Choices with Whipple - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Speedfreak391 · 03-18-2016, 08:27 AM

Ok, here is the question. I have a 2010 L99 car that I have just converted to ls3 with the LS9 cam, lifters and valve springs. I am almost done with the whipple install and then I will be installing the LPE twin mechanical pump setup (the one that runs off factory wiring without the controller. Injectors are ID 850's, with a cold air, and Stainless power headers and Full magnaflow exhaust. Planning to to get dyno tuned in a week.

My question is What pulley should I run to be safe on the street with? I have the stock 4.00, 3.75, and a 3.50. I am not looking for a dyno queen I could care a less about a big number. I want as much power possible but want to be safe at the same time.

Thanks in advance!

94guy · 03-18-2016, 08:39 AM

3.75 pulley I ran 9.90 with your exact setup.

Speedfreak391 · 03-18-2016, 10:55 AM

Holy shit are you serious?

cc-rider · 03-18-2016, 11:07 AM

I don't think you want to run much past 9-10 psi with stock internals and running pump gas. Tough to say which pulley because you have a few mods there that will lower your boost as compared to a stock Whipple build. Call Whipple. Or call one of the vendors here who have done a lot of builds. They'll tell you which pulley will be best. Of the ones you have...I bet the 3.75 pulley is the one.

ToddB · 03-18-2016, 11:59 AM

I run 3.625 at 13 lbs. with meth. Mods in sig. Would not go over 10psi without meth.

Sent from my iPhone using Tapatalk

Speedfreak391 · 03-18-2016, 01:15 PM

I don't really want to run meth anyway. I would like to stay under 10 psi. I should be able to finish the complete install this weekend. I bought a used setup, and have had to source some misc. parts here and there. But I think I have everything now. Doing the heater hose hide tonight, since the stock hoses don't really work with the whipple. I also have to install the fuel pump and the rear cradle bushings. This weekend will be busy since I have to work on Sunday.

2SSLincolnSS2 · 03-18-2016, 05:57 PM

I have a rough idle blower cam, 2" headers, Whipple (3.875 pulley), ID 850's, cold air, Corsa 2.5", ZL1 pump, and an ADM FPCM.

I am running 9.9 lbs at 6600 RPM with that setup and 640rwhp on 91 octane.

*If I could do the fuel pump over, or if I ever have to, I will cut a hole in the back seat sheet metal. I had to drop the whole rear-end out of the car. Good luck trying to get the evap box out without dropping the rear.

TOSTO RACING · 03-19-2016, 10:24 AM

.

camarossdusk · 03-19-2016, 12:06 PM

I'm currently at 13-14 psi with a 3.625 pulley, 10 percent lower, e85 tuned with flex fuel sensor upgraded, fore dual pump, made about 9-10 passes at the track, car runs great and is tuned very safe not making 800 rwhp, but on a better dyno or climate, would make that kind of power, def. look into getting suspension, clutch, traction, and have spent a lot more money into building suspension lately, building lsx block now with built internals.

TOSTO RACING · 03-19-2016, 06:08 PM

What kind of mph did you have at the track and what rwhp did you make ?

Mr. Nasty · 03-19-2016, 06:36 PM

No dyno Queen here running a 3.75 pulley. In good air running 10.10 @ 135 in the 1/4

Speedfreak391 · 03-19-2016, 11:24 PM

Wow, That is a ton of power. I called whipple and they told me to run a 3.500 pulley to be around 10psi with this cam, headers and exhaust. I am thinking that may be a little drastic. I just really want to be as safe as possible. Hearing what you guys are seeing with 3.875 and 3.625 pulleys I am thinking the 4.00 is probably the safest way to go if I would like to stay 8-10 psi.

94guy · 03-20-2016, 09:18 AM

I have used 2SSLincolnSS2 JREcam in a few cars with a 6sp manual and 3.5 pulley 10.40'@136-137. The manual car made 725rwhp.

Batmanntexas · 03-20-2016, 04:59 PM

a lot depends on elevation where you are at. I am running the LS9 cam, 1-7/8 long tube headers, and full 3" exhaust. When I lived in Albuquerque, about 6000' feet above sea level, the stock 4" pulley was only good for 7 psi. I switched to the 3.75" and I came back up to 9 psi. Now that I live in North Carolina, about 350' above sea level, that same 3.75" pulley has me making a little over 11.5-12 psi. I am tuned very safe, and the car makes 650 RWHP on 93 octane.
If you want to remain below 10 psi, stick with the 4" pulley. You will lose about 1 psi of boost for every 2000' of elevation, and according to Whipple, gain about a 1 psi of boost per .125" reduction in pulley diameter.

