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07-13-2010, 10:22 AM
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#201
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,165
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Ok, with those pics the choices seem limited so I'm still thinking cats right off the collectors - I'm sure they will be hot enough, especially if the headers are coated in & out. Then custom y-pipe. Say hello to denny at mufflex!
QQ plates in 2012!
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Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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07-13-2010, 10:22 AM
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#202
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,938
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Quote:
Originally Posted by BonzoHansen
Ok, with those pics the choices are limited so I'm still thinking cats right off the collectors - I'm sure they will be hot enough, especially if the headers are coated in & out. Then custom y-pipe. Say hello to denny at mufflex!
QQ plates in 2012!
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yea, pretty much everything I have seen is custom made up.. heres another one Al..
When are you due for inspection?
I would suggest getting the damn thing running, then drive it to Mufflex and say "heres two cats, make **** work"
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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Last edited by LTb1ow; 07-13-2010 at 10:23 AM.
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07-13-2010, 11:21 AM
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#203
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Ahaha, I actually have 2x2.5 inch cats in the garage. They arent the round ones, they are more conventional and not exactly high flow from what I remember, but I do already have them. They are small. Im at my fathers now, so ill snap some shots and post them up here in a sec.
every y pipe I have seen has been custom. Either someone destroys the one that hawk sells, or goes to a shop to make their own.
You would figure at this point, someone would make a Y that worked. I still dont understand why a Y pipe for lets say, LT Hookers for a SBC wouldnt work? Once the exhaust is routed to the collector, they all end up in about the same location, right? So what would really be the difference. Anyone have a spare third gen y pipe for LT headers lying around?
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2/20/2013: They Day the ****s Stopped
Last edited by BigAls87Z28; 07-13-2010 at 11:24 AM.
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07-13-2010, 11:30 AM
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#204
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10 Second Club
Join Date: Feb 2008
Location: Eatontown
Posts: 1,647
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I have an old 3" catted Y pipe for 4th gens in my garage. I got it used along with headers and ran it for about 1k miles. Not sure how well they worked but it smelled better  . Your welcome to take it off my hands and hack away...
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1999 C5 FRC: 12.7@114
2008 TBSS: 12.48@108
2017 Silverado 2500 do you even lift breh?
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07-13-2010, 11:44 AM
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#205
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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those are the two cats I have.
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2/20/2013: They Day the ****s Stopped
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07-13-2010, 12:16 PM
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#206
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Ebearnezer Scrooge/Power Member/Lips
Join Date: May 2006
Location: Hamilton, Mercer county
Posts: 4,141
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Quote:
Originally Posted by BigAls87Z28
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I think you will have a hard time getting those to fit under the car with LT's. With all the pictures I have seen there is not a lot of room under the tunnel to begin with for LT's and even less without a custom crossmember. None of the currently available ones are going to let you have any kind of ground clearance with those cats.
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07-13-2010, 12:53 PM
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#207
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Just buy my 3" cats Al ....
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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07-13-2010, 01:05 PM
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#208
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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You have 3in cats to sell me?
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2/20/2013: They Day the ****s Stopped
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07-13-2010, 01:07 PM
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#209
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,938
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Quote:
Originally Posted by BigAls87Z28
You have 3in cats to sell me?
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http://www.njfboa.org/forums/showthread.php?t=47053
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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07-13-2010, 01:08 PM
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#210
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Yeah, found them. Looks good Tim, they should clear I guess.
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2/20/2013: They Day the ****s Stopped
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07-13-2010, 02:03 PM
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#211
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,368
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why not wait till the damn thing is together so you can see what you are working with. you can bicker and brainstorm all you want but it sure as hell isn't going to put cats on your y. go do work
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07-13-2010, 03:11 PM
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#212
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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wah.....
Kinda wana figure it out first, not just amass a large pile of parts like SOME race car drivers.
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2/20/2013: They Day the ****s Stopped
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07-13-2010, 05:54 PM
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#213
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10 Second Club
Join Date: Feb 2008
Location: Eatontown
Posts: 1,647
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Hey Al did you swap the ls6 valley pan on yet?
__________________
1999 C5 FRC: 12.7@114
2008 TBSS: 12.48@108
2017 Silverado 2500 do you even lift breh?
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07-13-2010, 06:58 PM
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#214
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Not yet, so far this week has turned into a cluster**** of nonsense.
I lazy'ed out Sunday, and that backfired. Today was my day off, but I had to go into work to get the place in shape for the big shots this week, and that is eating up all of my time.
