Alex show us your Plenum
Alex show us your Plenum
Author
Discussion

SILICONEKID340HP

Original Poster:

14,997 posts

261 months

Friday 20th January 2012
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Come on show us your plenum project !

Alexdaredevilz

5,697 posts

209 months

Friday 20th January 2012
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I will when I get back home, you can post the picture if you like

SILICONEKID340HP

Original Poster:

14,997 posts

261 months

Friday 20th January 2012
quotequote all
I want to make one .



Been looking at this one on the V8Forum


neal1980

2,584 posts

269 months

Friday 20th January 2012
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locktite and tape this should be good hehe

whats the size of the throttle on these then Alex?

Alexdaredevilz

5,697 posts

209 months

Friday 20th January 2012
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There 52mm

But the biggest diffence will be the air will flow in the top first

I think.....

haircutmike

22,509 posts

234 months

Friday 20th January 2012
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neal1980 said:
locktite and tape this should be good hehe

whats the size of the throttle on these then Alex?
I use locktite and tape all the time, now't wrong with that!

Keep at it Alex, not many people on here progressing from the norm, (me included!).

Chimpandtonic

9,637 posts

209 months

Friday 20th January 2012
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Love it Alex, lets see it fitted ASAP thumbup

Alexdaredevilz

5,697 posts

209 months

Saturday 21st January 2012
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Some more pictures,

The plate will be welded on later on this month

Then its a case of blanking and re-routing bits on the new throttle body

New elbow plus mega squirt then off to the dyno, if im not happy with the results
I have 2 other 'crazy' ideas that will! and this one will be up for sale








TVR Beaver

2,874 posts

210 months

Saturday 21st January 2012
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Hi Alex.. That does look interesting... What are the TB's from?....
Wonder how much you could reduce the centre fin?... or even remove it screwing through the hole in the top that you then fit a plug into? smile

dbv8

8,676 posts

250 months

Saturday 21st January 2012
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Interesting.
A couple of crossfire injectors would be a good addition wink


Alexdaredevilz

5,697 posts

209 months

Saturday 21st January 2012
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Mr beaver it's a bored out LT1 ( vette camaro etc)

I was thinking about removing the fin, don't think it would make much difference, I've smoothed it out for now

Derek - way ahead of you ;-)
http://www.nookandtranny.com/mm5/merchant.mvc?Scre...

CarlosV8

817 posts

202 months

Saturday 21st January 2012
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SILICONEKID340HP said:
Been looking at this one on the V8Forum

That's off an SD1 twin Plenum Vitesse - I had one of these and would advise you to avoid this plenum in it's standard form. The throttle mechanisms are very delicate, and because you are trying to move 2 throttle plates from one side it causes uneven wear. Since they're now all at least 25 years old, if they havent been refurb'd already they probably require one. And parts need to be specially made because they're no longer available.

However there is a company that offer a centre throttle pull mechanism which is suppose to be much improved. The benefit is that the trumput base is much larger than a normal single plenum version, along with larger trumpets so it has potential to flow much better.

TVR Beaver

2,874 posts

210 months

Sunday 22nd January 2012
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Alexdaredevilz said:
Mr beaver it's a bored out LT1 ( vette camaro etc)

I was thinking about removing the fin, don't think it would make much difference, I've smoothed it out for now

Derek - way ahead of you ;-)
http://www.nookandtranny.com/mm5/merchant.mvc?Scre...
Did wonder myself if it may help with shunting.. as it sections of the feed into two sides?.. not sure which would be best.. with or without?... I've done the same with mine.. got it down to about 10mm thick and made it more stream-lined... The TB should be good I think.. smile

Alexdaredevilz

5,697 posts

209 months

Sunday 22nd January 2012
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Reason I'm not going to take it any further is my TB splits the air any way

Wotland

27 posts

233 months

Sunday 22nd January 2012
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CarlosV8 said:
That's off an SD1 twin Plenum Vitesse - I had one of these and would advise you to avoid this plenum in it's standard form. The throttle mechanisms are very delicate, and because you are trying to move 2 throttle plates from one side it causes uneven wear. Since they're now all at least 25 years old, if they havent been refurb'd already they probably require one. And parts need to be specially made because they're no longer available.

However there is a company that offer a centre throttle pull mechanism which is suppose to be much improved. The benefit is that the trumput base is much larger than a normal single plenum version, along with larger trumpets so it has potential to flow much better.
That's why you sold your TP to me ? laugh

It has now upgraded with stainless throttle shafts and bronze bushings.



GasMunkey

5,697 posts

209 months

Thursday 25th October 2012
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nutswhistle

Bassfiend

5,530 posts

280 months

Thursday 25th October 2012
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Alexdaredevilz said:
I have 2 other 'crazy' ideas that will! and this one will be up for sale
/me registers another credit card on PayPal...

Phil

GasMunkey

5,697 posts

209 months

Thursday 25th October 2012
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Bassfiend said:
/me registers another credit card on PayPal...

Phil
This twin throttle is almost done, I saw pictures of it earlier, I'm sure he will be on soon to post then up

Bassfiend

5,530 posts

280 months

Thursday 25th October 2012
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GasMunkey said:
This twin throttle is almost done, I saw pictures of it earlier, I'm sure he will be on soon to post then up
Who will?

SILICONEKID340HP

Original Poster:

14,997 posts

261 months

Thursday 25th October 2012
quotequote all
Im starting to build my own but can`t work out how to adapt it ..does anyone want to see ?