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^^ when the exhaust pulse from the cylinder hits the collector, a negative wave will be transmitted back and help with extraction (on a n/a car, this will make great difference) on a turbo car, it will merely help a little with spool, so it is not very important, the shaping of the collector does matter a lot more. As soon as you start to build boost (and backpressure) the negative wave becomes irrelevant. Anyway, the trick is to get the wave to hit the exhaust valve at the right moment, just before closing. I was just wondering really, being interrested in this shit :)
oh yeah, equal lenght is about the same, matters when there is a lot of pulsing (before spool), matters a lot less when backpressure hits. |
How did you measure to try and get an equal length? Can't wait for the updates.
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Originally Posted by candela
(Post 219428)
How did you measure to try and get an equal length? Can't wait for the updates.
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horray for vids!!!
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Originally Posted by musanovic
(Post 219485)
actually it will not be a equal length manifold it is hopefully just going to be a better flowing one. that is my main desired outcome.
looks like you succeeded there. |
Originally Posted by Braineack
(Post 219701)
looks like you succeeded there.
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fo sho, the thing looks awesome too man, i can wait to see the ceramic coat on it, i think i'll want to hump it
fuck, i know i'll want to hump it, hell i want to hump you right now i think ill have a little bit of free time this weekend, i may pop my header off and take some measures to get an idea for my build...im sure you'll be there |
Originally Posted by whaaamx5
(Post 219709)
fo sho, the thing looks awesome too man, i can wait to see the ceramic coat on it, i think i'll want to hump it
fuck, i know i'll want to hump it, hell i want to hump you right now i think ill have a little bit of free time this weekend, i may pop my header off and take some measures to get an idea for my build...im sure you'll be there |
cant wait to see completed pics!
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you should have it by today, i want to see the damn welds...hurry punk
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this is how far I got till now it is starting to look like a real manifold now. i'll keep updating as i go. hopefully it is looking good. still got to finish up the welding on the collector but it will sit in this position.
P.S and yes the turbo is going to be clocked down. hood won't close if i leave it. http://img246.imageshack.us/img246/4...0151nf2.th.jpg http://img246.imageshack.us/img246/5...0149gu4.th.jpg http://img246.imageshack.us/img246/9...0148hy8.th.jpg http://img246.imageshack.us/img246/8...0147fr8.th.jpg http://img246.imageshack.us/img246/7...0145up7.th.jpg http://img246.imageshack.us/img246/5...0141zb8.th.jpg http://img246.imageshack.us/img246/9...0128un2.th.jpg enjoy |
collector looks like a HUGE turd
/thread |
For best flow you would need to rework that collector, you flow well through the runners, just to.... hit the wall. You will get a lot of turbulence. Hard to say if it will be an improvement over the log type. Only way to know is to test :)
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the welds look real good, i like
overall good work now cut some relieves in that flange and have it trued, ceramic coat it, and boost away i think you'll be able to fit the WG right at the collector and have room for the dump tube...that should be good |
post pics of finished mani...its looking good
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Great work!
Hmmm, looks like the turbo is sitting kinda high. Is that the final position? If so, will you be able to close the hood without modification? |
Originally Posted by FHS
(Post 228529)
Great work!
Hmmm, looks like the turbo is sitting kinda high. Is that the final position? If so, will you be able to close the hood without modification? WOW. what a difference between the log style and this thing. i mean the response is stupid good. i will post some pictures tomorrow but man it was worth the time. no more boost issues i set it at 11 and it stays at 11. i believe the collector helps a lot. i could not get out of the damn car drove around for 3 hrs but gas prices are pretty high so i had to cool off a bit. :jerkit::jerkit: if you know what i mean. pics are on the way. :) |
you need a better camera friend, these pictures do not do the mani justice, im telling you, it looked way better in person...
were you able to modify the oil drain like you wanted? good job on the DP, did you weld the bracket on or no room? awesome DIY job all the way man, congrats |
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