Unexpected benefit of Solo Hi Flow cats - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

B Mccue · 09-28-2011, 02:02 PM

The shifting is better now, not the shifter, its the feel of the car when you engage the clutch after shifting. It used to have a jolting engine brake effect on engagement before, especially 1st to 2nd about 80% of the time. It now engages smooth as glass in every gear without trying to find a sweet spot in rpm's.

Anyone else experience this?

Rage · 09-28-2011, 02:09 PM

I know very well that "engine brake" feel... My car is getting an overhaul at the moment... including going cat less... so I would love for this to be an added bonus.

Madness11 · 09-28-2011, 02:49 PM

I shifted better too. I think it is because you can hear the engine better and you get a better feel for timing your shifting properly. I have a different exhaust though. With the stock exhaust it was too quiet.

B Mccue · 09-28-2011, 03:11 PM

Quote:

Originally Posted by Madness11

I shifted better too. I think it is because you can hear the engine better and you get a better feel for timing your shifting properly. I have a different exhaust though. With the stock exhaust it was too quiet.

I don't think its me, its the car. It doesn't matter what rpm I shift at anymore, you let off the clutch now and barely feel it engage.

B Mccue · 09-29-2011, 08:31 AM

Quote:

Originally Posted by jpizzle007

I did not, and I don't see how removing the cats would impact shifting being smoother or clutch engagement.

Rock on though.

I don't see how either, maybe coincidence, but I've got 17,000 miles on my car and it has always done that until the cat swap. Does your car jolt or otherwise engage rough in the first few gears?

cipriank · 09-29-2011, 09:14 PM

I believe it has something to do with the air/ fuel ratio

RiCorvette · 09-29-2011, 09:23 PM

No, I haven't noticed; I'm still trying to find the sweet(est) spot.

I 'thought' I got a little better feeling after installing the ADM Race Scoop, though.

I've modified my shifting to get through the gears quicker, while trying to keep it
under 2K RPM, but I'm still getting 2-3 notchy-ness.

Better, but I'm still trying to find 'Best'

The Stig · 09-29-2011, 09:25 PM

Quote:

Originally Posted by cipriank

I believe it has something to do with the air/ fuel ratio

B Mccue · 09-29-2011, 09:48 PM

Quote:

Originally Posted by Ricamaro

No, I haven't noticed; I'm still trying to find the sweet(est) spot.

I 'thought' I got a little better feeling after installing the ADM Race Scoop, though.

I've modified my shifting to get through the gears quicker, while trying to keep it
under 2K RPM, but I'm still getting 2-3 notchy-ness.

Better, but I'm still trying to find 'Best'

my shifter still feels a little notchy sometimes, that hasn't changed. Its the clutch engagement that feels different. Smoother, no engine brake effect. I'm 3 days into the cat install, and it still feels awesome. I shift at 2500 to 3k on 1 to 2 and 2 to 3. Even friends that I let drive it before commented on how rough it was when you let the clutch out. After 17,500 miles in 9 months, I was never able to find that consistent "sweet spot". Sometimes it was at 2500, sometimes 3200. Now it's not an issue. I'd love an explanation, it has to be something to do with the rpm's when you let off the gas.

IndeedSS1 · 09-30-2011, 07:50 AM

I've had mine on and off a couple of times and after 24k miles I've noticed no difference as far as shifting.

09-28-2011, 02:02 PM	#1
B Mccue Drives: 2011 1ss ls3 Join Date: Apr 2011 Location: Houston tx Posts: 163 View My Garage	Unexpected benefit of Solo Hi Flow cats The shifting is better now, not the shifter, its the feel of the car when you engage the clutch after shifting. It used to have a jolting engine brake effect on engagement before, especially 1st to 2nd about 80% of the time. It now engages smooth as glass in every gear without trying to find a sweet spot in rpm's. Anyone else experience this? __________________ RX catchcan, Vmax tb, Sullivan Racing billet pedals, Magnaflow 4" bullets. Solo High Flow Cats, Dyno tuned by ARD Houston, 390 RWHP 394 RWTQ,

09-28-2011, 02:09 PM	#2
Rage TRI-COUNTY CAMARO... FTW! Drives: 2010 Camaro 2SS M6 Cyber Grey Join Date: May 2010 Location: South Florida Posts: 1,200 View My Garage	I know very well that "engine brake" feel... My car is getting an overhaul at the moment... including going cat less... so I would love for this to be an added bonus. __________________ CAI inc. cold air intake, LG G6x3 cam, Patriot Gold Extreme Dual springs, Titanium retainers and locks, LG SuperPro 1 7/8 Long Tube headers with full 3" exhaust, DynoMax VT mufflers, SLP 4" tips, Moroso catch can, Race Ready electronic exhaust cut outs, Full painted Razzi body kit, Headlight Armor Smoke taillight and marker blackouts, T-Rex aluminum upper and lower grille, Polished aluminum front and rear bowties. Professionally installed and Dyno Tuned by HorsePower Sales, Pompano Beach FL.

09-29-2011, 09:14 PM	#6
cipriank Drives: 2010 camaro 2ss Join Date: Feb 2011 Location: boca raton, fl Posts: 247	I believe it has something to do with the air/ fuel ratio __________________ 2010 2ss L99 Mods: ADM race intake, ADM scoop w/ washer bottle, SLP long tube headers, SLP 25% UDP, SLP Loud Mouth 2 exhaust, Vmax TB, BER intake manifold,3.45 gears, MSD wires, SLP 160 t-stat, SLP Springs, EFI live tune by Redline Motorsports

09-30-2011, 07:50 AM	#10
IndeedSS1 Drives: 2010 Camaro SS LS3 Join Date: Sep 2010 Location: Eastern MO Posts: 3,786	I've had mine on and off a couple of times and after 24k miles I've noticed no difference as far as shifting. __________________ She is only memory now.

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09-28-2011, 02:49 PM	#3
Madness11 086YN Drives: Black 2SS/RS Demon of Madness Join Date: Aug 2011 Location: Conroe, Texas Posts: 454	I shifted better too. I think it is because you can hear the engine better and you get a better feel for timing your shifting properly. I have a different exhaust though. With the stock exhaust it was too quiet.

09-29-2011, 09:23 PM	#7
RiCorvette Drives: 2017 Corvette Grand Sport 3LT Join Date: Oct 2010 Location: Center of the known Universe Posts: 863	No, I haven't noticed; I'm still trying to find the sweet(est) spot. I 'thought' I got a little better feeling after installing the ADM Race Scoop, though. I've modified my shifting to get through the gears quicker, while trying to keep it under 2K RPM, but I'm still getting 2-3 notchy-ness. Better, but I'm still trying to find 'Best'