Whipped whistle? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

tbss1 · 03-30-2018, 01:22 AM

After I installed my whipple supercharger, around 1800-2000 rpm in 2nd gear there is a whistle, it’s not the whine, from the supercharger, but a whistle. Can anyone tell me what it is? I’m thinking a vacuum leak, but the car runs great. That whistle is kind of loud. I have cold air intake, would that cause a whistling sound? Or is it normal? Any help will be greatly appreciated.

JANNETTYRACING · 03-30-2018, 06:52 PM

Quote:

Originally Posted by tbss1

After I installed my whipple supercharger, around 1800-2000 rpm in 2nd gear there is a whistle, it’s not the whine, from the supercharger, but a whistle. Can anyone tell me what it is? I’m thinking a vacuum leak, but the car runs great. That whistle is kind of loud. I have cold air intake, would that cause a whistling sound? Or is it normal? Any help will be greatly appreciated.

Nothing to be alarmed about we have heard this many times at certain blade openings of the throttle body.

As long as the logs look good your good.

Ted.

tbss1 · 03-31-2018, 12:08 AM

Thanks Ted, it was driving me crazy, i thought I had a vacuum leak, or something. I'm glad I went with you for all my mods. By the way can you give me a ball park number of hp, and tq at the wheels with the mods I have in my sig.

DSMer1 · 03-31-2018, 01:21 AM

620ish to the tire through a auto I'm guessing.
What boost are you seeing with the 3.875 pulley, cam and headers?

JANNETTYRACING · 03-31-2018, 09:12 AM

Quote:

Originally Posted by DSMer1

620ish to the tire through a auto I'm guessing.
What boost are you seeing with the 3.875 pulley, cam and headers?

620-640

tbss1 · 04-01-2018, 10:58 AM

Quote:

Originally Posted by DSMer1

620ish to the tire through a auto I'm guessing.
What boost are you seeing with the 3.875 pulley, cam and headers?

i have a m6. i'm at 7 with the 3,875 pulley, does that seem right, that's what my boost gauge says. would it be safe to change the pulley and up the boost

DSMer1 · 04-01-2018, 11:36 AM

Quote:

Originally Posted by tbss1

i have a m6. i'm at 7 with the 3,875 pulley, does that seem right, that's what my boost gauge says. would it be safe to change the pulley and up the boost

Is the boost gauge utilizing obd2 data, a electronic gauge with its own sender or the old school mechanical gauge with a vacuum line ran to the cabin?

I think that's about right with a cam and headers. Mine would peak about 9 with the 3.75" pulley up top but it made a little less down low.
I just swapped the 3.5" pulley on and I haven't went wot yet because it is cold but it is really easy to get to 8psi mid range with a little over half throttle so I think it will make good boost as long as I don't have belt slip.

Safe is a opinion. There are lots of people running a smaller pulley on a stick motor but it is a risk just like your current setup is. It will probably be fine but no one can say 100% because you can have motor problems with a bone stock car.
I wouldn't think twice about going to a 3.75" pulley though. I have one I'm going to be selling in about two weeks.
Who is tuning the car? That is the biggest factor in the question of safe.

tbss1 · 04-01-2018, 01:30 PM

Quote:

Originally Posted by DSMer1

Is the boost gauge utilizing obd2 data, a electronic gauge with its own sender or the old school mechanical gauge with a vacuum line ran to the cabin?

I think that's about right with a cam and headers. Mine would peak about 9 with the 3.75" pulley up top but it made a little less down low.
I just swapped the 3.5" pulley on and I haven't went wot yet because it is cold but it is really easy to get to 8psi mid range with a little over half throttle so I think it will make good boost as long as I don't have belt slip.

Safe is a opinion. There are lots of people running a smaller pulley on a stick motor but it is a risk just like your current setup is. It will probably be fine but no one can say 100% because you can have motor problems with a bone stock car.
I wouldn't think twice about going to a 3.75" pulley though. I have one I'm going to be selling in about two weeks.
Who is tuning the car? That is the biggest factor in the question of safe.

I have an AEM gauge, electric with sender, and Ted at Jannetty racing is tuning my car. thanks for all the info.

10aSSee D · 04-03-2018, 09:55 AM

Mine does it as well, nothing to worry about

ChibiBlackSheep · 04-03-2018, 10:13 AM

I see that some people are claiming it is normal from the TB at certain times, but have you replaced the TB at all, or removed it? I've heard TB gaskets give off a whistle if they weren't replaced.