-Scott

03-18-2016, 08:27 AM	#1
Speedfreak391 One man Army Drives: 1987 Iroc Players car Join Date: Jan 2015 Location: United States Posts: 133	Choices with Whipple Ok, here is the question. I have a 2010 L99 car that I have just converted to ls3 with the LS9 cam, lifters and valve springs. I am almost done with the whipple install and then I will be installing the LPE twin mechanical pump setup (the one that runs off factory wiring without the controller. Injectors are ID 850's, with a cold air, and Stainless power headers and Full magnaflow exhaust. Planning to to get dyno tuned in a week. My question is What pulley should I run to be safe on the street with? I have the stock 4.00, 3.75, and a 3.50. I am not looking for a dyno queen I could care a less about a big number. I want as much power possible but want to be safe at the same time. Thanks in advance! __________________ 1987 Iroc-Z with a turbo 5.3, T-56, Moser 9", and lots of other goodies. http://www.mifbody.com/vbulletin/sho...87-IROC/page24 2010 Camaro 2SS/RS with a K&N cold air Stainless Power headers, Magnaflow cat-back, staggered TSW Nurburgring's just a great daily driver.

03-18-2016, 08:39 AM	#2
94guy Drives: 99 Camaro; 2010 Camaro 2SS/RS Join Date: Nov 2009 Location: louisiana Posts: 1,967	3.75 pulley I ran 9.90 with your exact setup. __________________ 2018 Camaro SS A8 Edelbrock 2650 FBO 93 octane 9.54@144 Pump E 9.59@152 2010 Camaro Stock bottom end with 46,000+miles JRE remote tuning Whipple A6 and Drive it to and from the track 9.46@146

03-18-2016, 10:55 AM	#3
Speedfreak391 One man Army Drives: 1987 Iroc Players car Join Date: Jan 2015 Location: United States Posts: 133	Holy shit are you serious? __________________ 1987 Iroc-Z with a turbo 5.3, T-56, Moser 9", and lots of other goodies. http://www.mifbody.com/vbulletin/sho...87-IROC/page24 2010 Camaro 2SS/RS with a K&N cold air Stainless Power headers, Magnaflow cat-back, staggered TSW Nurburgring's just a great daily driver.

03-18-2016, 01:15 PM	#6
Speedfreak391 One man Army Drives: 1987 Iroc Players car Join Date: Jan 2015 Location: United States Posts: 133	I don't really want to run meth anyway. I would like to stay under 10 psi. I should be able to finish the complete install this weekend. I bought a used setup, and have had to source some misc. parts here and there. But I think I have everything now. Doing the heater hose hide tonight, since the stock hoses don't really work with the whipple. I also have to install the fuel pump and the rear cradle bushings. This weekend will be busy since I have to work on Sunday. __________________ 1987 Iroc-Z with a turbo 5.3, T-56, Moser 9", and lots of other goodies. http://www.mifbody.com/vbulletin/sho...87-IROC/page24 2010 Camaro 2SS/RS with a K&N cold air Stainless Power headers, Magnaflow cat-back, staggered TSW Nurburgring's just a great daily driver.

03-18-2016, 05:57 PM	#7
2SSLincolnSS2 SoCal Drives: 2011 SS2 Join Date: Mar 2012 Location: LA/OC Posts: 182	I have a rough idle blower cam, 2" headers, Whipple (3.875 pulley), ID 850's, cold air, Corsa 2.5", ZL1 pump, and an ADM FPCM. I am running 9.9 lbs at 6600 RPM with that setup and 640rwhp on 91 octane. *If I could do the fuel pump over, or if I ever have to, I will cut a hole in the back seat sheet metal. I had to drop the whole rear-end out of the car. Good luck trying to get the evap box out without dropping the rear. __________________

03-18-2016, 11:07 AM	#4
cc-rider Drives: 2010 Camaro SS Join Date: Dec 2006 Location: MN Posts: 1,177	I don't think you want to run much past 9-10 psi with stock internals and running pump gas. Tough to say which pulley because you have a few mods there that will lower your boost as compared to a stock Whipple build. Call Whipple. Or call one of the vendors here who have done a lot of builds. They'll tell you which pulley will be best. Of the ones you have...I bet the 3.75 pulley is the one.

03-18-2016, 11:59 AM	#5
ToddB Drives: 2011 2SS Convertible Supercharged Join Date: Nov 2010 Location: WI Cert Welder Navy NSSN Posts: 1,157	I run 3.625 at 13 lbs. with meth. Mods in sig. Would not go over 10psi without meth. Sent from my iPhone using Tapatalk

03-19-2016, 10:24 AM	#8
TOSTO RACING STOCK ELIMINATOR Drives: STOCKER Join Date: Aug 2015 Location: Dragstrip Posts: 433	. __________________ 5664 AA/SA 1970 NOVA Last edited by TOSTO RACING; 10-04-2016 at 09:30 PM.