BTW, Saturday I cant go to Dougs wedding. Its my grandmothers birthday party. It was supposed to be next week, but it got moved to this weekend.
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2/20/2013: They Day the ****s Stopped
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07-14-2010, 09:07 AM
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#215
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Ebearnezer Scrooge/Power Member/Lips
Join Date: May 2006
Location: Hamilton, Mercer county
Posts: 4,141
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Al, here is a pretty clean looking exhaust picture in this post, but you will need those small bullet cats like we are all mentioning.
http://www.thirdgen.org/techboard/po...997-post6.html
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07-14-2010, 11:53 AM
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#216
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Those cats are pretty far downstream.
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2/20/2013: They Day the ****s Stopped
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07-14-2010, 12:45 PM
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#217
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,368
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throw it together with an ory, grab an infrared thermometer, and see where the exhaust is hot enough for the cat to work properly
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07-14-2010, 08:13 PM
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#218
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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I see Tim's cats, but should I get two of those spun cats that Magnaflow sells?
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2/20/2013: They Day the ****s Stopped
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07-14-2010, 09:08 PM
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#219
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,368
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Quote:
Originally Posted by BigAls87Z28
I see Tim's cats, but should I get two of those spun cats that Magnaflow sells?
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Quote:
Originally Posted by BigAls87Z28
Ahaha, I actually have 2x2.5 inch cats in the garage. They arent the round ones, they are more conventional and not exactly high flow from what I remember, but I do already have them. They are small. Im at my fathers now, so ill snap some shots and post them up here in a sec.
every y pipe I have seen has been custom. Either someone destroys the one that hawk sells, or goes to a shop to make their own.
You would figure at this point, someone would make a Y that worked. I still dont understand why a Y pipe for lets say, LT Hookers for a SBC wouldnt work? Once the exhaust is routed to the collector, they all end up in about the same location, right? So what would really be the difference. Anyone have a spare third gen y pipe for LT headers lying around?
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Quote:
Originally Posted by BigAls87Z28
Alright quick and easy one...hopefully.
1 3/4 headers come in either 2.5 or 3 inch collectors. Im feeling 2.5 for clearance issues. Will I see that much of a difference with the extra half inch?
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Quote:
Originally Posted by BigAls87Z28
It has a 3 inch exhaust on it already. But there is still a whole y pipe between the two
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Quote:
Originally Posted by BigAls87Z28
Well, the Y can be made of 2x2.5's into a 3 inch section that attaches to the cat, and then into the I pipe.
The y will make up any difference in size from the LT's to the cat,
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baaahahhahaah
seriously you are doing something "one off" so you have to roll with the punches. i would concentrate on the major components first then nitpick with the little things later on. i mean, you have an engine from 2000 whatever going into a 1987 mess. there will be plenty of tongue twisters for you to re engineer
that or i'll just go **** myself
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07-14-2010, 10:16 PM
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#220
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Major components are figured out already. Im looking into the future now. Like I said, I want to have a game plan as I move forward.
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2/20/2013: They Day the ****s Stopped
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07-15-2010, 01:19 AM
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#221
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Ebearnezer Scrooge/Power Member/Lips
Join Date: May 2006
Location: Hamilton, Mercer county
Posts: 4,141
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Quote:
Originally Posted by sweetbmxrider
that or i'll just go **** myself
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This
IMO the bullet cats are the way to go for clearance and space but they also carry a fairly hefty pricetag, you could do some "generic" or magnaflows for a LOT less. I plan on dual Random tech cats on the 91 as it was/is an N10 car so that is what it is supposed to have.
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07-15-2010, 07:28 AM
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#222
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,368
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Quote:
Originally Posted by BigAls87Z28
Major components are figured out already. Im looking into the future now. Like I said, I want to have a game plan as I move forward.
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yes but when things are together on the car, you can more easily see what you need to deal with and then you can get creative. honestly i just don't wanna see you buy converters then try to resell them when they don't work.
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07-15-2010, 11:55 AM
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#223
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Understandable, but thats why I want to look at what others have done.
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2/20/2013: They Day the ****s Stopped
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07-15-2010, 06:06 PM
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#224
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,368
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i get that but it seems not much is coming up and you are asking should i do this or that? i would wait until you have a header in your floor board and another on the ground to determine the correct purchase
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07-15-2010, 06:41 PM
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#225
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Ahh well, sorry for being proactive in my parts purchasing.
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2/20/2013: They Day the ****s Stopped
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