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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

MPG with Huge Cams

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Old Apr 25, 2006 | 07:25 PM
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Question MPG with Huge Cams
What milerage are you geting with these huse cams like cc306 ect.....????
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Old Apr 25, 2006 | 07:57 PM
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it all depends on how good the tuning is
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Old Apr 25, 2006 | 08:00 PM
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Old Apr 25, 2006 | 08:20 PM
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i get about 150 to 200 miles to the tank... But the big stall and 4.11's dont help at all.....
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Old Apr 25, 2006 | 09:05 PM
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Sorry to get off subject but hey 1SLO6, 428rwhp through a stalled auto is very impressive! Mind giving me a little info on the heads and cam setup?
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Old Apr 25, 2006 | 09:39 PM
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IM almost positive he is running some Llyod Elliot stuff
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Old Apr 25, 2006 | 10:39 PM
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not good.
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Old Apr 25, 2006 | 11:10 PM
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Originally Posted by Ari G
What milerage are you geting with these huse cams like cc306 ect.....????
I was getting ~14-16 city and 22-24hwy
GTP Stage 2 heads
236/242 .568/.568 110
M6 and 4.10's
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Old Apr 25, 2006 | 11:32 PM
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Going with :

Duration: 234 240
Lift: 544 537
Lobe separation:112, with 108 intake centerline

Powerrange from 3000-7000rpm
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Old Apr 26, 2006 | 06:47 AM
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I got 22 on the hwy with a fairly large cam (bigger than those mentioned here so far) and 4.33's.
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Old Apr 26, 2006 | 08:56 AM
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I got about 14-15 with mine before I pulled it out and went with a smaller cam.
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Old Apr 26, 2006 | 02:42 PM
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Originally Posted by Chopstix
I was getting ~14-16 city and 22-24hwy
GTP Stage 2 heads
236/242 .568/.568 110
M6 and 4.10's
Who did your tune??
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Old Apr 26, 2006 | 05:41 PM
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About 11 mpg with 270/279 @.050 .690/.710 113lsa solid roller
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Old Apr 26, 2006 | 05:45 PM
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Im getting 12 mpg with the gm847 with a m6 & 4.10's shifting at 3-4k cruising at 2k without using 6th gear
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