Summit ls turbo cams?
No, Summit started grinding their own LS cams with their own "specs". There is a guy on Facebook that says he's the engineer in charge of designing these cams. The "stage 2" turbo cam is nearly identical to the LJMS stage 2 cam in spec. I put one of the summit cams in a 6L in my c10 but it's only NA right now. Will get a pair of BW S359's this summer but it's making 375 wheel hp on my dyno right now.
Last edited by kbracing96; Mar 17, 2019 at 10:46 AM.
TECH Apprentice
Joined: Jul 2017
Posts: 312
Likes: 14
From: Stephens city VA
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine
Verdad Gallardo
7 Most Reliable High-Performance Engines GM Has Ever Built
Verdad Gallardo
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Yes the summit cams are ground by comp cams, it was a big secret until they started advertising cut by comp. Im looking at the exact same one.
I talked to a tech guy at summit today trying to find out what lobes are used but either they are not saying or honestly don't know. I personally would like to know before i purchase one.
I talked to a tech guy at summit today trying to find out what lobes are used but either they are not saying or honestly don't know. I personally would like to know before i purchase one.
Launching!
Joined: Jan 2002
Posts: 299
Likes: 41
From: Detroit, Murder City
I just had the stage 1 installed in my C6 LS3 (with an APS kit) right now. It fell right in place as far as location, and was able to start, run and drive immediately on my previous calibration (Virtual VE, MAF, and fuel injector models were within 2% before). I will dial in the part throttle VVE stuff for the cam change next week on the dyno. The plan is to have a sleeper that also passes actual tailpipe emissions testing.
I just had the stage 1 installed in my C6 LS3 (with an APS kit) right now. It fell right in place as far as location, and was able to start, run and drive immediately on my previous calibration (Virtual VE, MAF, and fuel injector models were within 2% before). I will dial in the part throttle VVE stuff for the cam change next week on the dyno. The plan is to have a sleeper that also passes actual tailpipe emissions testing.
Some of the Summit Truck cams look pretty good as well.
Stage 1 Truck High Lift: SUM-8719: 550/550 - 209/217 112+1
Stage 2 Truck: SUM-8701: 523/524 - 218/227 112+2
Stage 3 Truck: SUM-8713: .545/.545 - 222/231 112+5
Stage 1 Truck High Lift: SUM-8719: 550/550 - 209/217 112+1
Stage 2 Truck: SUM-8701: 523/524 - 218/227 112+2
Stage 3 Truck: SUM-8713: .545/.545 - 222/231 112+5
Last edited by topbrent; Mar 8, 2019 at 10:38 PM.
Looks like they pulled it however if you do a search at summit the last cam on the page comes up as a turbo cam stg one but its not and has a different part number. I assume they reverted to a NA cam as their new stg one unless they never had one and we never noticed.
Launching!
Joined: Jan 2002
Posts: 299
Likes: 41
From: Detroit, Murder City
Launching!
Joined: Jan 2002
Posts: 299
Likes: 41
From: Detroit, Murder City
I changed from the stock LS3 camshaft. Like I said, my goal is not max power, but rather emissions compliance (with tailpipe numbers to back it up) with perfect street manners and a modest power bump. I mapped all the part throttle and high load changes on the dyno last week (tire slip, so no WOT curve yet) and can confirm that it idles fine at 700rpm. Throttle response even below 1500rpm is excellent. Power now carries to 6400 where it used to peak at 6000.
I have a stage one turbo ghost cam in mine. idles nice. drives perfect. seems to have more power than the BTR stage 2 NA cam i had. I have an idle video if anyone is interested.