Cam for 6.2 truck
Thread Starter
On The Tree
Joined: Nov 2018
Posts: 166
Likes: 12
Cam for 6.2 truck I’ve decided to sell my forged LS3 since I’m not going to boost my truck. Pick up a C6 to play with instead.
I am still going to replace the old tired 5.3 in my 2009 crew cab. I picked up an L9H 6.2 that has low compression to rebuild. This will be a stock rebuild with upgraded cam and Long Tubes. Currently has a built 6l80 with ZL1 converter.
I had a TSP L92 Stage 1 216/228 .600 lsa-113 in my forged build but never ran the engine.
I’m looking at something similar but can’t find any one running it. It’s the mast trash can #1. 216/228 .626 lift and 108+2 LSA. I’m looking at a power band around 6k as I plan to shift around 6200 so I’m thinking the lower lsa will keep it to more of a midrange power band and the higher lift will help since I’m running square port heads.
I thought about just throwing a Truck Norris in but would like to take advance of the higher flow from the square ports.
I am still going to replace the old tired 5.3 in my 2009 crew cab. I picked up an L9H 6.2 that has low compression to rebuild. This will be a stock rebuild with upgraded cam and Long Tubes. Currently has a built 6l80 with ZL1 converter.
I had a TSP L92 Stage 1 216/228 .600 lsa-113 in my forged build but never ran the engine.
I’m looking at something similar but can’t find any one running it. It’s the mast trash can #1. 216/228 .626 lift and 108+2 LSA. I’m looking at a power band around 6k as I plan to shift around 6200 so I’m thinking the lower lsa will keep it to more of a midrange power band and the higher lift will help since I’m running square port heads.
I thought about just throwing a Truck Norris in but would like to take advance of the higher flow from the square ports.
TECH Senior Member
Joined: Jun 2016
Posts: 22,298
Likes: 3,619
From: Central Cal.
Summit makes a cam very close to the Mast cam you had- (looking fot it...) -
8701R1- 218/227, .522/.524, 112+2 LSA $299.99
8720R1- 218/227, .600/.600, 112+2 LSA $319.99 (same except for higher lift AND price)
8733R1- 218/230, .550/.550, 105 LSA $319.99 (Big Nasty 5/4 Race cam )
8701R1- 218/227, .522/.524, 112+2 LSA $299.99
8720R1- 218/227, .600/.600, 112+2 LSA $319.99 (same except for higher lift AND price)
8733R1- 218/230, .550/.550, 105 LSA $319.99 (Big Nasty 5/4 Race cam )
Thread Starter
On The Tree
Joined: Nov 2018
Posts: 166
Likes: 12
I’ve seen these but wanting a higher lift. My worry is that a 218 intake will raise the power band and call for a 3000 stall.
really looking for a .600+ lift cam that I can use that 2600 stall with on the 6.2.
I might have to go with a custom cam.
really looking for a .600+ lift cam that I can use that 2600 stall with on the 6.2.
I might have to go with a custom cam.
On The Tree
Joined: Mar 2015
Posts: 153
Likes: 28
Honestly I did the cam motion version of the truck norris cam. I didn't want to go crazy and wanted lots of midrange power for my Bronco. It's only .553 lift though.
If you want high lift call cam motion and get a custom grind.
If you want high lift call cam motion and get a custom grind.
Exactly...it's been proven that .600 lift stuff doesn't gain enough power on these mild stock head builds to justify the increased stress on the valvetrain. Get something with .550 lift the will run LS6 or equivalent beehives and enjoy a quiet valvetrain that will last thousands of miles while only giving up 5whp.
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TECH Addict
Joined: Oct 2002
Posts: 2,795
Likes: 101
From: Mefis
What about the Titan 1 from Cam Motion? Check out this thread for dyno results.
https://ls1tech.com/forums/generatio...arathon-2.html
https://ls1tech.com/forums/generatio...arathon-2.html
I’ve decided to sell my forged LS3 since I’m not going to boost my truck. Pick up a C6 to play with instead.
I am still going to replace the old tired 5.3 in my 2009 crew cab. I picked up an L9H 6.2 that has low compression to rebuild. This will be a stock rebuild with upgraded cam and Long Tubes. Currently has a built 6l80 with ZL1 converter.
I had a TSP L92 Stage 1 216/228 .600 lsa-113 in my forged build but never ran the engine.
I’m looking at something similar but can’t find any one running it. It’s the mast trash can #1. 216/228 .626 lift and 108+2 LSA. I’m looking at a power band around 6k as I plan to shift around 6200 so I’m thinking the lower lsa will keep it to more of a midrange power band and the higher lift will help since I’m running square port heads.
I thought about just throwing a Truck Norris in but would like to take advance of the higher flow from the square ports.
I am still going to replace the old tired 5.3 in my 2009 crew cab. I picked up an L9H 6.2 that has low compression to rebuild. This will be a stock rebuild with upgraded cam and Long Tubes. Currently has a built 6l80 with ZL1 converter.
I had a TSP L92 Stage 1 216/228 .600 lsa-113 in my forged build but never ran the engine.
