A6 Turbo Motor Build

1602 Views 6 Replies 6 Participants Last post by KansasKev, Jan 31, 2007

KansasKev

Discussion Starter · Jan 30, 2007

I picked up an A6 block and some extras for $30. I am a noob when it comes to rebuilding motors, so I will need all the help and suggestions I can get. I have been doing alot of research though. This will be going in 1 or my 3 crx si's.
I am going to completely build the motor. It will be for a occasional weekend driver and some long trips.
I haven't found a step by step build so when I get finished with mine I will be doing one.

Goal: 200+hp

I think the first thing I should do is take the bare block to the machine shop and have them check the crank and hone the cylinders? They should be able to tell me what size bearings and pistons to use?

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tubafreak

· #2 · Jan 30, 2007

That's around double stock power. You're going to have to go turbo to get to 200 HP. You'll need a lot of machining work, new pistons (low compression), probably some forged rods, maybe some head work on the stock head. Go to one of your local shops and talk to them about what you want, they'll be able to tell you where you stand and will probably be able to suggest a few alternatives for you.

Also, 200 HP in a CRX makes for a very fast car. If you're doing mostly street driving you'll probably be better served building to 150-160 HP (or do a B swap).

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nashole

· #3 · Jan 30, 2007

http://www.epsturbos.com/Engine.category

http://www.honda-performance.com/nask_kms.asp?sent=yes

Try these i happened to stumble across them while browsing. Might be a good place to start.

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ollie

· #4 · Jan 31, 2007

I did my mini-me turbo setup and I am probably just under the 200 hp range.
If I had to guess I'm sitting around 185-190 with my boosted setup.

Word of experience to you sir....Don't skimp on turbo parts because you WILL upgrade after you see the limits of inferior boost parts.
Also if your shooting for 200 don't forget to upgrade the trans w/a nice clutch and good AXLES! LIKE I SAID IF YOU SKIMP ON PARTS YOU'LL WISH YOU HADN'T.
If you need any help on turbo parts just PM me.I'll help any way I can.

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atomikpunx

· #5 · Jan 31, 2007

jeff frank has done lots of a6 / zc turbo builds
on www.homemadeturbo.com

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Its me DUB

· #6 · Jan 31, 2007

Adam and TK at ef-honda.com both ran high powered D's with mild builds.
http://ef-honda.com/main/viewtopic.php?t=25061
http://ef-honda.com/main/viewtopic.php?t=24628
Adam ran was running 300hp/250wtq as a daily driver for quite a while before it blew (a few years and around 15k miles if I remember right), and TK was right behind him...around 280hp I think. After seeing what is possible in their A6's, I honestly believe that a good turbo set-up is 95% in the tune. Don't skip on the tune.
Stock honda motors are stronger than people give them credit for. Too much bad rep by ricer boys turning up the boost without proper tune.

Good luck.

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KansasKev

Discussion Starter · #7 · Jan 31, 2007

ollie said:
I did my mini-me turbo setup and I am probably just under the 200 hp range.
If I had to guess I'm sitting around 185-190 with my boosted setup.

Word of experience to you sir....Don't skimp on turbo parts because you WILL upgrade after you see the limits of inferior boost parts.
Also if your shooting for 200 don't forget to upgrade the trans w/a nice clutch and good AXLES! LIKE I SAID IF YOU SKIMP ON PARTS YOU'LL WISH YOU HADN'T.
If you need any help on turbo parts just PM me.I'll help any way I can.

I was hoping to find a detailed step-by-step write up on how to assemble the motor.
I don't plan to skimp on anything as I am in no rush to get this finished. I just want to learn how to build the motor.
My Si trans will be fully rebuilt with lsd and a new clutch. I will probably be PMing you often.
Thanks for the help.

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