THE FIRST PRODUCTION WHIPPLE INSTALL STARTED - Page 17 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

94guy · 09-01-2010, 04:32 PM

why no boost drop?

GMRULZ · 09-01-2010, 04:40 PM

Quote:

Originally Posted by 94guy

why no boost drop?

Good question, I`m assuming the CAI balanced the exhaust out since it is allowing the blower to pull air in easier and this can increase boost, But I like you would have thought it would have dropped a little more from the headers than the CAI would make up for.

usmcjlp · 09-01-2010, 04:49 PM

Quote:

Originally Posted by GMRULZ

Good question, I`m assuming the CAI balanced the exhaust out since it is allowing the blower to pull air in easier and this can increase boost, But I like you would have thought it would have dropped a little more from the headers than the CAI would make up for.

The way Tim explained to me and hopefully I'm saying this correctly, is that the boost is on the intake side. When we swap the cam and give it longer duration on the intake side, we will see a drop in boost. Tim correct me if I'm wrong.

Codefive · 09-01-2010, 05:25 PM

Boost is a measurment of restriction, nothing else. By adding headers, you allow air to exit more quickly and depending on camshaft, you can see a boost level drop due to the quicker exiting air. There is less restriction on the exhaust side to hold air up as it tries to enter the chamber during overlap. On the other hand, air inlets are a restriction, hence, the reason you pick up power with a CAI. Now you are allowing more air into the supercharger and this will typically raise your boost level so ... by loosening both intake and exhaust airflow, I wouldnt expect to see a difference in boost.

Hope this helps

Caliman93230 · 09-01-2010, 07:20 PM

Quote:

Originally Posted by usmcjlp

For those of you keeping track:

Original Run on Superflo dyno: 516 rwhp/478 rwtq
Dynojet dyno: 560 rwhp/493 rwtq

Headers/CAI on Superflo dyno: 549 rwhp/486 rwtq
Estimate on a dynojet: 590 rwhp/500 rwtq

not that it matters but what type of headers and cold air intake did you use. also did you happen to take some pics

usmcjlp · 09-01-2010, 07:41 PM

Kook's 1 7/8" headers, high flow cats
Rotofab CAI
Stock cat back exhaust

I believe there is video coming.

tandtperformance · 09-01-2010, 08:13 PM

Quote:

Originally Posted by thespymaster

Really good numbers.............

I know video is coming, tell "CLETUS" aka TIM his package is on the way

i got your package

John@APF · 09-01-2010, 08:21 PM

I wouldn't expect to see much of a drop in boost from the CAI and headers. The cam is where its at, get that thing in and lets see what she does

Nice numbers BTW!

tandtperformance · 09-01-2010, 08:21 PM

it was also hot as hell today here is a pics i took driving the car after dyno run
so iam sure it hurt the numbers a little because the first runs it was late in the day like 70s or 80s

usmcjlp · 09-01-2010, 08:30 PM

Quote:

Originally Posted by tandtperformance

Attachment 159965

it was alos hot as hell today here is a pics iook driving the car after dyno run
so iam sure it hurt the numbers a little because the first runs it was late in the day like 70s or 80s

Tim,

You know I'm a stress case when it comes to this car! Now you know you just earned a half dozen phone calls right?

Take care of my baby. I'll try not to get flooded out by Hurricane Earl.

I go on vacation, and I get run out of the Carolinas by Earl. Go figure.

GMRULZ · 09-01-2010, 09:26 PM

Quote:

Originally Posted by usmcjlp

Tim,

You know I'm a stress case when it comes to this car! Now you know you just earned a half dozen phone calls right?

Take care of my baby. I'll try not to get flooded out by Hurricane Earl.

I go on vacation, and I get run out of the Carolinas by Earl. Go figure.

I just left Myrtle beach, SC yesterday. Lucky for me it was the end of vacation. Sorry yours got cut short.:(

usmcjlp · 09-01-2010, 09:34 PM

We're waiting to see what happens tomorrow. We're staying put for now. I've been through a lot of hurricanes. As long as my power stays on we will be here. If power goes out, I'm headed home.

PatrickfromMD · 09-01-2010, 09:56 PM

Looking Great Tim!
Have you sent Whipple your results?
Whats the timeline for the next mod?
We cant wait the see!

*mlee* · 09-01-2010, 09:58 PM

Quote:

Originally Posted by usmcjlp

We're waiting to see what happens tomorrow. We're staying put for now. I've been through a lot of hurricanes. As long as my power stays on we will be here. If power goes out, I'm headed home.

Good Luck with that... HCanes are no fun...

09-01-2010, 05:25 PM	#228
Codefive Drives: 1000HP 2010 SSRS Join Date: Jan 2009 Location: Mt. Airy Maryland Posts: 351	BOOST Boost is a measurment of restriction, nothing else. By adding headers, you allow air to exit more quickly and depending on camshaft, you can see a boost level drop due to the quicker exiting air. There is less restriction on the exhaust side to hold air up as it tries to enter the chamber during overlap. On the other hand, air inlets are a restriction, hence, the reason you pick up power with a CAI. Now you are allowing more air into the supercharger and this will typically raise your boost level so ... by loosening both intake and exhaust airflow, I wouldnt expect to see a difference in boost. Hope this helps

09-01-2010, 08:21 PM	#233
tandtperformance Drives: 2010 Camaro 2011 PACE CAR 2012 ZL1 Join Date: Mar 2009 Location: frederick Posts: 969	temps it was also hot as hell today here is a pics i took driving the car after dyno run so iam sure it hurt the numbers a little because the first runs it was late in the day like 70s or 80s Last edited by tandtperformance; 09-01-2010 at 08:41 PM.

09-01-2010, 09:56 PM	#237
PatrickfromMD Drives: Buick Enclave/Corvette/2010 Camaro Join Date: Aug 2008 Location: Maryland Posts: 421	Looking Great Tim! Have you sent Whipple your results? Whats the timeline for the next mod? We cant wait the see! __________________ *56K miles and still going strong* 2SS/RS IOM ext w/cyber grey stripes, tinted windows, IO int Auto ProTorque prototype Converter, Chuck Mosello of Westchester Corvettes Custom Tune T&T installed SLP Longtubes, Powerflow X Pipe, and Powerflow axle back JL 10W3 in custom side sub box, new door tweeters, Alpine 5ch 600 watt T&T configured ACS front Fascia w/ heritage grill, splitter, dual color halos, , led markers, taillight bezels , all accented in CGM Gary Custom Z vented fenders. Vararam ver 2

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09-01-2010, 04:32 PM	#225
94guy Drives: 99 Camaro; 2010 Camaro 2SS/RS Join Date: Nov 2009 Location: louisiana Posts: 1,985	why no boost drop?

09-01-2010, 07:41 PM	#230
usmcjlp Drives: 2SS/RS LS3 RJT Join Date: Jun 2009 Location: Northern Virginia Posts: 754	Kook's 1 7/8" headers, high flow cats Rotofab CAI Stock cat back exhaust I believe there is video coming.

09-01-2010, 08:21 PM	#232
John@APF Drives: Very Slow... Join Date: Nov 2009 Location: Canton, Ga Posts: 85	I wouldn't expect to see much of a drop in boost from the CAI and headers. The cam is where its at, get that thing in and lets see what she does Nice numbers BTW!

09-01-2010, 09:34 PM	#236
usmcjlp Drives: 2SS/RS LS3 RJT Join Date: Jun 2009 Location: Northern Virginia Posts: 754	We're waiting to see what happens tomorrow. We're staying put for now. I've been through a lot of hurricanes. As long as my power stays on we will be here. If power goes out, I'm headed home.