I’m looking at something similar but can’t find any one running it. It’s the mast trash can #1. 216/228 .626 lift and 108+2 LSA. I’m looking at a power band around 6k as I plan to shift around 6200 so I’m thinking the lower lsa will keep it to more of a midrange power band and the higher lift will help since I’m running square port heads.
I thought about just throwing a Truck Norris in but would like to take advance of the higher flow from the square ports.
Thread Starter
On The Tree
Joined: Nov 2018
Posts: 166
Likes: 12
I put btr.660 springs on my forged ls3 and plan to run the same on here. I’m leaning towards the mast trash can #1 cam.
what is the difference between the 1207x and a .660 aside from taking more lift?
what is the difference between the 1207x and a .660 aside from taking more lift?
TECH Resident
Joined: Jun 2011
Posts: 937
Likes: 472
Mild square port engines respond very well with .600+ lift (although as G Atsma said, once you hit the .600" lift, it doesn't change much). So the Mast cam should be a good fit.
If you plan on doing really heavy towing, the Summit SUM-8728R1 would be more friendly at part throttle, and only give up a few ponies above 5k.
If you plan on doing really heavy towing, the Summit SUM-8728R1 would be more friendly at part throttle, and only give up a few ponies above 5k.
Last edited by 68Formula; Oct 9, 2024 at 07:56 PM.
Thread Starter
On The Tree
Joined: Nov 2018
Posts: 166
Likes: 12
I was looking pretty heavy at the summit cam but I was originally worried that it wasn’t enough intake for the 6.2 and I was worried about the split not having enough exhaust for the square port heads. Having around 10.8 compression should really help with part throttle torque. This is one of those things that any cam in these sizes is probably splitting hair.
The lift is not the reason to run them, the seat pressure abd open pressures are just right and you can shim then for even more if you want. Some guys run them in endurance applications with good success. I like them a lot, would never run a regular .660 spring set again vs those. All Springs lose some rate over time, these give you some room to lose, but still be capable.
TECH Resident
Joined: Jun 2011
Posts: 937
Likes: 472
I was looking pretty heavy at the summit cam but I was originally worried that it wasn’t enough intake for the 6.2 and I was worried about the split not having enough exhaust for the square port heads. Having around 10.8 compression should really help with part throttle torque. This is one of those things that any cam in these sizes is probably splitting hair.
LS "LS 5.7 HO" Camshaft 0.600/0.600 Lift 214/222 Duration- Lobe Sep 111+3
Still better part throttle response, but probably within 5hp of the trash can@ 6200rpm and slightly less taxing on the valve spring assuming they properly designed the lobe profiles.
On The Tree
Joined: Jun 2022
Posts: 111
Likes: 35
From: Las Vegas, NV
Cam motion will gather all the pertinent info on your goals and current setup and provide you with their recommendation. They may take a day or two to respond but if longer give them a call. As others stated, they will also custom grind a cam for you if that fits your needs best.
Cam motion recomendation form...
Cam motion recomendation form...
TECH Regular
Joined: May 2023
Posts: 419
Likes: 140
From: Franconia, PA
Rick crawford has amazing cams for the rectangle port world (g8s, SSs, ls3 vettes or camaros)
Here are a list of his cams. IMO, if you are staying with under 220 duration, the little thumper cams are great. The low lift one (.612 on i take and exhaust) might not make any more sense than the summit 8720 cam (218/227, .600, .600, 112+2) because they are pretty similar and what you gain with lift in the little thumper, you might also gain with the extra few points of duration in the 8720 for a cheaper cost.
However, the High lift little thumper is a beast. If you go up to the drag sportsman, even better at 221/233. The splits get bigger as the cams grow. The dominator is 225/239.
https://www.aceperformance.biz/product/rcr-v2-n-a-cams/
I will likely go with a 225/233 since I have cathedral ports and don't need as drastic a split.
Here are a list of his cams. IMO, if you are staying with under 220 duration, the little thumper cams are great. The low lift one (.612 on i take and exhaust) might not make any more sense than the summit 8720 cam (218/227, .600, .600, 112+2) because they are pretty similar and what you gain with lift in the little thumper, you might also gain with the extra few points of duration in the 8720 for a cheaper cost.
However, the High lift little thumper is a beast. If you go up to the drag sportsman, even better at 221/233. The splits get bigger as the cams grow. The dominator is 225/239.
https://www.aceperformance.biz/product/rcr-v2-n-a-cams/
I will likely go with a 225/233 since I have cathedral ports and don't need as drastic a split.
Thread Starter
On The Tree
Joined: Nov 2018
Posts: 166
Likes: 12
My worry is running that size in a 6k lb truck with only a 2600 stall at most. I did start researching his cams last night. Ran across someone local selling one of his little lunati that can cams but now made my cam motion. 219/223 .625 on a 112. That’s about the highest intake size I would want to go to keep midrange and not having to increase the stall.
other option would be to sell the 823 heads and go with some 243’s and sticking with a .550 lift cam. It would give me more torque under 4k.
other option would be to sell the 823 heads and go with some 243’s and sticking with a .550 lift cam. It would give me more torque under 4k.