03-19-2016, 12:06 PM	#9
camarossdusk whippled 5th gen Drives: 2013 camaro ss Join Date: Jun 2013 Location: West Texas Posts: 442 View My Garage	I'm currently at 13-14 psi with a 3.625 pulley, 10 percent lower, e85 tuned with flex fuel sensor upgraded, fore dual pump, made about 9-10 passes at the track, car runs great and is tuned very safe not making 800 rwhp, but on a better dyno or climate, would make that kind of power, def. look into getting suspension, clutch, traction, and have spent a lot more money into building suspension lately, building lsx block now with built internals. __________________ Whipple running 13 lbs of boost, Innovators west 8 rib with 10 percent over drive crankshaft pulley. Fore level 2 Dual pump fuel system, with duel TI auto fuel pumps, ID 1300 fuel injectors, tuned on e85. Driveshaft shop aluminum driveshaft, 1400 hp half shafts, Detroit tru-trac. ls9 camshaft, CNC ported heads, with trunion and dual valve spring upgrade, LS9 head gaskets, ARP 2000 head studs, Manley stainless valves. Adjustable Bmr toe rods, trailing arms, rear adjustable sway bar, full cradle bushings, upper control arm bushings, BMR diff. bushings, bmr driveshaft safety loop.

03-19-2016, 06:08 PM	#10
TOSTO RACING STOCK ELIMINATOR Drives: STOCKER Join Date: Aug 2015 Location: Dragstrip Posts: 433	What kind of mph did you have at the track and what rwhp did you make ? __________________ 5664 AA/SA 1970 NOVA

03-19-2016, 06:36 PM	#11
Mr. Nasty Emerald Coast Camaros Drives: 2010 RS/SS Rally Yellow & 68 SS Join Date: Dec 2012 Location: Woodville,FL. Posts: 1,814	No dyno Queen here running a 3.75 pulley. In good air running 10.10 @ 135 in the 1/4 __________________ Best @ 586/525 =10.41 @ 133 AS OF 12/13/14>633 RWHP =10.22@135 AS OF 1/31/15 @ 633 RWHP=10.16@135 AS OF 1/29/16 @ 633 RWHP=10.10@136 TOPED 700 PASSES AFTER F.I. AND STILL ON THE ORIGIANAL STOCK AXLE & DIFF

03-19-2016, 11:24 PM	#12
Speedfreak391 One man Army Drives: 1987 Iroc Players car Join Date: Jan 2015 Location: United States Posts: 133	Wow, That is a ton of power. I called whipple and they told me to run a 3.500 pulley to be around 10psi with this cam, headers and exhaust. I am thinking that may be a little drastic. I just really want to be as safe as possible. Hearing what you guys are seeing with 3.875 and 3.625 pulleys I am thinking the 4.00 is probably the safest way to go if I would like to stay 8-10 psi. __________________ 1987 Iroc-Z with a turbo 5.3, T-56, Moser 9", and lots of other goodies. http://www.mifbody.com/vbulletin/sho...87-IROC/page24 2010 Camaro 2SS/RS with a K&N cold air Stainless Power headers, Magnaflow cat-back, staggered TSW Nurburgring's just a great daily driver.

03-20-2016, 09:18 AM	#13
94guy Drives: 99 Camaro; 2010 Camaro 2SS/RS Join Date: Nov 2009 Location: louisiana Posts: 1,967	I have used 2SSLincolnSS2 JREcam in a few cars with a 6sp manual and 3.5 pulley 10.40'@136-137. The manual car made 725rwhp. __________________ 2018 Camaro SS A8 Edelbrock 2650 FBO 93 octane 9.54@144 Pump E 9.59@152 2010 Camaro Stock bottom end with 46,000+miles JRE remote tuning Whipple A6 and Drive it to and from the track 9.46@146

03-20-2016, 04:59 PM	#14
Batmanntexas Drives: 2012 Camaro SS (2SS) Join Date: Aug 2012 Location: Stafford, VA Posts: 1,379 View My Garage	a lot depends on elevation where you are at. I am running the LS9 cam, 1-7/8 long tube headers, and full 3" exhaust. When I lived in Albuquerque, about 6000' feet above sea level, the stock 4" pulley was only good for 7 psi. I switched to the 3.75" and I came back up to 9 psi. Now that I live in North Carolina, about 350' above sea level, that same 3.75" pulley has me making a little over 11.5-12 psi. I am tuned very safe, and the car makes 650 RWHP on 93 octane. If you want to remain below 10 psi, stick with the 4" pulley. You will lose about 1 psi of boost for every 2000' of elevation, and according to Whipple, gain about a 1 psi of boost per .125" reduction in pulley diameter. -Scott __________________ 745RWHP/634RWTQ on 93 @ 10psi 806/676 on E85 @ 10psi Currently @15-16psi.... COTW 9/8/14