376/480 HotCam

[STALKER]

Originally Posted by Let's get it SS

Cool. Thanks for the input. Yeah the procharger/supercharger won't be until beginning of next year. I'm definitely going to get a CAI. Good to know that about the OEM Z28 CAI. Will definitely post when I get it.

No problem!

[gunchamp]

Originally Posted by weSS1LEy

One thing though, I believe the hot cam is not a good supercharger cam due to its tight lsa. It’s 110 isn’t it? I would just rock it n/a as it is.

Oops it’s 112. Do prochargers work well with tight lsa’s?

Its not perfect, but it will work. I had a procharged LT1, older LT1, with a 112 lsa cam and it did well. was a 10 sec car on 12#s of boost and minor head work.

[Let's get it SS]

Here's what the car made on the dyno. A penny for your thoughts?

[InFiD3ViL]

Probably right on the money for dyno results. Drive train loss on the 6L80 is a bitch, but I would be very happy with that. You got over 40rwhp compared to a full bolt on, non-cammed A6 SS with a low lift, low valve train stress cam.

Most importantly, how does it feel? Is there any way you could make a video of the idle? I really would like to hear it. I am seriously considering going with a baby VVT cam similarly spec'd to the GM Hot Cam (<.600) when I swap mine, as I want to keep the valve train punishment as low as possible and maybe still be able to run beehives..

[Let's get it SS]

Originally Posted by InFiD3ViL

Probably right on the money for dyno results. Drive train loss on the 6L80 is a bitch, but I would be very happy with that. You got over 40rwhp compared to a full bolt on, non-cammed A6 SS with a low lift, low valve train stress cam.

Most importantly, how does it feel? Is there any way you could make a video of the idle? I really would like to hear it. I am seriously considering going with a baby VVT cam similarly spec'd to the GM Hot Cam (<.600) when I swap mine, as I want to keep the valve train punishment as low as possible and maybe still be able to run beehives..

Attached is a short clip of me staring her up. The sound is amazing as she turns heads everywhere we go. It's definitely a huge improvement from stock in driving it. I'm still not done building her though. The only thing was the krazy surges in the beginning. I thought I was going to have to purchase new brakes after only a few days lol. From a complete stop, take my foot off the break and just let it coast on its own, it's gotten up to 30 mph. The tune has definitely calmed down all of that surging, thankfully. Hopefully the video will load so you can hear it. Music to my ears.

[Let's get it SS]

https://youtu.be/ls6kfZgLFgU

Hope that you all enjoy the sound. Me personally? I love it. Huge difference.

[InFiD3ViL]

Originally Posted by Let's get it SS

https://youtu.be/ls6kfZgLFgU

Hope that you all enjoy the sound. Me personally? I love it. Huge difference.

Yea that does sound great. It reminds me of the LS9 cam, but a bit meaner.

[Let's get it SS]

Originally Posted by InFiD3ViL

Yea that does sound great. It reminds me of the LS9 cam, but a bit meaner.

Thank you. I was surprised at the extra power it gave.

[IKILLEDSUPERMAN_ZL1]

Sounds great and looks great!

[InFiD3ViL]

How does the low end torque feel compared to your L99? On pulls, where does the new cam feel strongest?

I guess what I am asking is if it feels like a balanced cam compared to the VVT L99 cam, with a broad torque curve. Or does it feel a bit less responsive on the low end with a strong top end.

[PepeLePew]

Originally Posted by Let's get it SS

https://youtu.be/ls6kfZgLFgU

Hope that you all enjoy the sound. Me personally? I love it. Huge difference.

I am a fan of the hot cam too! Sounds great on video and I bet it is even better in person. I had a 5.3LS in an 65 c-10 that I put the ASA cam in. Same lift at .525 but a little more intake and exhaust duration and a 110 LSA. I ran LS6 behives with no problem at all. I think the ASA cam is the same one in the LS376/525 package if I remember correctly.

Have you thought about putting a converter in it? Something a little looser in the 3600-3800 range would do wonders for driveability at stop lights. You'll also get it in the power band a lot quicker off launch.

