Topic: 74mm throttle body (Read 8212 times)

chris · « **on:** December 22, 2011, 05:30:26 PM »

http://cms.skunk2.com/id/769/74mm-B-Series-Throttle-Body-Black-Series/

That size seems familiar. Either way considering I have sold a total of 2 throttle bodies this year I could careless.

crxvtec91 · « **Reply #1 on:** December 22, 2011, 05:42:06 PM »

FUCK SK2!

chris · « **Reply #2 on:** December 22, 2011, 05:57:46 PM »

There pro cams work good and they choose the right size throttle body to produce

Passenger · « **Reply #3 on:** December 22, 2011, 06:52:05 PM »

That is a nice looking part, what does it retail for?

chris · « **Reply #4 on:** December 22, 2011, 07:19:59 PM »

they sell for like 350

snm95ls · « **Reply #5 on:** December 23, 2011, 02:47:19 AM »

Quote from: chris M on December 22, 2011, 07:19:59 PM

they sell for like 350

LOL!

I'd much rather buy one from you.

chris · « **Reply #6 on:** December 23, 2011, 03:19:09 AM »

I dont even sell them anymore I sold what I had and never bothered getting more since they were selling horrible etc. Only thing I can do is taper bore other brands now

Joseph Davis · « **Reply #7 on:** December 23, 2011, 06:31:55 AM »

Quote from: chris M on December 22, 2011, 05:57:46 PM

There pro cams break good and they choose the right size throttle body to produce

1991civicsi · « **Reply #8 on:** December 23, 2011, 11:22:25 AM »

PBT for me anyday

snm95ls · « **Reply #9 on:** December 23, 2011, 02:32:57 PM »

Quote from: Joseph Davis on December 23, 2011, 06:31:55 AM

Quote from: chris M on December 22, 2011, 05:57:46 PM
There pro cams break good and they choose the right size throttle body to produce

Yeah I am still waiting on mine to break ad or destroy the rocker pads. The sleeves ought to blow out pretty soon too.

Anyone want to start a deadpool?

92CXyD · « **Reply #10 on:** December 23, 2011, 03:11:50 PM »

Quote from: snm95ls on December 23, 2011, 02:32:57 PM

Quote from: Joseph Davis on December 23, 2011, 06:31:55 AM
Quote from: chris M on December 22, 2011, 05:57:46 PM
There pro cams break good and they choose the right size throttle body to produce

Yeah I am still waiting on mine to break ad or destroy the rocker pads. The sleeves ought to blow out pretty soon too.

Anyone want to start a deadpool?

What are the particulars?

chris · « **Reply #11 on:** December 23, 2011, 03:18:59 PM »

They make good power but I wouldnt have the balls to run them in my personal stuff. Can anyone make a cam that doesnt break for a honda?

ratcityrex · « **Reply #12 on:** December 23, 2011, 03:19:48 PM »

Quote from: chris M on December 23, 2011, 03:18:59 PM

They make good power but I wouldnt have the balls to run them in my personal stuff. Can anyone make a cam that doesnt break for a honda?

colt or web?

Joseph Davis · « **Reply #13 on:** December 23, 2011, 03:40:24 PM »

BCrower cams don't break, but their valvetrain is sketchy. The turbo cams are snake oil but I bet the entry levelNA cams might work well in a really hot turbo car.. had a bad experience with the stage 2's on the BRMS car, but did a 12.5+ CR turbo car with them the other day and that setup liked them.

Of all the Brand Name shelf cams I really like Buddy Club, pretty much just NA fare but they do a really good job.

chris · « **Reply #14 on:** December 23, 2011, 05:03:55 PM »

Quote from: ratcityrex on December 23, 2011, 03:19:48 PM

Quote from: chris M on December 23, 2011, 03:18:59 PM
They make good power but I wouldnt have the balls to run them in my personal stuff. Can anyone make a cam that doesnt break for a honda?

colt or web?

Hickmans 330 whp big h series all motor build lost a valve due to web cams going flat. Have seen my fair share of web cams go flat.

