TSP 212/218 in a stock 5.3 51hp gain.
06-22-2016, 04:46 PM
#1
TSP 212/218 in a stock 5.3 51hp gain. We engine dyno'd our new 212/218 .550/.550 112lsa camshaft in a stock 5.3. The motor did have headers, but other than that was completely stock. We say a gain of 51hp over a stock afm camshaft. We also dyno'd it over a stock lm7 cam and the lm7 made about 4hp less than the afm cam, keeping the gain about the same.
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06-26-2016, 07:52 AM
#2
TECH Veteran
Wow now that's awesome!! With the low lift I'll bet it last forever.
How much more horsepower will be had if the heads was ported to like y'all 1.0 or 2.5 program?
How much more horsepower will be had if the heads was ported to like y'all 1.0 or 2.5 program?
06-26-2016, 09:32 AM
#4
LOL @ lowlift
I remember when .550" was considered "hi lift'
I remember when .550" was considered "hi lift'
06-26-2016, 09:58 PM
#6
The gains are from just the cam. The baseline was with the headers.
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06-27-2016, 10:19 AM
#7
TECH Veteran
What valvesprings was used ?
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06-27-2016, 10:38 AM
#8
We have a .660 double spring on the motor, but not because it's needed. We are in the middle of testing all of our shelf cams in a stock 5.3 and it makes it easier to not have to swap springs later on. We regularly use that cam with an LS6 spring.
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06-27-2016, 10:44 AM
#9
TECH Veteran
Thanks!! I'll be watching as different grinds find they way into the motor...
06-27-2016, 10:49 AM
#10
It should pick up another 40hp or so with the stage 2.5 5.3 heads.
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COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
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06-27-2016, 10:54 AM
#11
No problem. We have been a little busy, but I'm hoping we can test some more this week.
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06-27-2016, 10:56 AM
#12
TECH Veteran
07-15-2016, 04:23 PM
#14
Yes sir, the motor came with 799 heads on it.
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POWERBOND - ASP - AND MORE!
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COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
07-24-2016, 11:52 PM
#17
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The "low lift" 212/218 is a really excellent grind.
Wife has one in otherwise stock 5.3 Tahoe. 5400 pounds, cast iron exhaust, stock converter, runs GREAT, she sports around, drives it like a teenager.
slaps 90 in second gear QUICK.
Wife has one in otherwise stock 5.3 Tahoe. 5400 pounds, cast iron exhaust, stock converter, runs GREAT, she sports around, drives it like a teenager.
slaps 90 in second gear QUICK.
07-30-2016, 09:25 AM
#18
TECH Veteran
