Location: Birmingham, AL www.hinsonsupercars.com 205-267-6387
•• Stainless Works Headers Inventory Blowout Special!! ••
We are sold out for our one time only price. This system is still available for our everyday low price. You can reach us at 205-267-6387 or seth@hinsonsupercars.com
I have a 1991 corvette its not ZR1 i wonder if they still fit a regular L98 corvette i am look for 1 7/8 OR 2" headers please call me to let me know @ 973 333 7492
I'm quite sure someone at HSC would gladly weld a set of bungs in them before shipping. You guys are acting like you have to rebuild the entire header to install an O2 sensor.
Bingo. O2 sensors are present on all MPFI engines, even those in race cars.
There is nothing that says MPFI engines HAVE to have O2 sensors and there are plenty of MPFI engines that don't. A lot of aftermarket MPFI systems don't use an O2 sensor and all MPFI engines used in marine applications do not use O2 sensors. MPFI engines without O2 sensors don't have a "closed loop" function therefore operate in "open loop" permanently...it's basically the same thing as when an O2 equipped engine goes to open loop because of an O2 circuit failure or when the load gets to a certain point and you need a richer mixture. I don't know about race engines, but I can't imagine why they would have O2 sensors since they spend a lot of time at full throttle where you don't need or want a 14.7:1 A/F ratio. The engine will be in open loop anyway and now you have all of the O2 "junk" there for nothing...I sure wouldn't want the sensor dangling in the exhaust stream impeding flow no matter how little it was. If the car saw double duty as a street car, I could understand it, but not for a pure race car. Maybe they have systems with wide-band O2 sensors so they can control how rich the mixture is at full throttle. I haven't really looked into it to say for sure if they do or don't use any O2 sensors, but I do know a factory narrow-band O2 sensor would be useless on a racetrack.
I'm quite sure someone at HSC would gladly weld a set of bungs in them before shipping. You guys are acting like you have to rebuild the entire header to install an O2 sensor.
If you passed on another set of headers with bungs for $50 more than these only to find out it was going to cost you $100 to put bungs on the cheaper ones after you got them, you might care a little. If you don't care about $50, I'll PM you my address and you can send it to me. Now don't come back here acting like I'm asking you to rebuild your entire checking account.
I've never had a set of SW headers but LT5 applications from other vendors including those I have the O2 bung is on the "inboard" surface of the collector. Are there applications/builds with the O2 bung on the "outboard" surface? I don't know! Are the SW O2 bungs "inboard"? I would think!
There's no AIR or EGR provisions but that's the way I assumed the "basic" build is and both of those options would be an "upcharge". Correct?
I looked at the entire LT5 application "images" on the SW site and it certainly appears that all of their applications have O2 bungs on the outer surface of the collector. I'd have never guessed a build for the LT5 wouldn't have included the O2 provisions! If the price is right though it still shouldn't be a deal breaker but it's certainly something that needs to be considered!
I'm "guessing" that the location on the SW build duplicates the location of the O2 on the '93+ cars and that would be the reason extensions aren't required of the O2 harnesses for that build. Just a "WAG"!
Another "WAG" Since the collector on the Hinson product as displayed is quite different also I'd guess this is an earlier build done by SW that duplicated the earlier products that were done for the LT5! Maybe there really is O2 bungs on the "inner" surface! Maybe it's just an older "stock image" and not the "real product"!!
I sort of wondered if they were the real header they are selling as well. Otherwise it appears to have the shorter collector that they recently sold along with bullet cats.
Corvette Store
•• Stainless Works Headers Inventory Blowout Special!! ••
