[GAOLDGUY]

Thanks for the comprehensive answer Jim!

[laynlo15]

Well I don't have a 2650 on this Gen 6 but had one on my 16ss. I have a 2300 with THPSI PORT Injection, RotoFab on E65. I've driven mine about 4000 miles since the install last August just before the Ls Fest. (not going this year). Mine drives like Jims, just not as good of fuel mileage since I'm running E instead of 91 or 93 octane. Jim, glad you had a good time and enjoyed the Maggie when you wanted it or needed it. Keep on truckin

[GAOLDGUY]

Originally Posted by JimGnitecki

The car is completely stock except for the Magnuson kit, and the Nitto 555R2 tires that the Magnuson installation made necessary (with the OEM tires, the ECU engaged traction control any time WOT was applied, and kept the TC on even at th ehighest speeds I have ever taken the car to - about 85 - 90 mph).

Yes, Davenport dynoed the car after the installation, and the rear wheel hp corresponded to 650 crank hp. The 588 hp you apparently saw at the Magnuson website was likely the rwhp for a car equipped with the MANUAL transmission versus the 10-speed automatic. That represents about a 10% manual tranny driveline loss, which is about right for a manual. The 10-speed is slightly less efficient (I think around 560 rwhp so a 14% driveline loss). The automatic transmissions that preceded the 10-speed were far less efficient. The 10-speed is notably quicker in the 1/4 mile than the manual though, because it has more gears, and can shift quicker than the manual.

I cannot remember if they did a baseline run, but most shops do just to make sure they are working on a healthy car.

The tune I got is apparently a "standard" Magnuson tune for the Gen 6 Camaro, and is so conservative that I have zero worries about reliability or durability. That is what I wanted.

Jim G

Jim G

Hi Jim, Please forgive the late response. I may be missing something but the math does not quite track for me. When Magnuson specifies 588 hp, they also specify a 28% increase in power. (455*1.28=582.5=pretty close to 588). Your increase was closer to 43% by my calculations, which is fabulous! That makes the Maggy an even better deal! Maybe they are being ultra conservative on their website. I would love to see Laynlo15 or toohighpsi, both former Magnuson employees, weigh in on this one. I could see differences in dynos, altitiude, temperature, timing, etc. but this is a 62 hp difference. Regardless of all the above, I am happy for your beast of a ride. My bottom line is, they appear to be referencing crank horsepower.

[JimGnitecki]

Originally Posted by GAOLDGUY

Hi Jim, Please forgive the late response. I may be missing something but the math does not quite track for me. When Magnuson specifies 588 hp, they also specify a 28% increase in power. (455*1.28=582.5=pretty close to 588). Your increase was closer to 43% by my calculations, which is fabulous! That makes the Maggy an even better deal! Maybe they are being ultra conservative on their website. I would love to see Laynlo15 or toohighpsi, both former Magnuson employees, weigh in on this one. I could see differences in dynos, altitiude, temperature, timing, etc. but this is a 62 hp difference. Regardless of all the above, I am happy for your beast of a ride. My bottom line is, they appear to be referencing crank horsepower.

You are using mixes of crank hp and rear wheel hp.

The crank hp with the Magnuson kit installed is normally 650 crank hp.

The REAR WHEEL hp with the Magnuson kit installed is normally around the 550 rwhp range.

On a Dynojet dyno being operated properly the rwhp will normally be around 550 rwhp if the receiving vehicle has no other power mods.

Jim G

[GAOLDGUY]

Originally Posted by JimGnitecki

You are using mixes of crank hp and rear wheel hp.

The crank hp with the Magnuson kit installed is normally 650 crank hp.

The REAR WHEEL hp with the Magnuson kit installed is normally around the 550 rwhp range.

On a Dynojet dyno being operated properly the rwhp will normally be around 550 rwhp if the receiving vehicle has no other power mods.

Jim G

Hi Jim, Thanks again for your response and the detailed write-up. The quote below is from their website:

"Take your Camaro to the next level with Magnuson’s TVS2650 Magnum Supercharger System! Built off of our premium Magnum Performance Line, this system will give your engine an incredible 28% boost in horsepower resulting in 588 hp and 600 ft-lbs at the crank!" This is for 2016 to 2023 Camaros with an LT1. Web site link is:

https://magnusonsuperchargers.com/pr...47a94ae8&_ss=r

[JimGnitecki]

Originally Posted by GAOLDGUY

Hi Jim, Thanks again for your response and the detailed write-up. The quote below is from their website:

"Take your Camaro to the next level with Magnuson’s TVS2650 Magnum Supercharger System! Built off of our premium Magnum Performance Line, this system will give your engine an incredible 28% boost in horsepower resulting in 588 hp and 600 ft-lbs at the crank!" This is for 2016 to 2023 Camaros with an LT1. Web site link is:

https://magnusonsuperchargers.com/pr...47a94ae8&_ss=r

That appears to be an error in the website. Davenport Motorsports, who did my Magnuson install, is the Canadian distributor for Magnuson, and Davenport told me my car's results are typical. And, they told me that they used the unmodified Magnuson tune which they received from Magnuson.

In addtion, I have had Magnuson superhcargers on other vehicles in the past. The gain in power from the Magnuson kit alone has NEVER been only in the 20s percent range. It has always been in the 30% to 40% range. And, the vehicle always remains 100% reliable, unlike with some other mods. That's what makes the Magnuson kits so desirable, and when REALISTICALLY cost-compared to other mods ("total area under the power curve over the entire rpm range" and everyday reliability), it's indisputably a bargain and a smart purchase.

Jim G

[GAOLDGUY]

Originally Posted by JimGnitecki

That appears to be an error in the website. Davenport Motorsports, who did my Magnuson install, is the Canadian distributor for Magnuson, and Davenport told me my car's results are typical. And, they told me that they used the unmodified Magnuson tune which they received from Magnuson.

In addtion, I have had Magnuson superhcargers on other vehicles in the past. The gain in power from the Magnuson kit alone has NEVER been only in the 20s percent range. It has always been in the 30% to 40% range. And, the vehicle always remains 100% reliable, unlike with some other mods. That's what makes the Magnuson kits so desirable, and when REALISTICALLY cost-compared to other mods ("total area under the power curve over the entire rpm range" and everyday reliability), it's indisputably a bargain and a smart purchase.

Jim G

Hi Jim, thanks for your response. That's a great testimony. Hopefully, they will offer clarification on their website at some point.