eMPee Member 247 Member For: 20y 9m 18d Location: Sydney Posted 29/12/06 03:13 AM Share Posted 29/12/06 03:13 AM How come your pacy comps look different to NOS's?My advance look like NOS's just with a press bend not mandrel.... Link to comment Share on other sites More sharing options...
Doogstar Member 276 Member For: 17y 11m 28d Posted 29/12/06 03:57 AM Share Posted 29/12/06 03:57 AM Do you mean mine are polished more? Mine weren't ceramic coated by Pacemaker, my exhaust guy got them done somewhere in Coburg I think. They are Pacemaker Comps. Link to comment Share on other sites More sharing options...
Guest Guests Posted 29/12/06 04:48 AM Share Posted 29/12/06 04:48 AM My headers had a good shine on them but that soon dulled, I have to check whether my headers are the comps or not and how much of a power diff there is between the two. If theres 3kw in it I'll up grade, sad ain't I? Link to comment Share on other sites More sharing options...
Doogstar Member 276 Member For: 17y 11m 28d Posted 29/12/06 05:07 AM Share Posted 29/12/06 05:07 AM (edited) Yeah, mine have dulled too, that shot was not long after I got them. It will have it stamped on them, 4495. Std are 4490 I think.Not much between the two, the comps give better top end performance, the std give better mid-range performance. If you racing your car, the comps are the bomb.It is very sad..us n/a guys have to chase every Kw. Edited 29/12/06 05:11 AM by Doogstar Link to comment Share on other sites More sharing options...
eMPee Member 247 Member For: 20y 9m 18d Location: Sydney Posted 29/12/06 07:08 AM Share Posted 29/12/06 07:08 AM I meant the shape and design. not the coating. Link to comment Share on other sites More sharing options...
Guest Guests Posted 29/12/06 12:00 PM Share Posted 29/12/06 12:00 PM Went down to my car and knew I was in for bad news, 4090 stamped on the side.So whats all this mean in real world numbers not much me thinks but worth chasing for me so I called Pace Makers and there was no answer, they must be on Holidays. Sad when you think I bolted on my pace makers before there was a Comp set but that's life. Link to comment Share on other sites More sharing options...
Doogstar Member 276 Member For: 17y 11m 28d Posted 29/12/06 01:31 PM Share Posted 29/12/06 01:31 PM Went down to my car and knew I was in for bad news, 4090 stamped on the side.So whats all this mean in real world numbers not much me thinks but worth chasing for me so I called Pace Makers and there was no answer, they must be on Holidays. Sad when you think I bolted on my pace makers before there was a Comp set but that's life.←Hey eMPee, well spotted.I wouldn't be concerned NOS, you will have more low to midrange torque than me, just my top end torque would be better. Link to comment Share on other sites More sharing options...
Guest Guests Posted 30/12/06 08:08 AM Share Posted 30/12/06 08:08 AM NA-06-XR, what are the Herrod Headers you have?The should be Pace Makers (I know they are) but are they 4490 or 4495? Link to comment Share on other sites More sharing options...
NA-06-XR Member 112 Member For: 18y 16d Posted 30/12/06 02:17 PM Share Posted 30/12/06 02:17 PM ok ... now I'm confused... If there's a 4495, and theres a 4090...Mine have 4490 stamped on the side... can you check to see if yours really are a 4090? I'm hoping mine are closer to the race version.... It seems like it when driving....torque response is at about 3000rpm... right thorugh to about 5700... but that could be due to the CAMS as well... Link to comment Share on other sites More sharing options...
Doogstar Member 276 Member For: 17y 11m 28d Posted 30/12/06 02:25 PM Share Posted 30/12/06 02:25 PM ok ... now I'm confused... If there's a 4495, and theres a 4090...Mine have 4490 stamped on the side... can you check to see if yours really are a 4090? I'm hoping mine are closer to the race version.... It seems like it when driving....torque response is at about 3000rpm... right thorugh to about 5700... but that could be due to the CAMS as well...← Standard Paccies are 4490, that's what you have. Don't know about 4090?? Link to comment Share on other sites More sharing options...
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