Top mount exhaust manifold - Mazda MX-6 Forum
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post #1 of 23 (permalink) Old 1-13-13, 4:52 Thread Starter
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Top mount exhaust manifold

why havent many/any of you made them over the years? i don't weld. But take a look on homemadeturbo.com or plenty of other sites:

Doc Race Mazda Miata MX 5 T3 Top Mount Turbo Manifold 1 8L GT30R GT35R | eBay

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post #2 of 23 (permalink) Old 1-13-13, 11:27
 
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Biggest reason is there is no real room for it with such a low sitting hood. Its possible, But would be Alot more work then it is for most other cars which have alot more room.

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post #3 of 23 (permalink) Old 1-13-13, 12:57 Thread Starter
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You are high on crack. There is plenty of room. Look at sidewinders for the S2000 as well. Biggest reason is simply that nobody has done it. I wonder why. There is plenty of room. Look at all the n00bs putting Deltagates on TOP for the stock manifold. No room my ass.
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post #4 of 23 (permalink) Old 1-13-13, 15:28
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lol.... no one has done it since no one is then in depth with their builds.... im currently having a front facing mani made for my f2t probe.... each mani set up has its pros and cons just depends whos building the car, turbo selection ect..
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post #5 of 23 (permalink) Old 1-13-13, 21:47 Thread Starter
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^^^ WTF? nobody is in depth WTF?
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It would depends on the turbo being used. Most people go top mount due to lack of space. I don't think anyone is running a big enough turbo to warrant running a top mount manifold.

Cam22T went top mount on FE3 due to wanting to keep AC, PS and run his 3076R. A fwe of the guys up here also run top mounts on FE3 for the same reason.

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Quote:
Originally Posted by SABBAi View Post
It would depends on the turbo being used. Most people go top mount due to lack of space. I don't think anyone is running a big enough turbo to warrant running a top mount manifold.

Cam22T went top mount on FE3 due to wanting to keep AC, PS and run his 3076R. A fwe of the guys up here also run top mounts on FE3 for the same reason.
I made a side mounted manifold, not necessarily top mount, since it relocate the turbo behind the passenger headlight. so i just go directly in the intercooler instead of running a pipe across

1990 mx6lx 13.5@102.9 on 87shot
1989 white pgt 486whp 543wtq@29psi..dynoed 11-9-13
1991 probe gt 373whp at 24psi
1988 mx6gt 461whp @32psi
1990 mx6lx 348whp@ 18psi slipping clutch
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post #8 of 23 (permalink) Old 1-14-13, 14:46 Thread Starter
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Quote:
Originally Posted by ademan
I made a side mounted manifold, not necessarily top mount, since it relocate the turbo behind the passenger headlight. so i just go directly in the intercooler instead of running a pipe across
Interesting. Got pictures?
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post #9 of 23 (permalink) Old 1-14-13, 18:31 Thread Starter
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Bisi is making 750+ hp with a SOHC 1.6L engine. You can't say that this picture is much different from the 2.2L SOHC in the engine bay. Use a smaller radiator with a slimline fan, GURU differential, a good clutch with flywheel, megasquirt, and we could have been seeing 500+ hp 1G's YEARS AGO.

How can you disagree with that?
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post #10 of 23 (permalink) Old 1-14-13, 18:57
 
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Quote:
Originally Posted by SixSick6 View Post
Interesting. Got pictures?
i do have pic, its off the car now but i can take pic if you interested

1990 mx6lx 13.5@102.9 on 87shot
1989 white pgt 486whp 543wtq@29psi..dynoed 11-9-13
1991 probe gt 373whp at 24psi
1988 mx6gt 461whp @32psi
1990 mx6lx 348whp@ 18psi slipping clutch
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post #11 of 23 (permalink) Old 1-15-13, 0:54 Thread Starter
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Quote:
Originally Posted by SixSick6 View Post
Also picture this from left to right

passenger side wheel - [x-rad/fan O-turbo Z-I/C] -drivers wheel

The intercooler could go from turbo to I/C with an intercooler designed like stock, out the bottom and directly to the throttle body using the above picture.
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post #12 of 23 (permalink) Old 1-22-13, 5:28
 
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A Honda head (even SOHC) will easily outflow the F2's head. Honda land is unfair.

Quote:
Originally Posted by SixSick6 View Post
You are high on crack. There is plenty of room. Look at sidewinders for the S2000 as well. Biggest reason is simply that nobody has done it. I wonder why. There is plenty of room. Look at all the n00bs putting Deltagates on TOP for the stock manifold. No room my ass.
I'm no n00b

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post #13 of 23 (permalink) Old 1-22-13, 10:04
 
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Originally Posted by AMD IS THE BEST View Post
A Honda head (even SOHC) will easily outflow the F2's head. Honda land is unfair.



I'm no n00b
sohc honda head will not outflow f2 head without work, thats a fact. Ive own couple of hondas bseries turbo and na. however the solid lifter does have an advantage over the hydra lifter when making power above 5k rpm

1990 mx6lx 13.5@102.9 on 87shot
1989 white pgt 486whp 543wtq@29psi..dynoed 11-9-13
1991 probe gt 373whp at 24psi
1988 mx6gt 461whp @32psi
1990 mx6lx 348whp@ 18psi slipping clutch
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post #14 of 23 (permalink) Old 1-24-13, 1:57
 
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Quote:
Originally Posted by ademan View Post
sohc honda head will not outflow f2 head without work, thats a fact. Ive own couple of hondas bseries turbo and na. however the solid lifter does have an advantage over the hydra lifter when making power above 5k rpm
Actually the 4 valve per cylinder Honda SOHC heads should outflow our 3 valve per cylinder head on the exhaust side.
But they probably have an even milder exhaust cam profile than ours to keep the gas velocity up.

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post #15 of 23 (permalink) Old 2-1-13, 21:27
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Quote:
Originally Posted by SixSick6 View Post
why havent many/any of you made them over the years? i don't weld.
Why haven't you built one?
Gavin doesn't weld but he's managed to build some pretty trick custom one off shiz.

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