Proto Parts, Turbo/Intake Manifold
06-13-2007, 07:31 AM
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Re: Proto Parts, Turbo/Intake Manifold (97gsrcoupe)
No, not yet. Its some prototype piece we've been working on for a few months. Still making a few changes but we should be ready to dyno/test w/in the next month.
06-13-2007, 08:10 AM
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Re: Proto Parts, Turbo/Intake Manifold (PSI2HI)
Something I really like about you guys is, you’re always stepping outside of the box to make something different. Stuff looks nice, Good Luck w/ the numbers, should be pretty decent.
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06-13-2007, 02:12 PM
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Re: Proto Parts, Turbo/Intake Manifold (JDMs1eeper)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDMs1eeper »</TD></TR><TR><TD CLASS="quote">Something I really like about you guys is, you’re always stepping outside of the box to make something different. Stuff looks nice, Good Luck w/ the numbers, should be pretty decent.
</TD></TR></TABLE>
I agree the stuff looks great and I definitely don't intend this to be negative, but i'm not really sure how this is 'outside the box'. These designs are pretty standard for custom units around the racing scene.
</TD></TR></TABLE>I agree the stuff looks great and I definitely don't intend this to be negative, but i'm not really sure how this is 'outside the box'. These designs are pretty standard for custom units around the racing scene.
06-15-2007, 09:45 AM
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Re: Proto Parts, Turbo/Intake Manifold (PSI2HI)
Full radius on the intake stacks, now that's how it's supposed to be done. ****** A
Very very nice work on the intake mani, it doesn't look super slick but it looks very well designed.
It's a shame you had to make that 1 little 1" insert between your ells on the exhaust mani, or I would have said that was great too. It's still very good, but that one little thing catches my eye as not pretty.
GOOD JOB
Very very nice work on the intake mani, it doesn't look super slick but it looks very well designed.
It's a shame you had to make that 1 little 1" insert between your ells on the exhaust mani, or I would have said that was great too. It's still very good, but that one little thing catches my eye as not pretty.
GOOD JOB
06-27-2007, 09:09 PM
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very similar to what i did with my intake manifold...man did we put some time in on the cnc machine...
just did a miata one nearly identical to that too....awesome work.
my civic one (f22 engine) seems to be making amazing power....i doubt you'll be dissapointed!
just did a miata one nearly identical to that too....awesome work.
my civic one (f22 engine) seems to be making amazing power....i doubt you'll be dissapointed!
06-28-2007, 05:11 AM
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Re: (tepid1)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by tepid1 »</TD></TR><TR><TD CLASS="quote">Those intake manifold runners really should be tapered to increase velocity. 
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will that really matter under boost? I understand the purpose and function of a velocity stack and all, but with a full radius in the manifold plenum to reduce turbulence, and I'm sure a ridiculous amount of boost pressure, i don't think the taper would matter much at all. It's under pressure already so there is turbulence everywhere anyhow. Every little bit counts though I guess.
I just don't think it's a legit critique on the nice work, and tapering the runners (if you can't find them off the shelf somewhere) would have probably required a significant increase in machine time and money. Even still, an explanation to your opinion is welcome if you want to give it.
</TD></TR></TABLE>will that really matter under boost? I understand the purpose and function of a velocity stack and all, but with a full radius in the manifold plenum to reduce turbulence, and I'm sure a ridiculous amount of boost pressure, i don't think the taper would matter much at all. It's under pressure already so there is turbulence everywhere anyhow. Every little bit counts though I guess.
I just don't think it's a legit critique on the nice work, and tapering the runners (if you can't find them off the shelf somewhere) would have probably required a significant increase in machine time and money. Even still, an explanation to your opinion is welcome if you want to give it.