03-30-2018, 01:22 AM	#1
tbss1 More then meets the eye! Drives: 2010 Camaro 2SS/RS 426 hp Join Date: Oct 2008 Location: Maui Posts: 584 View My Garage	Whipped whistle? After I installed my whipple supercharger, around 1800-2000 rpm in 2nd gear there is a whistle, it’s not the whine, from the supercharger, but a whistle. Can anyone tell me what it is? I’m thinking a vacuum leak, but the car runs great. That whistle is kind of loud. I have cold air intake, would that cause a whistling sound? Or is it normal? Any help will be greatly appreciated. __________________ 2010 2SS/RS, M6, OBX 7/8" l/t headers, with high flow cats, MBRP full 3" exhaust, Whipple supercharger, 3.875 pulley, ID-1050X 1260CC injectors, JRE rough idle street blower cam kit, ZL1 fp, ZL1 fpcm, ZR1 3 bar map sensor, cold air intake, Richman 4.10 gears, BMR toe rods, trailing arms, f/r sway bars, f/r sway bar end links, BMR end link brackets, full BMR poly bushing including solid rear cradle bushings, BMR frame connectors and tunnel brace, f/r Hurst swaybar bushing brackets, Fluidamper, MGR shifter, and tune by Jannetty Racing. Last edited by tbss1; 03-30-2018 at 02:48 AM. Reason: Spelling

03-31-2018, 12:08 AM	#3
tbss1 More then meets the eye! Drives: 2010 Camaro 2SS/RS 426 hp Join Date: Oct 2008 Location: Maui Posts: 584 View My Garage	Thanks Ted, it was driving me crazy, i thought I had a vacuum leak, or something. I'm glad I went with you for all my mods. By the way can you give me a ball park number of hp, and tq at the wheels with the mods I have in my sig. __________________ 2010 2SS/RS, M6, OBX 7/8" l/t headers, with high flow cats, MBRP full 3" exhaust, Whipple supercharger, 3.875 pulley, ID-1050X 1260CC injectors, JRE rough idle street blower cam kit, ZL1 fp, ZL1 fpcm, ZR1 3 bar map sensor, cold air intake, Richman 4.10 gears, BMR toe rods, trailing arms, f/r sway bars, f/r sway bar end links, BMR end link brackets, full BMR poly bushing including solid rear cradle bushings, BMR frame connectors and tunnel brace, f/r Hurst swaybar bushing brackets, Fluidamper, MGR shifter, and tune by Jannetty Racing.

04-03-2018, 09:55 AM	#9
10aSSee D Drives: Silver 2010 SS Camaro Join Date: Jul 2009 Location: TN Posts: 2,562	Mine does it as well, nothing to worry about __________________ MODS: ADM built 417, 2.9L Whipple with 3.250 pulley, ADM ported and polished LSA heads,ADM stage3 cam,ADM LSA belt drive system,ADM CAI race scoop, ADM dual fuel pumps, ID 850's, BMR full suspension, Gforce 9 inch kit with 3.5 inch driveshaft, Street Slayer twin carbon clutch, Lingenfelter oil seperator. Tuned by built by ADM Performance, 763rwhp,705rwtq

04-03-2018, 10:13 AM	#10
ChibiBlackSheep Drives: 2012 2SS/RS, 1968 SS Join Date: Feb 2012 Location: Southeast, PA Posts: 2,092	I see that some people are claiming it is normal from the TB at certain times, but have you replaced the TB at all, or removed it? I've heard TB gaskets give off a whistle if they weren't replaced. __________________ LS3 Crate Engine Swap \| CSP Custom Cam 232/240 .615/.615 113 +3 \| Stainless Power LT Headers \| Z28 Intake \| Borla S-Type Exhaust \| FTI Triple-Disc Billet 3200 Stall 2012 Camaro 2SS/RS \| 1968 Camaro SS \| 2020 Cadillac CT5 Premium Luxury \| 2021 Spark LS

03-31-2018, 01:21 AM	#4
DSMer1 Drives: 14 and 15 SS's Join Date: Feb 2018 Location: Minneapolis, Minnesota Posts: 387	620ish to the tire through a auto I'm guessing. What boost are you seeing with the 3.875 pulley, cam and headers?