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Old 02-17-2014, 07:07 PM   #43
BPG
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Originally Posted by swizlstik View Post
I'm confused...
This is my next upgrade (pulley's and injectors) and there are many opinions going around as what to go with. I currently have Pfadt headers, Roto-Fab CAI, and a ported LS7 throttle body. By reading through this thread, there are multiple ways to go. As Joe said, mine is my DD and I drive the crap out of it. I'm wanting to unleash more of the power this LSA has but not sure which direction to go.
Mine is getting the ATI lower with 22%, 50mm idler, ID850s and Kooks with green cats on Wednesday or Thursday. I'll post dyno numbers when she's done. I also daily drive the hell out of this thing
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Old 02-17-2014, 07:17 PM   #44
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Mine is getting the ATI lower with 22%, 50mm idler, ID850s and Kooks with green cats on Wednesday or Thursday. I'll post dyno numbers when she's done. I also daily drive the hell out of this thing
good combo...looks like 580-590rwhp!!
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'15 Z/28 #325 black a/c & stereo. 2:10.9 VIR Full 1:44.74 Summit Point Shenandoah Circuit
Advanced Induction cylinder heads & B-3 cam (RPM) ARH 1 7/8" headers, MSD atomic air force intake. 575rwhp/500rwtq (conservative tune).
'12 ZL1 10.52@131 1.55 60' 2:13 VIR Full (sold)
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Old 02-17-2014, 07:53 PM   #45
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good combo...looks like 580-590rwhp!!
Awesome. Hoping to break 600.. But not a huge deal if not. I'll be adding a cam as soon as I figure out if I'm going to Germany or not. I'm not big on the idea of bringing a cammed ZL1 to Germany. Long way away if something goes wrong.
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Old 02-17-2014, 08:12 PM   #46
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get an ATI lower with a 9.55" ring and be done. You must as stated upgrade fuel injectors and use an idler relocation bracket with the larger rings like the 9.55 or 10.
I like that combo.
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Old 02-18-2014, 07:21 AM   #47
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Quote:
Originally Posted by swizlstik View Post
I'm confused...
This is my next upgrade (pulley's and injectors) and there are many opinions going around as what to go with. I currently have Pfadt headers, Roto-Fab CAI, and a ported LS7 throttle body. By reading through this thread, there are multiple ways to go. As Joe said, mine is my DD and I drive the crap out of it. I'm wanting to unleash more of the power this LSA has but not sure which direction to go.
I would be happy to answer all of your questions and guide you down the best path for you.

Ted.
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Old 02-18-2014, 07:25 AM   #48
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I like that combo.
oh yeah!
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'15 Z/28 #325 black a/c & stereo. 2:10.9 VIR Full 1:44.74 Summit Point Shenandoah Circuit
Advanced Induction cylinder heads & B-3 cam (RPM) ARH 1 7/8" headers, MSD atomic air force intake. 575rwhp/500rwtq (conservative tune).
'12 ZL1 10.52@131 1.55 60' 2:13 VIR Full (sold)
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Old 02-18-2014, 07:35 AM   #49
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Originally Posted by swizlstik View Post
I'm confused...
This is my next upgrade (pulley's and injectors) and there are many opinions going around as what to go with. I currently have Pfadt headers, Roto-Fab CAI, and a ported LS7 throttle body. By reading through this thread, there are multiple ways to go. As Joe said, mine is my DD and I drive the crap out of it. I'm wanting to unleash more of the power this LSA has but not sure which direction to go.
Since then I have done injectors and 2.50 metco upper pulley and ported lsa tb. Result 562rwhp 578rwtq, no loss of driveability but lots more fuel consumption. I did another trip upby you for holidays swiz but my highway mpgs were 16
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Old 02-18-2014, 07:45 AM   #50
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Since then I have done injectors and 2.50 metco upper pulley and ported lsa tb. Result 562rwhp 578rwtq, no loss of driveability but lots more fuel consumption. I did another trip upby you for holidays swiz but my highway mpgs were 16
If you have the ability to Log your car you can gain that lost mileage back with a touch up of the tune.

Which injectors?

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Please vist our web sites for all your performance needs!
Ted Jannetty
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2984 East Main St.
Waterbury Ct. 06705
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Old 02-18-2014, 02:20 PM   #51
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Ryan from LPE told me the same thing, but then I spoke with Brent from LPE and he said they have had no issues? I ended up going with the 2.38...
I know I am quoting an old post but since there are some new posts on it I am going to clarify.

What I had said is that when running the smaller 2.35 pulley you are more prone to belt slip. You will have less belt contact area and you are spinning it faster. Does this mean that you are guaranteed to have belt slip? NO. You are just more likely to have it with the smaller pulley than when you run a 2.55 pulley with the 10% overdriven lower (around the same overall percentage of overdrive, but you have more surface contact area).
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