Adding an intercooler to a 76 turbo need help

[gorskined]

Can anyone recommend a book or give some advice I'm very 911 savvy but turbo the turbos are new to me I'm looking to add an intercooler to my 76 row turbo... I have the original 76 csi and parts and a later mid-80s turbo cis and associated parts see pictures I also have a long neck andial intercooler that I was told is a easy add on that I'm looking to use.. but I am little confused. So what do I need to make this work. What parts are used and what parts are deleted?

[gorskined]

I can't see how I can install the intercooler and use these parts the rear one is the 80s one on and the front one is the 76...

[dos531]

You will not use those parts. The long neck intercooler deletes the factory bypass valve. You will need to plumb a different bypass valve into the system. I believe they usually use the 965 bypass valve setup.

[gumba]

Here a couple shots of my old '76 3.0 turbo with the Andial i/c, ( the same one in your photo). Maybe this will help.

[gumba]

These are the other i/c parts that were part of that conversion.

[gorskined]

ToVery helpful... Thanks Harold I don't see a bypass valve in your set up? Now I need to source the short connector .. do you mind if I post your picture In. The classified under wanted? Or better yet does anybody have these used parts for sale

[gumba]

You can use the photo, but both those parts are pretty rare. I included a shot of the original tapered piece.
One option is to use silicone reducers with straight sections. I got the reducers and straight aluminum sections from Silicone Intakes. Another option is to have a welder make the tapered piece. I made one for my 3.3 motor..

[gorskined]

Harold
Thanks for your help still a little confused about the 964 bypass valve.. where would that be plumbed in ? I don't see it in your pictures.

I'm wondering if it would be easier to use the later 80 parts and buy a later intercooler?

Regards Ned

[gumba]

The 3.0 intake sets the throttle body at a different angle than the 3.3 intake. You would need to swap to the later intake if you want to use the later i/c stuff.
Not sure what your referring to as the bypass valve.

[gorskined]

The original pipes are cross connected with the exhaust waste gate. So when the waste gate opens it also opens a bypass off the cold side of the turbo.. between the cis and the throttle body... I think I found a picture of it but not sure where it should connect I am referring to the black bypass valve on the elbow

Thanks again sorry for all the questions I should have justtraded this motor and rebuild a regularly aspirated onei would be driving it already ...🙂

tt

[gumba]

That's the blow off valve. On mine, it goes between the back of the i/c and the 90 d inlet hose that feeds back into mixture control unit.
On my Tial wastegate, the top vents to atmosphere and the side outlet goes to the back of the i/c.

I went from various n.a. motors to turbos and wonder why I didn't go with turbos from the start.
With a few simple mods you should get around 350 chp from the 3.0 motor.

fyi, neither one of the i/c's will fit under the stock 75-77 turbo tail. You would either need to go to a '78 and later tail, or a custom i/c made for the early tail. Turbocraft can make one it needed.

[gorskined]

Thanks by chance do you have a picture did you use the 964 blow off valve? Rear deck won't be an issue .. the car came with a 3.8l lid

[Mocker]

Does this pic help? Fabspeed used to sell this kit, but doesn't look they do these days...

[lite75]

installed

[gorskined]

Originally Posted by lite75

installed

Very very nice mine won't be quite as pretty but hopefully it'll run well

[gorskined]

Thanks for the pictures they are a big help
I was able to fabricate the piece between the turbo outlet and the intercooler by cutting and welding the original pipe. now all I need to do is order a blow off valve some silicone connectors and fabricate or find the piece that goes between the CIS elbow and the original turbo inlet pipe... That's a lousy picture The finished product on the pipe is a lot neater looking once i hammered out the dent
and That's electrical tape holding it in place

[Mocker]

Our host sells both the hose and bypass valve you need:

https://www.pelicanparts.com/More_Info/PELFSPOR911TSIH.htm?pn=PEL-FS-POR-911T-SIH&SVSVSI=1013&DID=52022
https://www.pelicanparts.com/More_Info/99311033751.htm?pn=993-110-337-51-M93&SVSVSI=0864&DID=11569

[TurboKraft]

If you don't want a bright red silicone elbow, use
* the factory 1991-94 Turbo intake elbow with BOV port (#930-110-930-382-00 $45ish) that replaces the stock rubber elbow, and
* we offer the aluminum intake bypass tube ($89) that replaces the original cast diverter valve plenum.

Then it will look more like Lite75's photo.

[gorskined]

Chris thanks for the above Info .. funny you mention that about the red .. I didn't like it so a fabricated a connectors see picture I just added a 1 inch nipple on it for the 993 BOV not shown in picture... So my next Question is the bov runs between the i/c to just before the elbow correct..and where in the I/c do I connect the bov as I do not have a 1 inch take off.. can I in large the hole shown on the neck to accommodate a larger fitting?

[stevie 77 930]