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> Twin turbo T4 914 on BAT, Interesting build
bahnzai
post Jun 17 2022, 08:53 AM
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https://bringatrailer.com/listing/1976-porsche-914-57/

Very interesting build and choices.

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SirAndy
post Jun 17 2022, 09:06 AM
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Looks nice enough ...
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(IMG:http://www.914world.com/bbs2/uploads_offsite/bringatrailer.com-179-1655478362.1.jpeg)
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Shivers
post Jun 17 2022, 09:43 AM
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Very cool looking. Nice clean install, I might plumb the intake filter location into the trunk above. Pretty hot there. Mine collects all sorts of stuff on that rear body panel behind the bumper.
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ValcoOscar
post Jun 17 2022, 09:49 AM
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NARP74
post Jun 17 2022, 09:52 AM
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I think I saw a nitrous cooling system for the heat exchangers. That would solve the hot air intake for the filter location. Amazing amount of work on that car.
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930cabman
post Jun 17 2022, 11:09 AM
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Talk about setting the bar!! (IMG:style_emoticons/default/aktion035.gif) (IMG:style_emoticons/default/aktion035.gif)
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bdstone914
post Jun 17 2022, 11:29 AM
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I dont see any air intake for the inner coolers. Would be interesting the oil and head temps
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ndfrigi
post Jun 17 2022, 11:34 AM
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is that 75/76 heat exchanger?
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Superhawk996
post Jun 17 2022, 11:36 AM
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QUOTE(bdstone914 @ Jun 17 2022, 01:29 PM) *

I dont see any air intake for the inner coolers. Would be interesting the oil and head temps


Bingo.

Not to mention putting the intake down where all the road debris is flying around and counting on a simple K&N cone filter to "filter" it. Not to mention, you're ingesting the hot air wash off the engine. The CO2 loop on the inter coolers is novel, but, you can't run that every time you want boost.

I'd also be curious to see how much turbo heat is rising up into the trunk via the vented trunk floor right above the turbos. I assume the idea is that hot air is exiting there but given the trunk is in a low pressure region behind the back glass, I wouldn't be surprised if the hot air is getting sucked up into the inter coolers though that vented panel.

Looks great on a hoist though (IMG:style_emoticons/default/screwy.gif) Cool toy for talking about at cars and coffee. . . practical, not so much.

In reality, I'm just jealous I don't have this kind of time and or spare $$ to be doing projects like this. (IMG:style_emoticons/default/headbang.gif)
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moto914
post Jun 17 2022, 04:21 PM
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Looks like they could actually come out ahead on the project.
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stownsen914
post Jun 17 2022, 05:29 PM
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I like the exhaust note
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r_towle
post Jun 17 2022, 05:58 PM
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So much work, cool ideas.
To bad it has not seen a dyno to get tuned.
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raynekat
post Jun 17 2022, 08:47 PM
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QUOTE(stownsen914 @ Jun 17 2022, 04:29 PM) *

I like the exhaust note


Yep...wicked sounding idle.
Like a mini 935.
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SKL1
post Jun 17 2022, 10:00 PM
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Yes it does sound good. Agree on the air intake- horrible place.

Surprised to see this is in the PHX area- never seen it at any Scottsdale C&C, even the Porsche specific one in old Town at 4 till 4. Maybe it can't get there from Peoria...
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gereed75
post Jun 18 2022, 08:25 AM
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QUOTE(r_towle @ Jun 17 2022, 07:58 PM) *

So much work, cool ideas.
To bad it has not seen a dyno to get tuned.



Very cool with a lot of engineering. Having gone this far it seems to me that maybe a more 935 like treatment might have provided some better intercooler/intake solutions

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Along the lines of the Rod Emory 356 rsr. Integrating the flairs into a 935 like rear valence may provide some intercooler placement room

This is a very creative effort!!
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914e
post Jun 18 2022, 09:34 AM
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QUOTE(SKL1 @ Jun 17 2022, 09:00 PM) *

Yes it does sound good. Agree on the air intake- horrible place.

Surprised to see this is in the PHX area- never seen it at any Scottsdale C&C, even the Porsche specific one in old Town at 4 till 4. Maybe it can't get there from Peoria...


When it hits 90F before the coffee shop is even open, I imagine this build is running hot.
I have never seen it either.

Since it is expected to be a nippy 100 F today think I will rebuild my transaxle I have been putting it off long enough.
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rhodyguy
post Jun 18 2022, 09:48 AM
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Chimp Sanctuary NW. Check it out.
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A 40k (so far) 'light' project.
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Maltese Falcon
post Jun 19 2022, 12:50 PM
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QUOTE(914e @ Jun 18 2022, 08:34 AM) *

QUOTE(SKL1 @ Jun 17 2022, 09:00 PM) *

Yes it does sound good. Agree on the air intake- horrible place.

Surprised to see this is in the PHX area- never seen it at any Scottsdale C&C, even the Porsche specific one in old Town at 4 till 4. Maybe it can't get there from Peoria...


When it hits 90F before the coffee shop is even open, I imagine this build is running hot.
I have never seen it either.

Since it is expected to be a nippy 100 F today think I will rebuild my transaxle I have been putting it off long enough.


Am I not seeing an oil cooler in this proj ? It's gotta be somewhere. AZ Temps are more brutal than here in SoCal and I've put oil coolers in all of the 4,6,8 cylinder 914 forced induction builds. Wouldn't take much to add one to this exquisite build...and moving the K+Ns no big deal !
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ClayPerrine
post Jun 19 2022, 06:26 PM
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QUOTE(914e @ Jun 18 2022, 10:34 AM) *

Since it is expected to be a nippy 100 F today think I will rebuild my transaxle I have been putting it off long enough.


Piker.....it was 104F today, and has been above 100F for the last week here in DFW.
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