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Author: Subject: Yamaha 1999 R1 Turbo
mark chandler

posted on 23/12/11 at 05:01 PM Reply With Quote
That replumbing looks a lot more useful to me, I bet you have added 30BHP already but will need the RR to prove.


With regards to room for the turbo, it looks like you have plenty of space, you can always relocate the oil filter with sandwich plate, I used a kit for an escort, just had to modify the central bolt to suit the blades fine threads, as a bonus I get to use a cheaper oil filter

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Or hang it outside

We make things fit here, as we make things It's a good excuse to purchase a tig welder and some 1.5" stainless bends

BTW, can everyone stop posting those great looking manifolds, I may have to revisit mine feeling the shame.

[Edited on 23/12/11 by mark chandler]

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macboycie

posted on 23/12/11 at 06:01 PM Reply With Quote
There some great cars out there.
I like where my turbo is as I get get to everything.
I will get a tubular manifold made in that position, but do you all thing I will lose any power from that position

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mark chandler

posted on 23/12/11 at 07:37 PM Reply With Quote
Yes, sorry as you are just turning the gases to many times so slowing the velocity which stikes the vanes.

Make sure the bend into the Turbo has a big a radius as possible.

Heat however is what is killing your power IMHO, your re-plumbing looks to have sorted that, just feed with cold air from the front and you will be there , bit more work required as still behind the rad.

Years ago I raced landrovers and had the air filter behind the front wheel, car used to pink when hot, by simply boxing in the air filter and cutting holes to the outside world I solved the issue, if you cannot extend the air fliter then make up a shroud to stop air from the rad entering.

[Edited on 23/12/11 by mark chandler]

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SausageArm

posted on 29/1/12 at 11:17 AM Reply With Quote
Did you ever get to the bottom of or make any progress with the lack of power issue?
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macboycie

posted on 31/1/12 at 10:51 AM Reply With Quote
I have not done anymore since moving my intercooler as I've been in India working on the motor show

[Edited on 31/1/12 by macboycie]

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