InFiD3ViL - I'm like you on the lower lift options. I went with the TSP "Bald Eagle" cam. Its a stage 2 cam basically but with .600 lift. I know they make some AFM/VVT cam grinds with only .500 lift to remain AFM friendly, but off the shelf it looks like the lowest left VVT cams are still .600. And once you get that high, they always recommend the .660 dual valve springs. Have you found any VVT cams out there for the L99 with less than .600 lift yet? Someone has to make one right? Either way though, if you found something in the .585 range, I'd still probably go with the .660 dual springs as insurance.

[InFiD3ViL]

Originally Posted by PepeLePew

I am a fan of the hot cam too! Sounds great on video and I bet it is even better in person. I had a 5.3LS in an 65 c-10 that I put the ASA cam in. Same lift at .525 but a little more intake and exhaust duration and a 110 LSA. I ran LS6 behives with no problem at all. I think the ASA cam is the same one in the LS376/525 package if I remember correctly.

Have you thought about putting a converter in it? Something a little looser in the 3600-3800 range would do wonders for driveability at stop lights. You'll also get it in the power band a lot quicker off launch.

InFiD3ViL - I'm like you on the lower lift options. I went with the TSP "Bald Eagle" cam. Its a stage 2 cam basically but with .600 lift. I know they make some AFM/VVT cam grinds with only .500 lift to remain AFM friendly, but off the shelf it looks like the lowest left VVT cams are still .600. And once you get that high, they always recommend the .660 dual valve springs. Have you found any VVT cams out there for the L99 with less than .600 lift yet? Someone has to make one right? Either way though, if you found something in the .585 range, I'd still probably go with the .660 dual springs as insurance.

No, I haven't found anything off the shelf in that range yet. There was a member here about a year ago that had a custom VVT cam ground similarly to the LS3 stock cam specs. He really wasn't looking for any power increase, just wanted to delete AFM but keep VVT without going crazy on the power and valve train.

Very likely I will go with the GPI VVT SS1. If this car wasn't my daily I would go all out, but I really want to keep driveability totally in check.

[PepeLePew]

Originally Posted by InFiD3ViL

No, I haven't found anything off the shelf in that range yet. There was a member here about a year ago that had a custom VVT cam ground similarly to the LS3 stock cam specs. He really wasn't looking for any power increase, just wanted to delete AFM but keep VVT without going crazy on the power and valve train.

Very likely I will go with the GPI VVT SS1. If this car wasn't my daily I would go all out, but I really want to keep driveability totally in check.

GPI makes some great stuff you wouldn't be disappointed. You might even be able to keep the stock converter with the SS1. Just keep in mind that all of the GPI VVT cams are very high lift.. like .637. You'd definitely have to go with the dual .660 springs or better. If that's too much lift for you and the other guys with .600 lift cams are too big, you'll probably have to have a custom grind to be able to run behives. I'd be curious to know how much a custom grind would cost. It might be more cost effective and give you better results to go off the shelf with a kit that comes with new springs, retainers, valve seals, pushrods, lifters, etc. anyway. The GPI kit with everything in it including trunion upgrade is only about $1300 and it is a proven package that takes care of a lot of the things you should probably address while you have the engine torn down anyway. You'll be hard pressed to find a better deal for all of this goodness from another kit... I think the TSP kits are almost the same price but you don't get the trunion upgrade.

I'm trying to be a bad influence and help you spend your money... you should definitely do it.

[Let's get it SS]

Originally Posted by InFiD3ViL

How does the low end torque feel compared to your L99? On pulls, where does the new cam feel strongest?

I guess what I am asking is if it feels like a balanced cam compared to the VVT L99 cam, with a broad torque curve. Or does it feel a bit less responsive on the low end with a strong top end.

To me the cam does feel balanced. Definitely a major difference in torque compared to the L99. On pulls (I've only done 2 thus far), I feel that mid range is where it excels. I'm definitely going to have a stall installed.