Should I get the full Protomotive intake system?
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Right, I remember the pics from years ago...the guy I purchased my car from spent over 2K on that intake if it makes you feel any better, 
(he was also making 100K a month at the time.....car ended up scaring him, so he sold it to me
)
W/ 3076's headers etc on a motor making 680 a the wheels isn't it fairly certain that a stock plenum, Y pipe and the intake I have are the restriction point?
It guesswork but a pretty obvious guess, I would say.
(he was also making 100K a month at the time.....car ended up scaring him, so he sold it to me)W/ 3076's headers etc on a motor making 680 a the wheels isn't it fairly certain that a stock plenum, Y pipe and the intake I have are the restriction point?
It guesswork but a pretty obvious guess, I would say.
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Any turbocharger should benefit from intake restriction removed...i measured my car on a dyno with stock intake and with a slight modification to airbox and there is a difference of 10AWHP at high rpm...I believe there should be a remarkable difference in k24/18g turbos with proto style intake especially at spool up and top end power at 1,4bar...I am really considering this mod although much work is needed...
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Thanks John (again!) you are always a mine of info and particularly the photos.
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hey john in the quote below i was refering to dr jitsus concern of his piping rubbing through(that is metered air after the maf) not he fenderwell style... and i totally agree the fenderwell piping could go unnoticed unless u have HRE P40s like me... the mesh on the wheels allow for quick viewing of the whole pipe
... i also own a bore-o-scope which allows me to view inside the fender without removing the bumper to check on the filter element also works great checking for detonation when changing the plugs
... i also own a bore-o-scope which allows me to view inside the fender without removing the bumper to check on the filter element also works great checking for detonation when changing the plugsTim,
I'm pretty sure the part that would tend to rub is the fresh air intake pipe with the filter on the end, which would not affect the metered air, but would introduce debris to the turbos, if it were to develop a hole. Chances are you would develop a flat before wearing through the metal pipe, however, if the wheel wore through the metal pipe, you would probably not know until your turbos had damage and the car was not running properly due to turbo damage.
There is also a risk of the pipe being hit from road debris like a stick or other object that is kicked up "just the right way" to catch the pipe and subsequently dislodge it from the turbo itself. With the close tolerance, it would not take much to get in between the tire and pipe to exert some severe force. If this were to happen, your turbos would be sucking rocks and dust into the motor until you were aware of it, which could be minutes, days or weeks, even. Also, if the filter ever came off for any reason, you would not know it, as it can not be seen without bumper removal. Again, you could end up driving around with unfiltered air for months without knowing it. IMO, these are a few things to consider with this style of intake and played a part in my going back to the OEM configuration. When I ran this style of intake, I did routine checks of the fresh air pipe and the turbo connection on a weekly basis.
I'm pretty sure the part that would tend to rub is the fresh air intake pipe with the filter on the end, which would not affect the metered air, but would introduce debris to the turbos, if it were to develop a hole. Chances are you would develop a flat before wearing through the metal pipe, however, if the wheel wore through the metal pipe, you would probably not know until your turbos had damage and the car was not running properly due to turbo damage.
There is also a risk of the pipe being hit from road debris like a stick or other object that is kicked up "just the right way" to catch the pipe and subsequently dislodge it from the turbo itself. With the close tolerance, it would not take much to get in between the tire and pipe to exert some severe force. If this were to happen, your turbos would be sucking rocks and dust into the motor until you were aware of it, which could be minutes, days or weeks, even. Also, if the filter ever came off for any reason, you would not know it, as it can not be seen without bumper removal. Again, you could end up driving around with unfiltered air for months without knowing it. IMO, these are a few things to consider with this style of intake and played a part in my going back to the OEM configuration. When I ran this style of intake, I did routine checks of the fresh air pipe and the turbo connection on a weekly basis.
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Tim,
I knew you knew the difference - that explains it!
Whenever you make changes like this you run the risk of the unknown. Even the EVOMs style larger pipes could rub through if not installed properly. The actual EVOMS pipes are about 1/4" thick and very tough ABS plastic, so they are well engineered to resist wear. Some of the others I have seen look much less durable. As a poiont of reference, my motor has been out twice since the EVO pipes were installed and there is no sign of wear on them.
That scope sounds like a great device to own.
I knew you knew the difference - that explains it!
Whenever you make changes like this you run the risk of the unknown. Even the EVOMs style larger pipes could rub through if not installed properly. The actual EVOMS pipes are about 1/4" thick and very tough ABS plastic, so they are well engineered to resist wear. Some of the others I have seen look much less durable. As a poiont of reference, my motor has been out twice since the EVO pipes were installed and there is no sign of wear on them.
That scope sounds like a great device to own.
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Go for it! The large 3076 turbos will certainly benefit from the Proto intake and blow through MAF. Let those suckers breathe! Realize that John's experience was with much smaller 24/18G turbos so the reduced restriction may not have made a significant difference in overall efficiency (there may have been other factors as well).
Last edited by roadsterdoc; Sep 30, 2009 at 01:14 AM.
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Hi Chris, howyadoin....
