Wayne's boosted 8 project

[Mr Spiller]

Question again
If I buy one of these

Do I then lose the 7 throttle body ?
Well
That’s what my thinking is ?


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[Grant Monkhouse]

Yes you will be getting rid of that throttle body if you are converting to an rx8 DBW throttle body

Have you thought of using an fd gear box instead of an rx8? They're longer so engine doesn't have to go back as far or are you having to move it further back to sit on the mount you have?

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[Grant Monkhouse]

Just so you know your not the only one to struggle with clearence,, this is as close as I can get mine, actually wanted it further forward another 20mm but just makes the job harder with more cutting and stuff, my gear box is almost in the stock mx5 position.

If I had an rx8 box and clutch it would require me to do as your doing as the 8s is shorter

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[Grant Monkhouse]

It's tight isn't it

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[Mr Spiller]

Yes you will be getting rid of that throttle body if you are converting to an rx8 DBW throttle body

Have you thought of using an fd gear box instead of an rx8? They're longer so engine doesn't have to go back as far or are you having to move it further back to sit on the mount you have?

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Yes you will be getting rid of that throttle body if you are converting to an rx8 DBW throttle body

Have you thought of using an fd gear box instead of an rx8? They're longer so engine doesn't have to go back as far or are you having to move it further back to sit on the mount you have?

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Thanks Grant
It is currently sat on the mount so that would have to be adapted if I put an FD box and I have a selection of 5 and 6 speed boxes here for the 8 .
Good news on the throttle body then as the 7 one is huge .this will mean a lot less cutting of the firewall .
Wow yours is tight  , but not that bad , at least you still got room for brake lines .
There’s  always the option of getting one like Clive had made I suppose
Food for thought I guess
Thanks again Grant


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[Grant Monkhouse]

I think  some of the aftermarket lower inlet manifolds, excessive and elite rotaries, help lower the upper inlet manifold. Would that help if the upper inlet was lower for clearence?

Added benefit of those is also better air flow per rotor  and they have 4 Injector ports on the LIM so you just use 1 fuel rail.

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[Grant Monkhouse]

The aftermarket LIM  also move the UIM forward

Look at this picture

Just giving you ideas for clearencing instead of pound the 8 to pieces



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[Mr Spiller]

The aftermarket LIM  also move the UIM forward

Look at this picture

Just giving you ideas for clearencing instead of pound the 8 to pieces



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The aftermarket LIM  also move the UIM forward

Look at this picture

Just giving you ideas for clearencing instead of pound the 8 to pieces



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Grant thanks
The beating of firewall was ok to start but my backs in half now
I’ll look into elite and excessive  later or tomorrow , especially if I only need one fuel rail
I don’t think I have one yet nor injectors yet


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[Grant Monkhouse]

Iv very rarely come across any second hand but they are around.

If you have the rail with 4 injectors then you can block off the Injector ports in the centre iron Or run 6 x 1000cc Injectors OR some 2200 CCs if your looking for some huge power out of that turbi

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[Grant Monkhouse]

https://xcessivemanufacturing.com/mazda/rx-7/fd.html

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[Grant Monkhouse]

https://eliterotaryshop.com/shop/ols/products/elite-rotary-shop-rx7-fd-performance-intake-system-pre-order

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[Grant Monkhouse]

Iv also got the number of a lad that deals in breaking fds too so I could pass on his number and he may be able to help

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[Mr Spiller]

Iv very rarely come across any second hand but they are around.

If you have the rail with 4 injectors then you can block off the Injector ports in the centre iron Or run 6 x 1000cc Injectors OR some 2200 CCs if your looking for some huge power out of that turbi

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Grant I’m not looking for stupid power
If I had 350 and it was really drivable I’d be happy
Looks like the excessive is way more pocket friendly than the elite
I’m sure the more expensive is always better


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[Grant Monkhouse]

I'd go for the excessive too as with the elite you would have to buy the whole Intake instead of just the LIM

You are going to make more than 350 with that turbo for sure, just on how much air it flows, plus the bridge ports, your going to most likely pushing 450-500 at 1 bar at a guess

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[Mr Spiller]

I'd go for the excessive too as with the elite you would have to buy the whole Intake instead of just the LIM

You are going to make more than 350 with that turbo for sure, just on how much air it flows, plus the bridge ports, your going to most likely pushing 450-500 at 1 bar at a guess

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Best start soaking my balls in manure to make them grow for that BHP
I’ll just ha e to check how much lower it is than standard .
But , realistically , it’s needed due to the increased air speed so I’ll need to order u less there’s a cheaper / better one on the market .
I’m all good for saving money but if it’s needed I’ll just have to bite the bullet  and order it
Cheers


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