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Summit Racing® Pro LS Vortec Truck Swap Camshafts SUM-8712
Stage 1 Drop-in LS Truck Swap Cam, 209/217 112 +1, .500/.500 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2, LS1 LS2 LS6 LS7 LS9 LS3 LH6 LQ4 LQ9, Each
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Order this item and get free delivery and handling on your entire order! Offer excludes truck freight and oversize fees. Valid on orders shipped in the contiguous United States.
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Brand: Summit Racing
Manufacturer's Part Number: SUM-8712
Part Type: Camshafts
Product Line: Summit Racing® Pro LS Vortec Truck Swap Camshafts
Summit Racing Part Number:
SUM-8712
UPC: 190861218437
Cam Style: Hydraulic roller tappet
Basic Operating RPM Range: 1,800-6,000
Intake Duration at 050 inch Lift: 209
Exhaust Duration at 050 inch Lift: 217
Duration at 050 inch Lift: 209 int./217 exh.
Advertised Intake Duration: 262
Advertised Exhaust Duration: 269
Advertised Duration: 262 int./269 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.500 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.500 in.
Valve Lift with Factory Rocker Arm Ratio: 0.500 int./0.500 exh.
Lobe Separation (degrees): 112
Camshaft Gear Attachment: 3-bolt
Computer-Controlled Compatible: Yes
Valve Springs Required: No
Camshaft Manufacturers Description: The Summit Stage 1 Drop-in Vortec truck engine swap cam is great for a daily driver and produces incredible torque right off idle. Idle speed can be tuned for smooth idle or a noticeable lope. No springs required. It uses a state-of-the-art lobe designs to pull strongly past 6000 rpm even with stock springs.
Quantity: Sold individually.
Notes: Not for AFM or VVT equipped engines. Summit Pro LS cams are designed for engines swapped into pre-pollution controlled vehicles. They are not for use in registered emissions-controlled vehicles operated on public highways and roads. 3-bolt camshaft, computer tuning required.
In-Store Pickup: Choose In-store pick-up (OH, NV, GA, TX) on our web site.
The Summit Racing Pro LS Truck Swap cams are affordable and give you maximum punch where the torque converter hits. The cam lobes are designed for excellent valve train longevity. Both drop-in or high-lift versions are available. They come in stages allowing you to quickly determine which gives you the idle and efficiency you are looking for. Idle response and the midrange torque from theses camshafts is unmatched. Starting with American bearing steel, they are precision machined on a Landis 3LB CNC grinder with CBN diamond wheels for an extremely good finish quality. The lobes have been designed for stability at high rpm with the spring pressures found in commonly available, quality spring packs.
What lifters should I buy with this. Stock 2001 silverado 5.3 lm7
Asked by JOHN on October 28, 2018
Thank you for your question. The Summit 8712 camshaft would take standard LS style lifters like the Chevrolet Performance 12499225 or the Summit Racing SUM-HT214.
Summit Racing Answer - October 29, 2018
Would I need to have my ECU tuned for a 04 6.0? Would I be ok running a stock flash? This truck will be used for towing and no racing.
Asked by ZACHARIAH on November 27, 2018
It should be tuned for the cam, you may have some negative affects on drivability without a tune. However it will probably not run lean in PE mode without since factory settings are on the rich side and this is a smaller cam.
RYAN from MN answered on November 28, 2018
Looking for a cam to go in my LM7 with 5 speed manual transmission. Going to go with dual plane intake, and MSD box to run carb. What CFM carb should I use With stock (862)heads,springs and push rods, should I get this stage 2 or would the Sum-8701 stage 1 cam be a better choice?
Asked by TORY on November 25, 2018
Thank you for your question. The Summit 8712 or the 8701 camshafts will both use a 650-700 cfm carburetor without too much trouble.
Summit Racing Answer - November 26, 2018
What affect should I expect this cam to have on gas milage and fuel efficiency in an Avalanche? Should I expect better, worse or about the same as stock?
Asked by ANDREW on August 29, 2018
Thank you for your question. The SUM-8712 will have a negligible affect on your fuel mileage. One of the testers attributed this to his truck not needing to downshift as much to maintain acceleration up grades.
Summit Racing Answer - September 04, 2018
1 Customer Reviews for Summit Racing SUM-8712 - Summit Racing® Pro LS Vortec Truck Swap Camshafts
Perfect cam for 2009 Silverado
Summit Racing Verified Purchase
2 of 2 found this review helpful.
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Reviewer: MO from MO
Date: September 17, 2018
Some parts are not legal for use in California or other states with similar laws / regulations
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