whatchu know about a FB turbo 12a?
Thread Starter
Joined: Jan 2005
Posts: 2,903
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From: palmyra Indiana
whatchu know about a FB turbo 12a?
I'm a man of few words. Thanks out to Jeff20b for carb mods. and dizzy. 







Last edited by lastphaseofthis; Apr 29, 2016 at 08:03 PM.
I like what I see.
How big is your carb hat's inlet? It's huge. Is that an S4 turbo? Which year intake manifold is that? Just curious because I have an S4 turbo that needs to be installed somewhere. Maybe throw it on a 12A.
How big is your carb hat's inlet? It's huge. Is that an S4 turbo? Which year intake manifold is that? Just curious because I have an S4 turbo that needs to be installed somewhere. Maybe throw it on a 12A.
Thread Starter
Joined: Jan 2005
Posts: 2,903
Likes: 5
From: palmyra Indiana
it's 3 inch in to 4 inch wide.. im going to pie cut up a new one i think...
all i got left it to figure out what do with with my coolant out of the turbo, and chop and cut the down pipe... and fuel pump stuff for boost, tho fuel setup would be ok out of boost.
all i got left it to figure out what do with with my coolant out of the turbo, and chop and cut the down pipe... and fuel pump stuff for boost, tho fuel setup would be ok out of boost.
Nice,I like what your doing.it like how you welded your oil drain to the front cover. You can leave the coolant lines not hooked up,but I would get something to plug the holes where the lines go on the turbo
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This: 45º Elbow Barb Fitting 5 8" ID Hose x 3 8 NPT Fuel Boat | eBay
It looks a little different from the one pictured, but the features are ideal. 5/8" nipple with 3/8" NPT. Worked perfectly. Nice large ID for easy oil flow. I install it down on the somewhat horizontal flat area below the OMP. Not the vertical area where the factory 12AT oil return was.
It looks a little different from the one pictured, but the features are ideal. 5/8" nipple with 3/8" NPT. Worked perfectly. Nice large ID for easy oil flow. I install it down on the somewhat horizontal flat area below the OMP. Not the vertical area where the factory 12AT oil return was.
Thread Starter
Joined: Jan 2005
Posts: 2,903
Likes: 5
From: palmyra Indiana
if you notice my oil feed and my drain are exact factory of a turbo II and this is the only way i do things. even when it comes to an after market turbo i want factory type hard lines, no rubber.. ever. its just my standard mainly because next is its for sale.
yes i had to pull the front cover and keep the clutch pressed it whle the hub was off, yes i broke my first attempt out of frustration.
yes i had to pull the front cover and keep the clutch pressed it whle the hub was off, yes i broke my first attempt out of frustration.
Yaaaay another turbo nikki. 
I guess I'm the redneck that just took the coolant lines off and didn't stuff anything back in the holes.
What kinda I/C piping are you using? I was thinking about just getting some 1 & 1/2 inch exhaust pipe and using that stuff for mine.

I guess I'm the redneck that just took the coolant lines off and didn't stuff anything back in the holes.
What kinda I/C piping are you using? I was thinking about just getting some 1 & 1/2 inch exhaust pipe and using that stuff for mine.
Thread Starter
Joined: Jan 2005
Posts: 2,903
Likes: 5
From: palmyra Indiana
man i wish i coulda kept track were which cars i pulled them from but i have 5 or 6 that came from volvo vw saab and subaru. the ic pipe is all aluminum... just a genaric ebay kit, i think its 1.5 maybe 2.
Thread Starter
Joined: Jan 2005
Posts: 2,903
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From: palmyra Indiana
I don't like one of the lines.. probably remake them both.. but here is how im doing my FPR. it's the mallory 4309.stil waiting on the fitting for the m10x1.0 carb threads.




Last edited by lastphaseofthis; May 19, 2016 at 02:33 PM.
Thread Starter
Joined: Jan 2005
Posts: 2,903
Likes: 5
From: palmyra Indiana
Dunno if you are the first to put a regulator on a carb, but I don't see it being an issue. I've always seen them on the firewall. To be honest I wanted to mount it closer to the carb, but I never saw any mounted on the engine itself so I went the road often traveled and mounted it on the firewall (baaaaa baaaa I'm a sheep). I like the metal lines you've got going on there looks sharp.
EDIT: Got a fuel pressure gauge?
Last edited by Qingdao; May 19, 2016 at 08:07 PM.
Thread Starter
Joined: Jan 2005
Posts: 2,903
Likes: 5
From: palmyra Indiana
the pressure gauge will be on for test and tune... then i hope for trouble free performance from the system and don't plan on having too many things to worry about watching. i may let jeff change my mind ...
Yeah, but its lazier to just leave it in place as apposed to finding a plug to fill the hole. AND I'm VERY lazy.
Thread Starter
Joined: Jan 2005
Posts: 2,903
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From: palmyra Indiana
why, what if it doesnt leak fuel without the annealing.. what if copper annealed is as hard as aluminum not annealed...
i dont see the need for changing the hardness of the copper, as i never have before on brake calipers and you are talking 1500+psi with brake pressure....
please enlighten me. :P
i did some searching... annealing makes it SOFTER.. not hardened.. and people do it to used ones make reuse them... i am using new copper.. no worries. but good to know.
oh you meant the ones for doing the jet change.. you cheeky basterd.. im gonna go new on those too, got like 1000s of washers..
i dont see the need for changing the hardness of the copper, as i never have before on brake calipers and you are talking 1500+psi with brake pressure....
please enlighten me. :P
i did some searching... annealing makes it SOFTER.. not hardened.. and people do it to used ones make reuse them... i am using new copper.. no worries. but good to know.
oh you meant the ones for doing the jet change.. you cheeky basterd.. im gonna go new on those too, got like 1000s of washers..
Last edited by lastphaseofthis; May 20, 2016 at 01:21 PM.





