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

82 12a turbo build and resto lots of pics

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Old 01-25-10, 12:14 AM
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82 12a turbo build and resto lots of pics

so i started working on my car a week before cristmas and it was a daily driver before this i was tired of it being ugly and not fast shall i say cause it wasnt slow it just didnt have enough for me it will be gloss black real paint not rattle can and i have some nice five spoke aluminum wheels for it tell me what ya think
Attached Thumbnails 82 12a turbo build and resto lots of pics-100_1538.jpg   82 12a turbo build and resto lots of pics-100_1534.jpg   82 12a turbo build and resto lots of pics-100_1533.jpg   82 12a turbo build and resto lots of pics-100_1528.jpg   82 12a turbo build and resto lots of pics-101_0592.jpg  

Old 01-25-10, 02:33 AM
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nice build. That's a cool way to do a draw through turbo setup, I've never seen it done that way. A big thumbs up!
Old 01-25-10, 08:27 AM
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i think the car is way too low and the intake/carb setup is kinda hoaky and inefficient. i can appreciate the amount of work that went into building the car and i commend you for that.
Old 01-25-10, 09:11 PM
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different....wonder how well it works?
Old 01-25-10, 09:38 PM
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I've seen some old Beetles done that way with a drawthrough. Better put a wideband O2 on that thing. Not too bad a build.
Old 01-25-10, 09:46 PM
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Originally Posted by bad 83
I've seen some old Beetles done that way with a drawthrough. Better put a wideband O2 on that thing. Not too bad a build.
I have too and you know what....those beetles hauled *** too!!
Old 01-25-10, 09:59 PM
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Here's another one like it, only a lot more $$$ spent http://www.bryanf.com/510/engine.htm
Old 01-25-10, 10:03 PM
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And this one is really unique https://www.rx7club.com/1st-generation-specific-1979-1985-18/12a-turbo-running-poorly-770398/
Old 01-26-10, 12:33 AM
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well i am still not done there will be new couplers and clamps this was just a mock to see if it would work and the carb is higher than the intake on the turbo so why does it matter i have 100 dollars into this other than what i paid for the motor it was a budget build and i had all the things i needed to do it and the thing gets it on pretty good and im only running 5 psi and thanks to all of you that had positive feedback more pics coming soon
Old 01-26-10, 06:23 PM
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There is always lots to criticize, just depends on how one chooses to look at things. Little money, lots of creativity and originality, I gotta praise the effort. Anyone can write a cheque. Every year I do a little more to my car.....can't afford everything at once.
Old 01-26-10, 07:13 PM
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Wow I must say I have never seen a blow throuh setup that way before. just looks odd,

good job
Old 01-26-10, 07:48 PM
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Not blowthrough........Drawthrough.

Anyone ever see that episode of Pinks with the turbo Beetle? Some serious power can be made. I just have never liked the "risk" factor with the drawthrough.
Old 01-26-10, 07:53 PM
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That fourth pic looks like friggin' PREDATOR
Old 01-26-10, 08:33 PM
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Whats your suspension set-up? Is it a track vehicle or is it driven on the street?
Old 01-28-10, 11:07 PM
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Originally Posted by bad 83
Not blowthrough........Drawthrough.

Anyone ever see that episode of Pinks with the turbo Beetle? Some serious power can be made. I just have never liked the "risk" factor with the drawthrough.
what risks are involved? or did you just mean more likely to have detonation
Old 01-29-10, 01:33 PM
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Good work. Don't kill your engine with that crappy air filter. I had one of those triangle style foam things on my car. I paid quite a bit for it because it looked so nice, but they don't really work. When the vacuum rises, the filter pulls in and distorts allowing dirty air to go straight into the motor.
Old 01-30-10, 04:57 PM
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around how many hp are you gonna pull? what turbo are you using? what port?
Old 02-01-10, 12:26 AM
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thank you it is stock height for now i took my lowering spings out because i did that bumper swap and the wheels so i have to lower it to match now its a t3/t4 and i have steped up to eight pounds it has a good old gm quadrajet carb on it and i changed the intake charge pipe setup now for better flow and reliability now more crappy hose clamps its t clamps now
Attached Thumbnails 82 12a turbo build and resto lots of pics-100_1539.jpg  
Old 02-01-10, 12:32 AM
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o ya he is talking about the risk of fuel puddling in the intake and it exploding but he must have forgot how much vacuum a rotary motor creates i dont believe you have to worry about it and drawthrough must be fairly safe because 90% of factory turbo cars before fuel injection were drawthrough the buick gnx the turbo trans am renualt fuigo just to name a few
Old 02-01-10, 10:04 AM
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Talking from experiance... your system will have a lot of fuel dropping out of suspension... especially at lower RPMs (under 2-3k). The intake from the carb to turbo is long and flat (you'll loose some there) and routing the air/fuel mixture up and through a couple bends AFTER the turbo (you'll loose some more atomization there) and fuel will also drop out of suspenstion at the bottem of the turbo.... again, MOST of these issues will only be noticable at lower RPMs.
Well, enough pointing out stuff... i was just trying to clear things up a bit. Great job on the fabrication... I know it isn't easy.
Feel free to check out my DRAWTHROUGH build as well...
https://www.rx7club.com/1st-generation-specific-1979-1985-18/12a-cartech-drawthrough-help-814461/

-Chris
Old 02-01-10, 10:36 AM
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is that you chevy??

awsome little setup you have there ill have to stop by next time im down there. where you living now give me a pm..
Old 02-01-10, 11:28 AM
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hey cris yeah its me im livin by the papa murphys pizza place now ya let me know next time your down yes i know it is not the most eficient way to do it but i have not had a problem with it yet i have no problems at all in the low rpms the charge pipe is short enough it doesnt matter it idles better and runs way cleaner than it ever did n/a
Old 02-01-10, 11:35 AM
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oh and by the way bearzah i did all my own work i didnt buy anything i built my own manifolds turbo and intake I made them i built all my own stuff it was built not bought the only thing i didnt do was the rollcage and heliarcing cause i dont have a tig welder
Old 02-01-10, 05:37 PM
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Originally Posted by wayfastwitey
oh and by the way bearzah i did all my own work i didnt buy anything i built my own manifolds turbo and intake I made them i built all my own stuff it was built not bought the only thing i didnt do was the rollcage and heliarcing cause i dont have a tig welder
nice... good to hear.
Old 02-01-10, 06:26 PM
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I still like and respect the effort and ingenuity on this.


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