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09-24-2017, 06:09 PM
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#1 |
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Registered User
Join Date: Jun 2017
Location: Central illinois
Posts: 143
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Cam swap in my 69 c10
I ask a question a few weeks ago about cam vs mpg. Thanks for all your reply.
I had a itch that I had to scratch. Yesterday I took out my summit k1102 cam, 204-214 @ .50 and 420-440 lift. I replaced it with a comp xe256, 212-218 @.50 447-454 lift. Wow what a differance! I am very happy I did. I will check my m8lage in a few weeks after having fun w8th it. I can feel a differance from take off all the way thru the power band. Also I can not hear any valve train noise that I have read so much about. Well worth it, I'm a happy man! |
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09-24-2017, 08:02 PM
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#2 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,508
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Re: Cam swap in my 69 c10
And if you bump your initial timing up a bit to work with the bigger cam you'll be even happier!
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09-24-2017, 08:45 PM
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#3 | |
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Registered User
Join Date: Jun 2017
Location: Central illinois
Posts: 143
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Re: Cam swap in my 69 c10
Quote:
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09-24-2017, 11:25 PM
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#4 |
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motor exploder
Join Date: Mar 2009
Location: Pittsburgh, PA
Posts: 2,346
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Re: Cam swap in my 69 c10
I shoot for 17-18* initial then go drive it at WOT to see if it pings under full mech. adv. *Most* sbc/bbc with any kind of performance cam usually like 36-39 all in from my experience. Some like even more. It takes a little trial & error to find your engine's sweet spot.
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Adam 1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac 1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's 1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac 2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80 2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac   Use the SEARCH function on this forum - it is your friend!! |
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09-24-2017, 11:38 PM
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#5 |
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Senior Member
 
Join Date: Dec 2011
Location: Moraga, CA
Posts: 799
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Re: Cam swap in my 69 c10
Congrats on taking a bold step! Glad you like it. I'm interested in hearing what happens to your mileage.
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(Very) Slow-Going Build Thread: Stock 1970 Short Step with Stock 1970 LT-1 http://67-72chevytrucks.com/vboard/s...d.php?t=567340 |
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09-25-2017, 07:25 AM
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#6 |
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Registered User
Join Date: Oct 2013
Location: Maine
Posts: 2,331
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Re: Cam swap in my 69 c10
Yup, the Summit 1102 is too small for anyone under 75 years old. It feels exactly like a stocker to me. I'm kicking myself for not going a little bigger.
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76 Chevy K20 76 GMC K15 77 Chevy C10 77 Chevy K10 |
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