HiProfile · « **Reply #15 on:** December 23, 2011, 05:20:12 PM »

Just curious if they were using high-zinc oil, or a ZDDT additive. The engine builder I know recommends half a bottle of GM's EOS for skank2 cams, and I just talked to John at Delta who said something similar. Most API oil now has a max of 900ppm, or 9%. You really want 11-19%, but more than that and it can actually hurt the iron in the cam & motor.

Flat tappet motors have this problem if the zinc isn't there. Some won't last a thousand miles w/o enough zinc.

I say you nogs just use Bisi cams. They last forever and make the mostest powar!

92CXyD · « **Reply #16 on:** December 23, 2011, 05:28:19 PM »

Quote from: HiProfile on December 23, 2011, 05:20:12 PM

I say you nogs just use Bisi cams. They last forever and make the mostest powar!

So your saying Bisi's magic ams are fortified w/ zinc already?

chris · « **Reply #17 on:** December 23, 2011, 05:38:58 PM »

Well the motor went from a oem type s cam that we dynoed the motor/ran track events all of the west coast never missed a beat. One dyno session/one event in the finals mind you and the cams went flat trashing a motor that was bulletproof before the web cams.Motor dropped a valve from the flat cams/self destruction. We did the same thing spiker did and welded the hole in the block. Same thing happened years earlier with a b20vtec running type r oem cams. Wanted a little more power went to some webs and same result.

Now the mild web regrinds we always had good results with. The hard welded big cams tried 2 sets and they ruined motors.

snm95ls · « **Reply #18 on:** December 23, 2011, 07:12:09 PM »

Quote from: 92CXyD on December 23, 2011, 03:11:50 PM

Quote from: snm95ls on December 23, 2011, 02:32:57 PM
Quote from: Joseph Davis on December 23, 2011, 06:31:55 AM
Quote from: chris M on December 22, 2011, 05:57:46 PM
There pro cams break good and they choose the right size throttle body to produce

Yeah I am still waiting on mine to break ad or destroy the rocker pads. The sleeves ought to blow out pretty soon too.

Anyone want to start a deadpool?

What are the particulars?

See Leed's NA B20VTAK build thread. Pretty much the same thing.

Just a faggot assed 2 liter naturally asphyxiated motor in the daily driven ED. People say the cams will go flat, ruin the rocker pads, and that 84.5 mm stock B20 sleeves are gonna crack.

4K miles and counting so far.

Joseph Davis · « **Reply #19 on:** December 24, 2011, 12:13:25 AM »

I've a couple 290-310whp B20x, uncorrected numbers, roaming around. Only B16 split sleeves, IMO.

snm95ls · « **Reply #20 on:** December 25, 2011, 11:47:54 PM »

Quote from: Joseph Davis on December 24, 2011, 12:13:25 AM

I've a couple 290-310whp B20x, uncorrected numbers, roaming around. Only B16 split sleeves, IMO.

Nah, the massive RPM that I have to turn because of the VTEC head will kill the sleeves. Combine that with the super aggressive Junk2 cams and I will have to spin it to 10K to make any power.

Loads of sarcasm.

Joseph Davis · « **Reply #21 on:** December 26, 2011, 01:38:05 PM »

RPM affects harmonics, but you can make less sleeve splitting torque while making more overall power if you have a set of cams and can spin to 8-8.5K. *shrug*

snm95ls · « **Reply #22 on:** December 26, 2011, 01:48:06 PM »

Quote from: Joseph Davis on December 26, 2011, 01:38:05 PM

RPM affects harmonics, but you can make less sleeve splitting torque while making more overall power if you have a set of cams and can spin to 8-8.5K. *shrug*

The whole sleeves cracking and RPM thing is kind of an inside joke per se. I have a friend that thinks that B20 sleeves are made of glass. While they certainly aren't super strong, they don't seem to crack if you breath on them wrong. Maybe I am wrong.

It's an NA 2.0 liter inline four. I don't think there is such a thing as sleeve splitting torque.

I mean, all of that side loading from the shittry R/S ratio surly puts undue strain on the cylinder walls.

There is a super nice sleeved 84 mm B18C block for sale locally. Too bad I don't have the cash to pick it up for a future build.

Joseph Davis · « **Reply #23 on:** December 26, 2011, 02:01:12 PM »

Your estimation of B20 sleeve strength is correct.

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Author Topic: 74mm throttle body (Read 8212 times)

chris

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chris

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chris