aftermarket TB

[A.V.MSP]

does anyone make an aftermarket throttle body for the protege besides AUTO EXE for $600 and the corksport one? corksports is only 60-61 mm I think but I want a 65-70. BBK has a 65mm one for the 2.0 focus will that work since ford makes mazda? any help would be appreciated

[SpicyMchaggis]

you do realize how much bigger that is right? at 72MM my car was lost down low..up top it was nice..once you get there..the best way to go is 55M-60MM TOPS.

[Shane5425]

o.. and ford does not make mazda, ford just owns 33% of them, ford uses a cast of the mazda block and added there stuff in..

[A.V.MSP]

ohhhh... well thats nice to know cuz im not a ford fan. So the corksport should be good enough at 60-61? cuz im gonna order it tonight and need some feedback. has anyone got the corksport? they sayits adjustable but how is that?

[Shane5425]

i havent heard any bad about them, but every one i talk to says our stock tb is good for a n/a application, the larger ones work better with force induction imo, but i am sure if u put the bigger one it would work fine and ur exhaust will come alive some more.

[Gen1GT]

60mm is PLENTY big.....

[Brian MP5T]

A TB makes less of a difference on a turbo car than you might think...The air is being pushed into the engine, it matters not how bit the hole is!!! Pressure will overcome all!!! Pressure is the Shit, N/A is EVIL!!!

[Shane5425]

hey now, not every one can afford pressure... lol hell lets see if this works for now
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=2478519511&category=33741&sspagename=WDVW

[Gen1GT]

A TB makes less of a difference on a turbo car than you might think...The air is being pushed into the engine, it matters not how bit the hole is!!! Pressure will overcome all!!! Pressure is the Shit, N/A is EVIL!!!
You're right man. It's like the 'darkside' and 'lightside'. The Darkside is the easy way, which corrupts...the Lightside is the path of enlightenment..it's harder yet more fulfilling....

[Brian MP5T]

hey now, not every one can afford pressure... lol hell lets see if this works for now
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=2478519511&category=33741&sspagename=WDVW
Shit Hot Man!!! In a N/A application it makes a big difference. Just in the context of this thread, $600.00 is a waste of money on a Turbo car for a slightly larger TB... A FMIC, Downpipe, Exause, CAI are all better uses for that kind of money!!


(hippy)

[Shane5425]

my bad, i had them mixed up then.

[Shane5425]

but someone did tell me not to waste my money on the larger tb for the 1.6l unless u are turbocharged..

[SpicyMchaggis]

In in a N/A application it makes mininal difference..on a turbo application, it makes more significant impact..I'm running a 56MM right now..I was running a 62MM before. Gains are mininimal without a re-tuned MAF...you have to have a piggyback to make it work right..

[03ProES]

A TB makes less of a difference on a turbo car than you might think...The air is being pushed into the engine, it matters not how bit the hole is!!! Pressure will overcome all!!! Pressure is the Shit, N/A is EVIL!!!I hope you're kidding with this quote. It has nothing to do with how many psi you're pushing, it has to do with how much air you can flow in and out of the motor and how fast you can do it. By opening up your intake and exhaust on a F/I car, you might actually lose a bit of boost, but you're going to gain power. Now if you open them up, then increase boost back to what it was, you'll probably gain a little more. Remember, when that air is being compressed, trying to fit through that stock TB, it is also being heated, which means its expanding and becoming less dense. It's all about volume!

[Brian MP5T]

I hope you're kidding with this quote. It has nothing to do with how many psi you're pushing, it has to do with how much air you can flow in and out of the motor and how fast you can do it. By opening up your intake and exhaust on a F/I car, you might actually lose a bit of boost, but you're going to gain power. Now if you open them up, then increase boost back to what it was, you'll probably gain a little more. Remember, when that air is being compressed, trying to fit through that stock TB, it is also being heated, which means its expanding and becoming less dense. It's all about volume!
We are on the same track, just diferent places on it. You are talking about factors that can only really be represented on paper. I'm saying that the turbo will overcome the difference. Your throttle response will be improved, yes. Your turbo will work (a little) less, yes. But you will loose so much driveability for normal driving conditions that it is hard to believe that anyone would opt for it. Yes Volume...fine....

CFM is Volume Of Air that is calculated by flow over time... No Trouble there.

I just think that the $600.00 dollars is a waste for whatever minimal gains one would make when compared to that $600.00 making massive diference on a FMIC or a EIC-2.

Throttle Bodie...Woo Hoo!! Not really a big player on a grocery getter. Perhaps an Indy car.

