i_froloshki
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| posted on 8/11/10 at 12:56 PM |
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So overall this plenum is not good? I am thinking to make one because the ones i see on the net are cheap or not that cheap as this one, but crap,
ooor those aluminum round beautiful shiny 400-500 GBP ones, that are obvuously not my type of beer. and 175gbp is not cheap at all i think for 2
flanges and 5 tubes badly welded together. Please correct me if i am wrong.
Thanks
Yavor
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big_wasa
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| posted on 8/11/10 at 02:51 PM |
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If you can weld beter than this guy and put it together with a bit more care you should be able to make one for around £50 inclueding a lazer cut
flange.
That doesnt allow for welding/ time and finish, just the steel.
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turnipfarmer
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| posted on 8/11/10 at 03:11 PM |
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I'm certainly looking for a plenum. There's a market out there. C'mon you engineering types!
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MikeR
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| posted on 8/11/10 at 04:53 PM |
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i've been threatening this for a while, figured out everything including the injector bungs. Suppose i need to pull my finger out. Just need the
cad diagrams for the zetec (and for personal use, crossflow, pinto is also an option) inlet manifold.
With the jig i've got in mind i can alter the height of the large tube per inlet so that it clears the chassis rails.
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turnipfarmer
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| posted on 8/11/10 at 05:10 PM |
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Good on yer MikeR - go for it!
Hey, MattyC, how about giving it to you apprentices as a project?
Should I do it myself, I wonder? After all, I did teach Frank Spencer everything he knew about precision engineering & welding. Maybe not, then!
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turnipfarmer
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| posted on 8/11/10 at 05:13 PM |
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Anybody seen this, btw
http://topspeedperformance.net/
Any use?
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mattyc
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| posted on 8/11/10 at 05:29 PM |
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" MattyC, how about giving it to you apprentices as a project?" if someone comes up with the drawings i will!! a nice shiney 316L
stainless one!!!
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JeffJeffers
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| posted on 8/11/10 at 10:12 PM |
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OK Here is some more pictures
 
injectorseats
 
manifold
 
manifold
And here are some measurements.
 
diagram
The small tubes outer circumference is 165mm and the large tube outer circumference is 240mm. Is there any other pictures or measurements that would
help?
I spoke to Spencer Ashley today and he said he would give me my money back but that oes leave me without a manifold!
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turnipfarmer
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| posted on 8/11/10 at 11:28 PM |
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This any help? Don't know how good a unit it is power-wise
http://www.griffinpower.co.uk/html/drawings.htm
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i_froloshki
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| posted on 9/11/10 at 06:47 AM |
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quote:
Originally posted by big_wasa
If you can weld beter than this guy and put it together with a bit more care you should be able to make one for around £50 inclueding a lazer cut
flange.
That doesnt allow for welding/ time and finish, just the steel.
Well, as a look at these pictures i am defenately better welder and an engeneer )) This is why the pictures in teir website are so small. GUys,
expect my chamber soon I am thinking for something that can be disasebmbled, the big tube might not be a tube, there are some nice ones on the
internet so i will do what our chineese friends do - i will copy and paste - we have to keep it locost after all
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turnipfarmer
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| posted on 9/11/10 at 12:23 PM |
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Brilliant!
I liked the look of this one
http://topspeedperformance.net/
Probably useless, but looks nice! Needs to fit under the bonnet of a 7 without great holes having to be cut out.
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FASTdan
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| posted on 9/11/10 at 01:27 PM |
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My thoughts so far....
Cast plenum top, trumpets, shown on duratec flange but you get the idea.
Any comments? Aside from not having any injectors shown yet.
Will need some refinement yet mind.....
NEW danST WEBSITE NOW LIVE! Bike carbs, throttle bodies and more......
http://www.danstengineering.co.uk/
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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FASTdan
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| posted on 9/11/10 at 01:30 PM |
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Oh yeah and there's no tb mount yet lol
NEW danST WEBSITE NOW LIVE! Bike carbs, throttle bodies and more......
http://www.danstengineering.co.uk/
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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i_froloshki
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| posted on 9/11/10 at 02:40 PM |
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oooo maaan this looks awsome... i love it. I saw in some places that there are some like the jenvey one that can be disassembled. What good can this
do - better servising, revising..?
One more time - i love this one that you have drown.
[Edited on 9/11/10 by i_froloshki]
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interestedparty
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| posted on 9/11/10 at 03:14 PM |
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I know practically nothing about plenum design, but I do know it's a lot more difficult that it looks, and it's easy to end up with
something that looks good but has really poor performance. Also they have to resist considerable vacuum, when the throttle closes, which is why a lot
of them are round.
As some day it may happen that a victim must be found,
I've got a little list-- I've got a little list
Of society offenders who might well be underground,
And who never would be missed-- who never would be missed!
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FASTdan
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| posted on 9/11/10 at 03:39 PM |
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Yes its nothing to get excited about just yet, I plan to run some cfd on it next as its just a guess at the mo.
NEW danST WEBSITE NOW LIVE! Bike carbs, throttle bodies and more......
http://www.danstengineering.co.uk/
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NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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turnipfarmer
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| posted on 9/11/10 at 04:43 PM |
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Type 'inlet plenum design' into google & you get more info & pics than you can shake a stick at.
Here's just one result
http://www.google.co.uk/images?hl=en&biw=796&bih=458&q=inlet+plenum+design&um=1&ie=UTF-8&source=univ&ei=73fZTNKNONCNjAfNi4
yQCg&sa=X&oi=image_result_group&ct=title&resnum=2&ved=0CCgQsAQwAQ
Haven't Westfield got a design also?
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JeffJeffers
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| posted on 9/11/10 at 04:59 PM |
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That looks really nice but like others say looks aren't everything. Would that be expensive to make?
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JeffJeffers
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| posted on 9/11/10 at 05:02 PM |
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quote:
Originally posted by turnipfarmer
Haven't Westfield got a design also?
I spoke to Westfield when I was looking for a manifold originally and they said they haven't made one for years.
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turnipfarmer
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| posted on 9/11/10 at 05:28 PM |
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re "That looks really nice but like others say looks aren't everything. Would that be expensive to make?"
Not sure which one you were looking at - there are about 300 on that page!
You're right though - looks sure aint everything, and as for cost... no idea!
I only included that link because I thought you might see a design that looked halfway suitable, & you could then click the link to the mfrs
website to see of there was any technical info.
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turnipfarmer
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| posted on 9/11/10 at 05:42 PM |
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This any help?
http://horsepowercalculators.net/intake-manifold-design/intake-manifold-design
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big_wasa
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| posted on 10/11/10 at 07:57 PM |
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Looks interesting
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