1 or 2 cut outs with LTs?
05-28-2003, 02:08 PM
#1
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Location: NJ
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1 or 2 cut outs with LTs?
I will be going to JH LTs with my new motor. 355 or 383, haven't decided yet. Will have all the goodies blah blah.
Anyway, I am just curious as to whether or not running 2 cut outs would do more harm than good.
Anyway, I am just curious as to whether or not running 2 cut outs would do more harm than good.
05-28-2003, 04:07 PM
#2
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Join Date: Oct 2002
Location: Dartmouth, MA
Posts: 335
Are your LT's going to go into a y-pipe or are you doing true dual exhaust? I'm not quite sure what you're asking. Do you mean is it better to have a cut-out after each header or one after the Y-pipe before the muffler? If this is what your asking it kinda depends what you want the cut-outs for really. If you plan on getting the powerplate ones that have a switch and motor that opens/closes the cut outs to **** with people on the street(at a stop light and some punk *** ricer is revving his **** to high hell), then I would put one after each header for maximum volume 
But if you want one for performance I would put it after the y-pipe where the 2 pipes become one, that way you have a little back pressure in the system to still give you some low end torque. Just my $.02
Myles
But if you want one for performance I would put it after the y-pipe where the 2 pipes become one, that way you have a little back pressure in the system to still give you some low end torque. Just my $.02Myles
05-29-2003, 08:05 AM
#4
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Originally posted by Mizz96Z28
Are your LT's going to go into a y-pipe or are you doing true dual exhaust? I'm not quite sure what you're asking. Do you mean is it better to have a cut-out after each header or one after the Y-pipe before the muffler? If this is what your asking it kinda depends what you want the cut-outs for really. If you plan on getting the powerplate ones that have a switch and motor that opens/closes the cut outs to **** with people on the street(at a stop light and some punk *** ricer is revving his **** to high hell), then I would put one after each header for maximum volume But if you want one for performance I would put it after the y-pipe where the 2 pipes become one, that way you have a little back pressure in the system to still give you some low end torque. Just my $.02
Myles
Are your LT's going to go into a y-pipe or are you doing true dual exhaust? I'm not quite sure what you're asking. Do you mean is it better to have a cut-out after each header or one after the Y-pipe before the muffler? If this is what your asking it kinda depends what you want the cut-outs for really. If you plan on getting the powerplate ones that have a switch and motor that opens/closes the cut outs to **** with people on the street(at a stop light and some punk *** ricer is revving his **** to high hell), then I would put one after each header for maximum volume
But if you want one for performance I would put it after the y-pipe where the 2 pipes become one, that way you have a little back pressure in the system to still give you some low end torque. Just my $.02Myles
I was just curious to see if 2 with the LTs and built motor would do any better than 1. I always have it uncapped so I would have the 2 uncapped 24/7 as well
05-29-2003, 09:32 AM
#6
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Join Date: Mar 2001
Location: South Hill, VA
Posts: 379
a waste of time effort money?
on my heads and camed motor
gained 14rwhp and 18rwtq uncapped with my 2 cutouts
thats alot...
did a TB bypass and put on a BBK 58mm TB gained like 11rwhp for what $320?
i'm pretty sure its alot of other mods ppl buy for way more then a cutouts cost that picks up less power also.
for as cheap and simple a cutout is for the power gain... its def. worth it
but i wouldnt recommend riding around with them open all the time
on my heads and camed motor
gained 14rwhp and 18rwtq uncapped with my 2 cutouts
thats alot...
did a TB bypass and put on a BBK 58mm TB gained like 11rwhp for what $320?
i'm pretty sure its alot of other mods ppl buy for way more then a cutouts cost that picks up less power also.
for as cheap and simple a cutout is for the power gain... its def. worth it
but i wouldnt recommend riding around with them open all the time
Last edited by dobe; 05-29-2003 at 09:35 AM.
05-29-2003, 09:38 AM
#7
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Join Date: Feb 2000
Location: Syracuse, NY, USA
Posts: 321
I run two. They are in the y-pipe right behind the header collector. Wheather or not you need one or two will depend on your HP level and exhaust design. I have 3" collectors, 3" Y-pipe and a 3" intermediate pipe. Basically I am reducing the two 3" collector volume down to one 3" intermediate pipe if I do not use the cutouts. This would be a huge restriction since I am looking at 700+ HP on the spray.
If you are running somthing like the mufflex 4" exhaust, or have a mild 383, then one cut-out may be all you need.
If you are running somthing like the mufflex 4" exhaust, or have a mild 383, then one cut-out may be all you need.
05-29-2003, 09:39 AM
#8
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Join Date: Nov 2002
Location: Huntsville, AL
Posts: 346
Originally posted by dobe
a waste of time effort money?
on my heads and camed motor
gained 14rwhp and 18rwtq uncapped with my 2 cutouts
thats alot...
a waste of time effort money?
on my heads and camed motor
gained 14rwhp and 18rwtq uncapped with my 2 cutouts
thats alot...
05-29-2003, 12:27 PM
#11
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Join Date: Mar 2001
Location: South Hill, VA
Posts: 379
Originally posted by Will84
Did you dyno with 1 cutout or did you put 2 on from the start? That is what Trey is talking about.... there is no real gain by using 2 instead of 1.
Did you dyno with 1 cutout or did you put 2 on from the start? That is what Trey is talking about.... there is no real gain by using 2 instead of 1.
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