turbo manifold question - Second Generation Forum

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turbo manifold question
Wednesday, February 01, 2006 12:20 AM
Is the stock 2.0 exhaust manifold turbo flange the same as a t-25 exhaust turbo manifold flange?
I was looking for an adapter flange for my t-3 turbo and i found this on ebay.
I was wondering if it would work?


View item description:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=8034069915&sspagename=ADME:L:RTQ:US:1

Re: turbo manifold question
Wednesday, February 01, 2006 1:12 AM
Dunno if that would work. Given it looks to move the turbo a good 3-4 inchs further out from the motor, and your going to a BIGGER turbo. You are going to be very close to the radiator if not hitting it. (or taking up the space where it is supposed to be for that matter).

Get a another stock maifold and just have a new t3 flange welded on it.




95 Cobra
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Re: turbo manifold question
Wednesday, February 01, 2006 1:18 AM
Quote:

Dunno if that would work. Given it looks to move the turbo a good 3-4 inchs further out from the motor, and your going to a BIGGER turbo. You are going to be very close to the radiator if not hitting it. (or taking up the space where it is supposed to be for that matter).


yeah, i was thinking the same thing.
I didnt know if all t3 turbos had the same exhaust manifold flange.
Re: turbo manifold question
Wednesday, February 01, 2006 7:22 AM
t-3 turbos all have the same flange. just like all t25s have the same flange.

i dont think there is room for that adaptor there. im not a fan of welding to cast iron. in all honesty, the best for reliability is to have a turbo header built. this also opens up for using an external wastegate.



Re: turbo manifold question
Wednesday, February 01, 2006 3:15 PM
Yes, you can use that adaptor. There is a guy on here using that one prior to him making a new manifold. I'm sure he'll chime in here

to use it though is going to require moving the oil return to the pan, up high, but lower then stock (make sure it's above the oil level !!!!"

You'll need new oil feed and coolant lines.. I reccomend using steel braid and adaptors.

you'll need a new charge pipe

New air cleaner

New exhaust

After that it will work great though

sharkey wrote:t-3 turbos all have the same flange. just like all t25s have the same flange.


Wish that was true, but it isn't. Mopar T-3's for instance use a different flange - one of the bolts is "offset" if you've ever seen one you'll know. I run a Mopar T-3 on my car.



Re: turbo manifold question
Wednesday, February 01, 2006 3:21 PM
Wow interesting that fits. Seems like you would have clearance issues.



95 Cobra
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Re: turbo manifold question
Wednesday, February 01, 2006 3:23 PM
Labora wrote:Wow interesting that fits. Seems like you would have clearance issues.


I should have also noted.. you'd have to change your radiator fan shroud, mod it like mine, move it or make a new one etc.. Also, you'll have to ditch A/C if you have the compressor and such.



Re: turbo manifold question
Wednesday, February 01, 2006 9:42 PM
Quote:

to use it though is going to require moving the oil return to the pan, up high, but lower then stock (make sure it's above the oil level !!!!"


Stupid question:
Alright, basically the stock oil return line runs to the frontside of the engine.(correct?)
Another Stupid question:
Im really not sure why i will have to move it?
Am i relocating the oil return line because of the new turbo? or because of the spacer?
Re: turbo manifold question
Wednesday, February 01, 2006 9:58 PM
the spacer is moving the turbo down a few inches. with the turbo lower, the oil drain line will dip down and have to go back uphill. this will make it so the oil wont drain back properly. you need to move the line to the pan so you have the oil draining downhill.



Re: turbo manifold question
Wednesday, February 01, 2006 11:37 PM
Quote:

the spacer is moving the turbo down a few inches. with the turbo lower, the oil drain line will dip down and have to go back uphill. this will make it so the oil wont drain back properly. you need to move the line to the pan so you have the oil draining downhill.


Thanks
common sense sometimes isnt there when you need it.
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