06-28-2007, 09:47 PM
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Re: (snoochtodanooch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by snoochtodanooch »</TD></TR><TR><TD CLASS="quote">
will that really matter under boost? I understand the purpose and function of a velocity stack and all, but with a full radius in the manifold plenum to reduce turbulence, and I'm sure a ridiculous amount of boost pressure, i don't think the taper would matter much at all. It's under pressure already so there is turbulence everywhere anyhow. Every little bit counts though I guess.
I just don't think it's a legit critique on the nice work, and tapering the runners (if you can't find them off the shelf somewhere) would have probably required a significant increase in machine time and money. Even still, an explanation to your opinion is welcome if you want to give it. </TD></TR></TABLE>
Making tapered runners is not a problem for a fabricator. A tapered runner will always be more efficient, due to greater velocity even under boost.
A good reason for having them, is that this is a street car. It'll spend 95% of it's life not in boost.
Now, aside from all that, I think this is still some nice fab work. I'm sure it'll work fine.
will that really matter under boost? I understand the purpose and function of a velocity stack and all, but with a full radius in the manifold plenum to reduce turbulence, and I'm sure a ridiculous amount of boost pressure, i don't think the taper would matter much at all. It's under pressure already so there is turbulence everywhere anyhow. Every little bit counts though I guess.
I just don't think it's a legit critique on the nice work, and tapering the runners (if you can't find them off the shelf somewhere) would have probably required a significant increase in machine time and money. Even still, an explanation to your opinion is welcome if you want to give it. </TD></TR></TABLE>
Making tapered runners is not a problem for a fabricator. A tapered runner will always be more efficient, due to greater velocity even under boost.
A good reason for having them, is that this is a street car. It'll spend 95% of it's life not in boost.
Now, aside from all that, I think this is still some nice fab work. I'm sure it'll work fine.
06-29-2007, 02:47 AM
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i built a manifold with tapered runners and it really isn't that difficult. for this intake manifold pictured above, if the runners were formed from round pipe it would be just as easy, but if they were cut from solid billet it would be foolish to not add a taper to them to begin with since you already have to do the cutting. i cut mine from solid billet with a .5 degree taper. regardless, the manifold runners look good and i think the idea to go with oval velocity stacks is a good one as i have plans to do this for my next manifold, but i think the plenum could have been designed to flow a bit better from the tb port into the plenum.
06-29-2007, 05:36 PM
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Re: (.RTErnie)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by .RTErnie »</TD></TR><TR><TD CLASS="quote">Len is your car EVER going to be finished or running? 
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How 'bout you pay my salary so I can spend all day in the machine shop working on my car parts?
</TD></TR></TABLE>How 'bout you pay my salary so I can spend all day in the machine shop working on my car parts?
06-29-2007, 06:09 PM
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Re: (weiRtech)
If you have access to solid works or some cad app, as well as a cnc machine... you sure as hell should have access to something as simple as a bandsaw As its only ~8 cuts, a quick slice down each runner, then another to cut the sliver out to make them taper, then 8 straight welds. If this was in developement for several months, 1-2 days of extra work shouldn't be an issue. BTW: http://www.velocity-of-sound.c...s.htm for the cheapness!
As for the 'who cares, it will make shittons of power anyways' attitude, you may have well just put on a gold-plated log mani. When you put this much effort into a performance part, then skimp on something relatively simple, then it tends to seem like it was done more for show than for go. Regardless, I'd still 'sell out' and run it, its still WAY better than any manifold I own
As its only ~8 cuts, a quick slice down each runner, then another to cut the sliver out to make them taper, then 8 straight welds. If this was in developement for several months, 1-2 days of extra work shouldn't be an issue. BTW: http://www.velocity-of-sound.c...s.htm for the cheapness!As for the 'who cares, it will make shittons of power anyways' attitude, you may have well just put on a gold-plated log mani. When you put this much effort into a performance part, then skimp on something relatively simple, then it tends to seem like it was done more for show than for go. Regardless, I'd still 'sell out' and run it, its still WAY better than any manifold I own