[03ProES]

I'm not sure on the losing drivability part, I didn't notice any negative effects on my old Paxton S/C'd Ford Ranger when I added the larger TB.

[SpicyMchaggis]

speed has nothing to do with it. its density..its all about the VE dude..my throttle body will be much more helpful once i have the intake manifold re-worked and the MPi piggy back and MAF in..even then..won't be worth it.

[Brian MP5T]

I'm not sure on the losing drivability part, I didn't notice any negative effects on my old Paxton S/C'd Ford Ranger when I added the larger TB.
Driveability as in, an uneasy bottom 8th of the throttle. IE. On stop and go traffic or city driving. The RPM will shoot up faster and many people have not liked the trade off. This phenomena is also dificult to control during those times you are in slow moving traffic and you want to keep the RPMs low just cruising along. You know when you are hovering around near closed throttle. Changing the TB means that you loos some of this fine lower control...Either on or off gas. I hope you understand...I'm not trying to cut up your ideas on the larger TB, it's just perhaps better suited for a racetrack or drag strip. The negatives are just too great for street use and the payoff is negliable.

[gino]

does anyone make an aftermarket throttle body for the protege besides AUTO EXE for $600 and the corksport one? corksports is only 60-61 mm I think but I want a 65-70. BBK has a 65mm one for the 2.0 focus will that work since ford makes mazda? any help would be appreciatedThe AutoEXE is waaaay overpriced. Besides Cork, Check out EssentialSPEED http://essentialspeed.com/shop/catalog.asp?offset=4&cat=&category=&cat1=8&cat2=

I have one of their TBs and will be installing this weekend, hopefully. Cost US$254 plus core (your old TB) and shipping from Hoserland. Well done mod with excellent machining and new SS butterfly. It's 62mm bore.

Regardless of which one you buy, remember there are two different TBs for the Protege. You want the FSD7 if your car was built before 02/26/02, or the FS1G if it was built after that date. They can't be interchanged!

Look for a blue-on-silver sticker on the right side of the TB facing you when you view it from the left front fender. That sticker should have a D7 or 1G designation.

BTW, when I called CorkSport about their TB when it was first released, they had no dyno numbers and said they expected to dyno only a FI Protege, no NA. I don't believe there are any dyno numbers out there for any of these overbored TBs. We're on our own. When mine's installed, I'll run it over to MacSport and post the numbers. Crossing my fingers...

[scorch70]

The AutoEXE is waaaay overpriced. Besides Cork, Check out EssentialSPEED http://essentialspeed.com/shop/catalog.asp?offset=4&cat=&category=&cat1=8&cat2=

I have one of their TBs and will be installing this weekend, hopefully. Cost US$254 plus core (your old TB)
and shipping from Hoserland. Well done mod with excellent machining and new SS butterfly. It's 62mm bore.

Regardless of which one you buy, remember there are two different TBs for the Protege. You want the FSD7 if your carv was built before 02/26/02, or the FS1G if it was built after that date. They can't be interchanged!

Look for a blue-on-silver sticker of the right side of the TB facing you when you view it from the left front fender. That sticker should have a D7 or 1G designation.

BTW, when I called CorkSport about their TB when it was first released, they had no dyno numbers and said they expected to dyno only a FI Protege, no NA. I don't believe there are any dyno numbers out there for any of these overbored TBs. We're on our own. When mine's installed, I'll run it over to MacSport and post the numbers. Crossing my fingers...
Any chance of you getting a dyno done before and after the install? I know it is expensive, but butt dynos are hardly ever accurate.

Also, anything else needed for this install (gaskets, etc)?


Thanks,
scorch70

[03ProES]

Driveability as in, an uneasy bottom 8th of the throttle. IE. On stop and go traffic or city driving. The RPM will shoot up faster and many people have not liked the trade off. This phenomena is also dificult to control during those times you are in slow moving traffic and you want to keep the RPMs low just cruising along. You know when you are hovering around near closed throttle. Changing the TB means that you loos some of this fine lower control...Either on or off gas. I hope you understand...I'm not trying to cut up your ideas on the larger TB, it's just perhaps better suited for a racetrack or drag strip. The negatives are just too great for street use and the payoff is negliable.I understand what you're saying, and it does make logical sense. With a larger opening, its going to be harder to regulate small changes in thottle position. I simply speak from experience, maybe due to my old truck being a 4.0 V6, and really needing the extra air, that I never noticed a decrease in drivability. I ran the TB both F/I and N/A, and both times it improved the characteristics of my truck. The truck would rev faster, easier and farther. Again though, it WAS an older pushrod motor, and needed all the help it could get in that department.:)

[gino]

Any chance of you getting a dyno done before and after the install? I know it is expensive, but butt dynos are hardly ever accurate.

