C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Jun 26, 2003 | 03:50 PM
  #1  
BB wowbagger's Avatar
BB wowbagger
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Melting Slicks
 
Joined: Feb 2002
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From: Sodertalje/Sweden
Default Engine options...

Since i blew my 454 ,i`m now building a new one.. :smash:
I`ve got some diffrent head options to choose.
The block is a 454 two bolt .030 bore,Cast crank,3/8 rods with ARP bolts,Mech Roller Comp cams 288R.Edelbrock RPM intake and a 850 DP and Hooker sidemounts.Main and head bolts are ARP.
I`ve got a set of 781 heads with 2.19/188 valves and a set of 702 heads with 2.19/188...
Any ideas on what heads to use? :cheers: :cheers:
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Old Jun 26, 2003 | 03:59 PM
  #2  
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Fevre
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From: Living in the Hartland
Default Re: Engine options... (BB wowbagger)

Flow numbers on the stock 702 heads:



No listing for the 781.

http://www.chevyhiperformance.com/techarticles/41598/


[Modified by Fevre, 3:00 PM 6/26/2003]
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Old Jun 26, 2003 | 06:24 PM
  #3  
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Flareside
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From: Roxbury NJ
Default Re: Engine options... (Fevre)

Flow numbers on the stock 702 heads:



No listing for the 781.

http://www.chevyhiperformance.com/techarticles/41598/


[Modified by Fevre, 3:00 PM 6/26/2003]
I wouldn't use those flow numbers. 354 cfm from a 253cc port at .600 lift? I wish! :lolg: Looks like a typo.

The 049 is basically the same as the 781.


[Modified by Flareside, 6:25 PM 6/26/2003]
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