Ported T/b's - Performance Forum

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Ported T/b's
Thursday, December 01, 2005 12:06 PM
Ok right now this is just me finding out what size's you guys are in need of. I am gonna be talking with my machinist about size's and what not. So 2.4 or 2.2 guys what sizes are you lookin for?????

2.4 sizes:
2.2 sizes:

Before spring I am hoping to have a whole line of T/B's available and with a powdercoated option . This is just one of four projects right now I am tryin to do for this community, two of the others are boost specific though. The last is ported heads, PM me if you want info and pricing.


2002 Z28: Slp coldair Pac, Corsa Catback, 3200 stall


Re: Ported T/b's
Thursday, December 01, 2005 12:29 PM
i'm looking for a 2200 engine TB bored out to 56-59mm.



Re: Ported T/b's
Thursday, December 01, 2005 1:47 PM
For the 2.4's, really any All motor J, a 57mm. RSM use to make a 57mm. I have one, it is great!!!! A 62mm loses to much bottom end for our RPM span.



FU Tuning



Re: Ported T/b's
Thursday, December 01, 2005 1:58 PM
2.2l ecotec... a 58mm runs like 300 buck in some places


Is it still speeding if the speedometer dosen't work???
Re: Ported T/b's
Thursday, December 01, 2005 2:02 PM
62mm does NOT lose bottom end power, thats a myth. Just like 2.5" exhaust is too big for a n/a application, which its not.

When I added my 62mm it made a world of difference midrange and top end and I definately didnt lose any bottom end whatsoever

Personally I think you make a 62mm TB like RSM has and just price it cheaper for the 2.4... a nice 59mm TB for the 2.2 Eco and a 57mm for the 2.2 OHV. On top of that make some boost specific TBs. God knows I want bigger TB right now





Re: Ported T/b's
Thursday, December 01, 2005 2:09 PM
BlackZ2401 wrote:62mm does NOT lose bottom end power, thats a myth. Just like 2.5" exhaust is too big for a n/a application, which its not.

When I added my 62mm it made a world of difference midrange and top end and I definately didnt lose any bottom end whatsoever

Personally I think you make a 62mm TB like RSM has and just price it cheaper for the 2.4... a nice 59mm TB for the 2.2 Eco and a 57mm for the 2.2 OHV. On top of that make some boost specific TBs. God knows I want bigger TB right now


I was not talking myth. I have seen the same car run better with a 57mm TB, than it did with a 62mm tb.



FU Tuning



Re: Ported T/b's
Thursday, December 01, 2005 2:22 PM
Well, I am lookin to make a range of sizes and no they wont be 300 bucks


2002 Z28: Slp coldair Pac, Corsa Catback, 3200 stall

Re: Ported T/b's
Thursday, December 01, 2005 2:35 PM
i'd be interested in a 59mm or 62mm for a 2.4


hugs and hand pounds, peace
Re: Ported T/b's
Thursday, December 01, 2005 2:39 PM
59mm for the 2.2 eco would be sweet



Re: Ported T/b's
Thursday, December 01, 2005 2:40 PM
the eco's are either 56 or 58 stock

i think they used 2 sizes







Re: Ported T/b's
Thursday, December 01, 2005 6:38 PM
Id buy a 57 for a 2200...phil

Re: Ported T/b's
Thursday, December 01, 2005 8:36 PM
56-59mm for a 2200 please!

How difficult would it be for you to have a just like an order sheet of what everyone wanted? Would that be difficult to maintain and keep up with or what?



Re: Ported T/b's
Thursday, December 01, 2005 9:16 PM
jbodyperformance.com

they got some tb's there, they got a whole lot up there for cavi's

http://www.cardomain.com/ride/2208703
Re: Ported T/b's
Thursday, December 01, 2005 9:58 PM
yea but he is the one thats going to be making them, and cheaper to boot lol.....I wouldnt mind have a 62mm, but with your m62 project i would like to see some 70mm maybe bigger, i think you said we would need to run 70mm t/b's, but i am not positive lol.....



2000 Camaro V6.
| SLP Loudmouth | CAI Intake | HID's |


Re: Ported T/b's
Thursday, December 01, 2005 10:03 PM
Whoa whoa , so it's not true that a 62mm throttle body will move the power band up?
Re: Ported T/b's
Thursday, December 01, 2005 10:13 PM
It will probably act like an aftermarket intake, it's crap on bottom end power but it give you high end power, probably the same thing. But there's always a limit on the size of it to be efficient...





Re: Ported T/b's
Thursday, December 01, 2005 10:22 PM
Well, at what point does bottom end cease to be? Up to 2.5k rpm?
Re: Ported T/b's
Thursday, December 01, 2005 11:25 PM
Well as I thought there are just a few different sizes lol. Heres what we can do, I can do them per order (you spec size, I get it done) or I can do a batch of a few and it would be quicker for shippin. But if you dont mind the slightly longer wait then we can deff do it as a per customer deal. Commons sizes I will prob have a few pre made.




2002 Z28: Slp coldair Pac, Corsa Catback, 3200 stall

Re: Ported T/b's
Friday, December 02, 2005 3:37 AM
fats02z28, what prices from the machinist or you are pricing for the TBs to be bored out? i have my stock tb that i might want to be bored to at least 57-59mm. currently i have the 56mm from a 2.3, which suits me fine but a bit larger isnt a bad thing. thanks fats02z28



Re: Ported T/b's
Friday, December 02, 2005 4:02 AM
think of it this way........ when your racing at the track or whatever wheres your rpms at?? Its at the top so a bigger throttle body would be better imo. low end is used to get off from a start and for fuel economy.



http://www.cardomain.com/ride/827643
Re: Ported T/b's
Friday, December 02, 2005 5:47 AM
On a per order basis would probably be easiest for you.

Maybe get a deposit, that way you're not stuck with all these Tbs laying around.

For me, keeping the cost of ANY tb under $150 is cool.
Same time, mose folks are getting their machine shops to port for only about $100.
And this include things like knife edging, or thinner tb plates.

So that's a general idea where things stand for this community.
-M



Remember....syringes go in the RED waste basket.

Re: Ported T/b's
Friday, December 02, 2005 5:48 AM
spud_51 wrote:56-59mm for a 2200 please!

x2

Also could we get a core fee

http://registry.gmenthusiast.com/images/importkilla32/Bullit.JPG
Re: Ported T/b's
Friday, December 02, 2005 9:29 AM
I'm looking at a either a 59mm or 60mm to match up to the S/C. I would like a 64mm at the opening before the plate.




>>>For Sale? Clicky!<<<
-----The orginal Mr.Goodwrench on the JBO since 11/99-----

Re: Ported T/b's
Friday, December 02, 2005 10:59 AM
I dont have prices right now. But I am tryin to keep it between 150 and 200, but the higher would most likely be offered as a powdercoated option (any color in the eastwood catolog)


2002 Z28: Slp coldair Pac, Corsa Catback, 3200 stall

Re: Ported T/b's
Sunday, December 04, 2005 8:50 AM
any updates on when this may be starting?



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