12552520 vortec? - S-10 Forum
 
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post #1 of 3 Old 07-14-2009, 08:31 PM Thread Starter
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12552520 vortec?

what is the info on these heads i cant really find anything i am mainly wondering the cc thanks


98 4.3 ext cab auto transgo shift kit 1, 266 cam, 1.6 full rr, 2.02 and 1.6 valves, pcm"shit"tuneforless, .030, 10 cr flat top forged pistons, balance shaft removed, msfi upgrade, accel distributor, msd wires, lt hookers and true duels to a delta 40
1/8 is 9.7@ 74mph 1/4 miles 2.3 60ft 15.3@ 88, and 14.4@ 98 w/ a 75shot99 sonoma scfs w/ 99 350, stock, fi, painted black 1st gen zq8s 2.3 9.5@ 76 14.6@ 95
http://www.youtube.com/watch?v=9Ovb1Pb36_I
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post #2 of 3 Old 07-14-2009, 08:57 PM
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Re: 12552520 vortec?

http://www.fullsizechevy.com/forums/...tec-heads.html

this thread states that they're 58cc combustion chamber, with 1.84/1.5 valves. It says that there were 2 different heads offered on that 305 and the other style was 64cc.

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post #3 of 3 Old 07-16-2009, 05:58 PM Thread Starter
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Re: 12552520 vortec?

ok thanks i was searchin alot of places and finding nothing
one thing i did find was sayin it was a 350 97+ so i was scared for a sec
i bought these fresh out of the machine shop ready to bolt on for 150 w/ valve covers for my 305

98 4.3 ext cab auto transgo shift kit 1, 266 cam, 1.6 full rr, 2.02 and 1.6 valves, pcm"shit"tuneforless, .030, 10 cr flat top forged pistons, balance shaft removed, msfi upgrade, accel distributor, msd wires, lt hookers and true duels to a delta 40
1/8 is 9.7@ 74mph 1/4 miles 2.3 60ft 15.3@ 88, and 14.4@ 98 w/ a 75shot99 sonoma scfs w/ 99 350, stock, fi, painted black 1st gen zq8s 2.3 9.5@ 76 14.6@ 95
http://www.youtube.com/watch?v=9Ovb1Pb36_I
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