will measure and compare just for curiosity...


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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 5:47 pm

I will get some measurements when I get home, water cooled will make it interesting ill post some links when I get home of info I found. I have found this set up online and it didn't appear water cooled ill look into it, thanks guys

The line that us sticking off it I thought was the oil line ill look again
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 8:28 pm

just because it is water cooled you do not have to run it. Your was not used it was plugged. I have a water and oil and an oil only Rajay. I have to go I will get back later
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 10:17 pm

looks like three inch hole to hole (centers)


Can i rotate the intake housing output to make it line up more with the exhaust housing input


Like this rayjay turbo set up i found


But i almost think it would be better with the exhaust housing on the other side away from the alternator, what you think?
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 11:02 pm

With a draw-thru like you're showing, you are limited to mounting the turbo directly to the manifold. Or something close.
With a blow-thru, you can mount the turbo where you want (within reason) and plumb it to your carb. You must mount it above the oil level of the engine so that the turbo will drain its oil back into the motor.
Trading a gas tank was a good deal. Throw away the side draft carb and blow it through your Weber. Keep it down around 7 or 8 lbs, and you can have a very streetable car.
Here's my setup with an intercooler:

[img][/img]
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 11:13 pm

Ah ok i see, gonna have to figure out how to fit it under the decklid
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PostSubject: Re: rayjay turbo- w/ Pics   Tue Sep 20, 2011 11:35 pm

nick_701 wrote:
Ah ok i see, gonna have to figure out how to fit it under the decklid
It can be done.......
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PostSubject: Re: rayjay turbo- w/ Pics   Wed Sep 21, 2011 10:15 am

You will need to call CB and get some parts



And than you will need one of these



A fuel injection fuel pump. Ford Van is popular

my set up but dot do it blow through



I ran a generator for clearance. You can get a cover for the turbo it a metal blanket..


And you can CLOCK the turbo be real careful the gaskets are fragile.


See if you can pick up the book Turbomania Amazon sells it it is good reference book

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PostSubject: Re: rayjay turbo- w/ Pics   Wed Sep 21, 2011 6:55 pm

Does anyone have buggy headers like this that I can get? I think I can make it work for my turbo set up
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PostSubject: Re: rayjay turbo- w/ Pics   Wed Sep 21, 2011 7:00 pm

I have seen that book and will look into cb parts. Why us the fuel pump is important, I'm already running an electric pump, but um guessing it's cause u need more psi for the turbo. Does your set up fit under the deck lid?
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PostSubject: Re: rayjay turbo- w/ Pics   Wed Sep 21, 2011 8:32 pm

Boosting is easy but you have rules. Your fuel pressure have to be x over boost. Normal Fuel pressure is 4 lbs boost is 7 lbs new fuel pressure has to be 11 lbs
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PostSubject: Re: rayjay turbo- w/ Pics   Wed Sep 21, 2011 9:00 pm

Got ya I have read that, does fuel pressure have to increase as boost does? Regular 4 and jump to 11 under boost, basicly boost controlled fuel pressure? Thanks for the help I'm excited


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PostSubject: Re: rayjay turbo- w/ Pics   Wed Sep 21, 2011 9:02 pm

you will also need



All of the exhaust need to be bolted no slip joints

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PostSubject: Re: rayjay turbo- w/ Pics   Wed Sep 21, 2011 9:03 pm

I would use a vacuum advance distributor

detonation will kill your engine
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PostSubject: Re: rayjay turbo- w/ Pics   Wed Sep 21, 2011 9:05 pm

Copy that
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PostSubject: Re: rayjay turbo- w/ Pics   Wed Sep 21, 2011 9:38 pm

pretty soon you are going to have to talk to Eric he is the master. My system is different than yours. Now I am going to build one similar to yours if my bug does not sell. I have the header an it should fit under the deck.

David
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PostSubject: Re: rayjay turbo- w/ Pics   Wed Sep 21, 2011 9:52 pm

I'm currently building a turbo header out of a 4 into 1 street header and a pair of cannon pipes. I can post some pics if you like.
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