Also, anything else needed for this install (gaskets, etc)?
Already have numbers from last dyno pulls. All I have to do is install the TB and get a new run.

As far as gaskets, not sure. none came with the TB, but I assume there's one or two. Haven't checked my manual exploded view of assembly. As to whether they're reusable, won't know 'til I pull the TB.

[Gbourdon]

Bill Harvey bought the Corksport TB for his MSP. I dont know if he has it installed yet. I would expect him to post if it was done.

[gino]

Scorch--was looking at your dyno #s before and after header install. I have an identical setup--Injen, Magnaflow--and am seeing 105, 115 SAE corrected for 5280' altitude. Hmmmm.

As noted in my posts re: EssentialSPEED shorty header, there's been no change in dyno #s, which is strange, to say the least, but there is a difference in richness parameters about 450 revs higher than without the header--super rich.

Hope to sort that with a different ECU/EMS as budget allows. (yes)

[scorch70]

Scorch--was looking at your dyno #s before and after header install. I have an identical setup--Injen, Magnaflow--and am seeing 105, 115 SAE corrected for 5280' altitude. Hmmmm.

As noted in my posts re: EssentialSPEED shorty header, there's been no change in dyno #s, which is strange, to say the least, but there is a difference in richness parameters about 450 revs higher than without the header--super rich.

Hope to sort that with a different ECU/EMS as budget allows. (yes) Gino, here is a link to the thread with my scanned dyno sheets:

http://www.msprotege.com/forum/showthread.php?t=62142

105/115 and 108/118 are pretty close. Probably within margin of error I would bet. Hope to have new numbers here shortly when I receive and install my cat-less midpipe.

Edit: I didnt read your whole post. So you didnt gain anything on the dyno from the shorty header? Damn! I thought I was disappointed with a 8hp/3ft-lbs gain from my header. I would really be pissed. This shit costs too much money not to see numbers increased. :(


scorch70

[thewrench]

Regardless of which one you buy, remember there are two different TBs for the Protege. You want the FSD7 if your car was built before 02/26/02, or the FS1G if it was built after that date. They can't be interchanged!
This is new to me, what makes them non-interchangable? And yes I have both, and it would matter to me according to what the differences are. (My MP3 tb is stilled wrapped up in packing material and I haven't really looked at it hard.)

[gino]

This is new to me, what makes them non-interchangable? And yes I have both, and it would matter to me according to what the differences are. (My MP3 tb is stilled wrapped up in packing material and I haven't really looked at it hard.)My parts guy said there was a difference. I asked the same question, "Why aren't they interchangeable?" He claimed differences in design, thus the different designations.

Assuming you have taken a close look at both and found no visible differences in casting holes, openings, etc., why would they be designated differently for the same engine--the FS-DE--in the middle of a production run? Unless it was an upgrade of some type that caused MAzda to re-code the TB, but has no effect mechanically or otherwise.

Had the same comment from EssentialSPEED when I ordered it. "Do you have the early or late TB?" (dunno)

BTW, the gasket's reusable.

[gino]

Gino, here is a link to the thread with my scanned dyno sheets:

http://www.msprotege.com/forum/showthread.php?t=62142

So you didnt gain anything on the dyno from the shorty header? Damn! I thought I was disappointed with a 8hp/3ft-lbs gain from my header. I would really be pissed. This shit costs too much money not to see numbers increased.
Scorch, got the numbers off the other thread. Thx. Yeah, not too happy to find virtual overline of previous runs for header dyno #s, but the car's quicker by the clock. Power band comes in lower and that was needed. Still may go for a 4-2-1 and hy-perf primary cat for the P5 and put the shorty in wife's '03 ES.

Re: TB. Gasket's reusable if you don't screw it up removing old TB.

[scorch70]

Scorch, got the numbers off the other thread. Thx. Yeah, not too happy to find virtual overline of previous runs for header dyno #s, but the car's quicker by the clock. Power band comes in lower and that was needed. Still may go for a 4-2-1 and hy-perf primary cat for the P5 and put the shorty in wife's '03 ES.

Re: TB. Gasket's reusable if you don't screw it up removing old TB.
Cool about the TB. Let us know the results (how it feels and what the dyno says).


scorch70