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Author: Subject: Rx8 1.8t 20v conversion for track
obr_technology

posted on 14/6/16 at 07:16 AM Reply With Quote
Great stuff, nice to see the project progressing John.
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john-t5

posted on 19/6/16 at 08:26 PM Reply With Quote
Ordered some parts to make the the breather system.






Hope to get a full day working on the car tomorrow

Cheers John

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john-t5

posted on 3/11/16 at 05:02 AM Reply With Quote
Turbo coolant feed pipe made.


Bottom radiator pipe made.


Top radiator pipe made.


Cheers John

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john-t5

posted on 3/11/16 at 05:03 AM Reply With Quote
Been a while since I've been able to work on the car. But finally got the intercooler in a position I'm happy with. Had to remove the front crash bar, I'll make a different one up. Didn't realise the intercooler was this big.








Cheers John

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john-t5

posted on 3/11/16 at 05:03 AM Reply With Quote
Started to mock up the boost pipes. Even made my own bead roller of sorts. Should do the job.


First boost pipe just about mocked up.



Cheers John

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john-t5

posted on 3/11/16 at 05:04 AM Reply With Quote
Got one of the boost pipes done. Quite happy with it for a first attempt.




Have to make an exhaust manifold now. Lesson learned about buying a cheap eBay one.
ops: #-o

Cheers John

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john-t5

posted on 3/11/16 at 05:05 AM Reply With Quote
New Exhaust manifold here. Some assembly required.


Could be a while before it gets done. :cry:


Find out on Thursday if it's broken or not.

Cheers John

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john-t5

posted on 3/11/16 at 05:05 AM Reply With Quote
Started to mess about & mock up the exhaust manifold tonight. No off the shelf manifold will fit, due to how far I'm into the bulkhead. #-o


I'll need to sit & update first post with times, still start the stopwatch when I go into the garage. Just keep forgetting to lift notepad to update the time & don't want to guess at it, or lie about time. :^o

Cheers John

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john-t5

posted on 3/11/16 at 05:06 AM Reply With Quote
Thankfully the ankle is all healed up now & I can finally get on with the car. I've not been sitting about doing nothing though.

Last month I got the chance of being part of the pit crew for a super tourer at the super tourers race at knockhill & also part of the crew for the ultima again. To say I was chuffed is an understatement, even although I was still hobbling about.








Unfortunately one of the BMW cup cars I help with had a small bump & any spare time has been spent repairing that. But worth it finished today & back ready to race this weekend.



This is the last race of the year, so more time to get the RX8 done.



Cheers John

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john-t5

posted on 3/11/16 at 05:07 AM Reply With Quote
Managed to get a few bits done. Brackets made for the breather & ABS block. Both fitted. Just waiting on 2 ends to finish the breather pipes. But I'll get the brake pipes done while I wait.



Cheers John

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john-t5

posted on 3/11/16 at 05:07 AM Reply With Quote
Been a bit distracted from the project again, missed track too much. So dragged the 3 door out & got it ready for a bit of a play last weekend the weekend



Finally got the manifold made up, let's hope it works. On to making the intake pipe & boost pipe up. Ends for breathers here too, so let's hope for big progress this week.


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john-t5

posted on 3/11/16 at 05:09 AM Reply With Quote
Sorry I hadn't posted for a while guys. But have copied over some updates. This is where I stand at the moment. Slow progress, but it's still progress.

Cheers John

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obr_technology

posted on 4/11/16 at 11:04 PM Reply With Quote
Glad to see you are making progress John, sounds like you are suffering for mounting the engine so far back into the bulkhead. I'm sure the end gains will be worth the hassle!
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john-t5

posted on 11/12/16 at 04:11 PM Reply With Quote
Got some time at last to finish the inlet side boost pipe (almost forgot to mount the map sensor) & start mocking up the turbo side pipe.








Not to sure about it at the moment, would like the turbo outlet a bit shorter.

Cheers John

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Toprivetguns

posted on 11/12/16 at 06:37 PM Reply With Quote
Very keen to see this RX8 up and running. A friend has just started a similar project with an Audi V8.

Keep us posted !





Only drive as fast as your angel can fly... !

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john-t5

posted on 14/12/16 at 04:09 AM Reply With Quote
Now that sounds interesting. I hope he does a build thread I can follow.

Cheers John

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CosKev3

posted on 14/12/16 at 07:28 AM Reply With Quote
Cut the outlet off the turbo and weld it back on facing forwards would be my suggestion

Done it with the GTB2260 on my daily driver and it does not effect performance.

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PAUL FISHER

posted on 14/12/16 at 12:23 PM Reply With Quote
What ECU are you using for this conversion.
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john-t5

posted on 15/12/16 at 03:19 AM Reply With Quote
That's what I'm looking at doing, cutting & modifying the outlet pipe. I'll need to get it sitting were I want it. Turbo has been a bit of a pain.

I'm running the standard VAG ECU bosh me7.5 to run the engine & the rx8 ECU to run the dash & the rest of the car.

Cheers John

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john-t5

posted on 5/1/17 at 03:41 PM Reply With Quote
Well turbo outlet cut & away to get welded. So I thought I'd move on with another job.

Need some connections from the rx8 engine loom to power the dash, ABS & steering. Also the revers light & neutral switch wiring is in here. Info on this is not as readily available, like the VW stuff.


Also have the starter & charging loom to sort to work with the rx8 starter & VW alternator. Then get it all in the bay along with the VW loom & looking neat.

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john-t5

posted on 14/1/17 at 12:41 AM Reply With Quote
Modified the RX8 engine loom for the sensors I need to power the dash, steering & ABS.

Before


After


Also got the turbo back. Bit better looking now.




Cheers John

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john-t5

posted on 17/1/17 at 03:38 AM Reply With Quote
Both looms in & wired. Car now starts from the rx8 key, dash working. Need to tidy it all up to look nice now. Well chuffed.

Still lots to do intake still to finish, accelerator pedal to modify, fuel system to finish. But a least there is a bit of progress.

Cheers John

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Toprivetguns

posted on 17/1/17 at 10:17 AM Reply With Quote
Good work so far!





Only drive as fast as your angel can fly... !

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john-t5

posted on 18/1/17 at 12:42 AM Reply With Quote
Thanks, taking a lot longer than I had planned, but just can get the time I want to spend on it. Target is track use this year.

Adapter made to run the rx8 coolant temp sensor. For the dash & to run the cooling fans.


Passat pedal modified to fit the pedal exactly in the same place as the RX8 one. Also made a new plate to mount the rx8 pedal plate, so it looks the same as the rest.


Cheers John

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Gre3D

posted on 10/2/17 at 11:02 PM Reply With Quote
wow,
lots of work went into this project allready!
i'm curious to seeing it run, should make a fast car!

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