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| GeZza200 |
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G'day, I'm tossing up between the JMM race series or the Pacemaker Comps. Does anyone have any of these, and is there much of a performance increase?
Do you think i would notice a difference in low down torque and power?
_________________ EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come |
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| blacksabbath189 |
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the pacemaker comps are designed for mid to high rpm power im pretty sure, not sure about the JMM design, have a look at there website.
_________________ Slavery, gets s**t done! |
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| cjh |
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GeZza200 wrote: G'day, I'm tossing up between the JMM race series or the Pacemaker Comps. Does anyone have any of these, and is there much of a performance increase?
Do you think i would notice a difference in low down torque and power? I have a set, (pacemakers comps) and yes they did increase power from mid to high, and also helped with the std engine to pull higher up the rev range. And that was just seat of the pants stuff.....was definatley noticeable.
_________________ http://youtu.be/jJTh9F3Vgg0 |
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| GeZza200 |
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ok thx for your replys, if they are giving you more power at mid-high range does that mean there is maybe a loss in low end power?
_________________ EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come |
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| cjh |
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GeZza200 wrote: ok thx for your replys, if they are giving you more power at mid-high range does that mean there is maybe a loss in low end power?
I haven't noticed that, I think bottom end is a bit better than it was. Depending on surface finish, the 88EA will chirp/spin the wheels on hard accel, has 5sp, 3.27LSD, MPFI, original 178,000k's 3.9 engine., in 1st and is fitted with B'stone Eagers 235/60R15's. Figure from that???
_________________ http://youtu.be/jJTh9F3Vgg0 |
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| Nicko |
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i have the jmm race series extractors and am pretty happy with them
_________________ Nicko |
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| GeZza200 |
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Neo_nick wrote: i have the jmm race series extractors and am pretty happy with them
Did it feel like it pulled harder when you gave it to it, or didn't notice it much?
_________________ EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come |
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| locknut |
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I'm in a similar position, but was deciding between pacemaker 4499's and 4480's. People keep saying the smaller secondary's are better etc.. the main difference is they are 6>2>1 (4499) Vs 6>3>1 (4480).
So the smaller pipes are collectively offering a bigger flow as there are 3 x 44mm, rather than 2 x 48mm! Does anyone have dyno results of before and after with just exhaust mods? JMM series or Pacemakers? |
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| Nicko |
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GeZza200 wrote: Neo_nick wrote: i have the jmm race series extractors and am pretty happy with them Did it feel like it pulled harder when you gave it to it, or didn't notice it much? It hammered over factory exhaust! Pulled shhit loads more - after 2500 it just flys thru the rev range
_________________ Nicko |
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| NUTZEF |
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go pacies there are cheaper and will give similar power increase to jmm wich pacies is up to u do u wont more mid range or top end.
_________________ WOLF V500, t66(ar70 compressor), rochester 550cc injectors, borgg 265l fuel pump, 48mm turbosmart gate, turbosmart plumb back bov, 600x300x100 cooler, 3 inch zorst , 3.45 lsd, xr6 head, wade 1604 cam, adjustable cam gear, K&N pod filter, on 10psi and manual convertion exedy button clutch. 285.6rwkw |
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| GeZza200 |
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i want power all the way through the rev range, i got an auto and a 3.08 diff, so low range would be good so i can get off the line quicker. but i want power all the way through
_________________ EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come |
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| cjh |
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GeZza200 wrote: i want power all the way through the rev range, i got an auto and a 3.08 diff, so low range would be good so i can get off the line quicker. but i want power all the way through
If you still have the stock exhaust manifold, its only gonna help.
_________________ http://youtu.be/jJTh9F3Vgg0 |
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| 4dlvr |
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from what ive herd, their very very similar as in design and peformance
_________________ 96 EF FAIRMONT |
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| stockstandard |
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Very different design. The JMM race series are like the old pacemaker comps - 6-2-1 with narrow primaries and very long secondaries. The current pacemaker comps are a 6-3-1 tuned length configuration.
I have heard as many people say they prefer one as the other. Other than the sound (which is very different) there probably isnt all that much difference between them performance wise. If you believe what JMM say, he claims to have tested the pacemaker comps and claims that although they made the same power on the dyno the race series are 2/10s quicker down the 1/4. I spoke to someone who had run both on his car and he said the pacemakers were noticably better on road and made 5rwkw more on the dyno. who do you believe? As I said, I dont think there is much in it. I would still go the pacemakers
_________________ Stoke me a clipper, I'll be back for Christmas |
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| GeZza200 |
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I went down to the local exhaust shop and he quoted me $560 for the Pacemakers comps and $710 fitted. does that sound a bit steap to you?
_________________ EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come |
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