1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

turbo questions

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Old 07-17-03, 02:28 PM
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turbo questions

if someone had enough knowledge and time, how much would it cost to turbo a 12a? assuming that they scrounge junkyards and ebay and get a decent price(avoid gettn screwed)?what will they need for an intercooled set up?
Old 07-17-03, 02:32 PM
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search and check the archives, there is atleast one or two complete writeups on the exact subject.
Old 07-17-03, 02:46 PM
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But, offhand, I'd say about $3200 US...
Old 07-17-03, 03:22 PM
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$3200??? I've got all my parts and am working on getting it all put together and I'm not even close to hitting $1000 yet

Here's what you need:

-TurboII Exhaust manifold - Put 12a Manifold gasket onto it, mark it, and grind the 13bT manifold to it fits the 12a gasket.
-TurboII Turbo
-TurboII Wastegate
-Nikki(stock) Carb w/mods done to handle boost
-12aTurbo(j-spec) intake manifold(stock will hit turbo), or use TII intake manifold with 12a adapter plate(I have heard this works, but no 1st hand experience with it).
-Turbo Hat for Carb
-GSL-SE Fuel pump
-Rising rate Fuel pressure regulator
-Drill hole/put in fitting in engine front cover for turbo oil return line
-T fitting where the oil pressure gauge gets it's reading from for turbo oil feed line
-Remove vacume advance and weld centrifugal advance on distributor.
-Downpipe + whatever you want to do with the rest of the exhaust.

Plus a few other hoses and fittings to connect everything together. You can also add a blowoff valve or intercooler if you want. You can use lots of other newer turbos, but this is the cheapest, easiest way to go.

If you can do most of this work yourself, it can end up not costing you much $$ at all.

I used www.rotaryshack.com to get most of my parts.
Old 07-17-03, 03:40 PM
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let me know when your done, i'd like to see a final price tag and a good estimate of power gain.

any one else have any estimates on price and power?
Old 07-17-03, 04:20 PM
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mines almost done and im still at 400
Old 07-17-03, 04:23 PM
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dont have a carb yet though. hmmm
Old 07-17-03, 06:40 PM
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Carb? www.rotaryshack.com Robert there can get you either a weber or nikki, either one modded for boost.
Old 07-17-03, 07:18 PM
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clarkson, what all have you aquired, done?
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