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Sierra Denali Cam Swap Help

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Old 06-05-2017, 01:56 PM
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Im considering it, i really just wanted the most suitable cam i could get off the shelf.

What Ive gathered is, keep the intake duration in the low 22X, and intake lift in .570-.590, the exhaust im guessing is recommended to have longer duration? Maybe high 22X - low 23X, what about the exhaust lift?

Would it be ideal for maybe a 113 LSA, for some chop?
Old 06-05-2017, 05:12 PM
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-1 overlap will have a noticeable chop, nothing crazy but you will notice it. You don't just lower the lsa to get chop, changing LSA changes valve events. If you want more overlap that can be factored in by tailoring the whole set of cam specs. However for something that gets daily driven I wouldn't get too crazy with it.

Keep intake and exhaust lift in that mentioned range for longevity. The difference in power between .580 and .610 in a combo like that is minimal IMO.
Old 06-06-2017, 12:31 AM
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If it's a L92, I'd look into keeping the VVT. TSP and GPI offer VVT camshafts that offer the benefits of the valve timing, but make way more power than stock.
Old 06-06-2017, 08:14 AM
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Originally Posted by 03sierraslt
-1 overlap will have a noticeable chop, nothing crazy but you will notice it. You don't just lower the lsa to get chop, changing LSA changes valve events. If you want more overlap that can be factored in by tailoring the whole set of cam specs. However for something that gets daily driven I wouldn't get too crazy with it.

Keep intake and exhaust lift in that mentioned range for longevity. The difference in power between .580 and .610 in a combo like that is minimal IMO.
What all would i need? Would i need to upgrade lifters or pushrods? Injectors, could i get away with stock, and fuel pump?


I thought with the LSA blower swap, there were issues with the water pump or something, meaning doing away with the VVT was convenient, correct me if im wrong.
Old 06-06-2017, 08:29 AM
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Is it flex fuel? No matter what cam you do I suggest springs and pushrods.
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Old 06-06-2017, 08:43 AM
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in similar situation. I have 08 Denali with tvs1900 and flex fuel pump. wanting a low lift cam similar to ls9 but more suitable for truck application.
Old 06-06-2017, 11:51 AM
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Originally Posted by 03sierraslt
Is it flex fuel? No matter what cam you do I suggest springs and pushrods.
No Sir, not a flex fuel truck. Springs Ive got already, and push rods, what length? Im wanting to get rid of the VVT and DOD, am i better off just getting a kit for delete?

Originally Posted by Logan Cormier
in similar situation. I have 08 Denali with tvs1900 and flex fuel pump. wanting a low lift cam similar to ls9 but more suitable for truck application.
I talked to the people at BTR, and Im considering one of their LSA Stage 3 cams, I really wanted something off the shelf for the time being, simply because i dont care for any crazy street numbers. They mentioned that they still recommended it, even though it was going in a heavy pickup, and itll match up with my 2800 stall.
Old 06-06-2017, 12:37 PM
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For your goals itll be a good cam, but not great. It will be a tad soft off the bottom with only a 2800 converter.

I dont understand the hangup on a custom cam... it takes literally 3 days longer to get a custom cam than a shelf cam from BTR.
Old 05-01-2018, 10:37 AM
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Back on this topic, would anyone be able to recommend springs and length of pushrods i should get for my cam?

Went with the BTR Stage 3 PD cam.
Old 05-02-2018, 12:43 AM
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Originally Posted by kaze_v8
Back on this topic, would anyone be able to recommend springs and length of pushrods i should get for my cam?

Went with the BTR Stage 3 PD cam.

id just go with some BTR dual .660 spring kit and pushrods are gonna be in the 7.350-7.450 Range, but honestly man the push rod length needs to be measured when you get the heads back on from the afm/vvt delete. Assuming you’re gonna be deleting the vvt and afm, I would suggest some Ls7 lifters and ls9 Head gaskets. If you don’t wanna measure for pushrod length I would say a set of 7.375 length pushrods would be just fine for your setup if you’re gonna run the Ls7 lifters.



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