John, you first had the proto/ford MAF wed to the Evo V flow (which was the impetus for my current set up). Then you had the full proto, then the full EVOMS, correct?
The full Proto flowed better than the first (hybrid) set up, yes?
Just wanted to clarify, Thanks.
BTW, if anyone is interested, it looks like I am selling my V flow and S Car Go lower intake. This set up is much better than stock and ideal for up to 24/18's or GT28's.
John, you first had the proto/ford MAF wed to the Evo V flow (which was the impetus for my current set up). Then you had the full proto, then the full EVOMS, correct?
The full Proto flowed better than the first (hybrid) set up, yes?
Just wanted to clarify, Thanks.
BTW, if anyone is interested, it looks like I am selling my V flow and S Car Go lower intake. This set up is much better than stock and ideal for up to 24/18's or GT28's.
Last edited by Dr_jitsu; Sep 30, 2009 at 06:04 AM.
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First, I had the V-flow with ford MAF, proto tune, EVO pipes, stock hoses, stock Y-pipe, 75mm TB/plenum, Greddy and ran 1.2 bar. Then I had all the above except installed the full Proto intake after the IC's and still ran 1.2 bar. I could not tell any difference between the two intakes with the 24/18G's. Now I have a dual snorkel stock air box with EVO pipes, custom hoses from IC's to Y-pipe, custom 75mm Y-pipe, 75mm TB/plenum, factory boost solenoid set to 1.3 bar. My car is faster and more responsive than ever now. The part throttle power is more immediate and stronger than ever and the WOT is stronger too, but I also have a custom dyno tune with a higher boost limit programmed in...and the most recent EPL tweaks, which Tony developed over the past year from experience working on these cars.
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991.2 GT3 RS Weissach Racing Yellow
991.2 Turbo S GT Silver
991.2 GT3 Chalk (Manual)
2022 Cayenne White
former 1972 911T white, 1984 911 3.2 Targa black, 993 cab white, 993TT arena red, 993TT silver, 996TT speed yellow, 991.1 GT3 white
www.speedtechexhausts.com
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991.2 GT3 RS Weissach Racing Yellow
991.2 Turbo S GT Silver
991.2 GT3 Chalk (Manual)
2022 Cayenne White
former 1972 911T white, 1984 911 3.2 Targa black, 993 cab white, 993TT arena red, 993TT silver, 996TT speed yellow, 991.1 GT3 white
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Last edited by John@SpeedTech; Sep 30, 2009 at 09:44 AM.
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Hi Chris, howyadoin....
John, you first had the proto/ford MAF wed to the Evo V flow (which was the impetus for my current set up). Then you had the full proto, then the full EVOMS, correct?
The full Proto flowed better than the first (hybrid) set up, yes?
Just wanted to clarify, Thanks.
BTW, if anyone is interested, it looks like I am selling my V flow and S Car Go lower intake. This set up is much better than stock and ideal for up to 24/18's or GT28's.
John, you first had the proto/ford MAF wed to the Evo V flow (which was the impetus for my current set up). Then you had the full proto, then the full EVOMS, correct?
The full Proto flowed better than the first (hybrid) set up, yes?
Just wanted to clarify, Thanks.
BTW, if anyone is interested, it looks like I am selling my V flow and S Car Go lower intake. This set up is much better than stock and ideal for up to 24/18's or GT28's.
why don't you dyno your car before and after. will be very telling. I guess if you have good 60-130 or 1/4 trap speeds that would suffice. will be interesting to see what difference there is.
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http://www.evoms.com/marketplace/ViewProduct.asp?Now=9%2F30%2F2009+7%3A55%3A36+PM&P roductID={66F94976-4ABC-42D6-A046-689D2D7C23C7}&OrgID={CA5E16BC-D877-4137-8237-7EB9084DD3D8}&ParentID={DEC256A6-BCE2-4B57-961B-B6BAA8FD5E55}&Curr={DEC256A6-BCE2-4B57-961B-B6BAA8FD5E55}
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Doc, when you say S-Car-Go "lower intake", is this the equivalent part to the EVOMS hard plastic "turbo inlet ducts"?
http://www.evoms.com/marketplace/ViewProduct.asp?Now=9%2F30%2F2009+7%3A55%3A36+PM&P roductID={66F94976-4ABC-42D6-A046-689D2D7C23C7}&OrgID={CA5E16BC-D877-4137-8237-7EB9084DD3D8}&ParentID={DEC256A6-BCE2-4B57-961B-B6BAA8FD5E55}&Curr={DEC256A6-BCE2-4B57-961B-B6BAA8FD5E55}
http://www.evoms.com/marketplace/ViewProduct.asp?Now=9%2F30%2F2009+7%3A55%3A36+PM&P roductID={66F94976-4ABC-42D6-A046-689D2D7C23C7}&OrgID={CA5E16BC-D877-4137-8237-7EB9084DD3D8}&ParentID={DEC256A6-BCE2-4B57-961B-B6BAA8FD5E55}&Curr={DEC256A6-BCE2-4B57-961B-B6BAA8FD5E55}
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