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12-12-2009, 11:18 PM
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#1
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Join Date: May 2007
Location: Jim Thorpe PA
Posts: 2,134
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4.11 gear question
What rpm's are you turning in 6th gear at highway cruising speeds with 4.11's and also did you notice a decrease in gas mileage??
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12-12-2009, 11:27 PM
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#2
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Join Date: Nov 2007
Location: Jackson, NJ
Posts: 1,749
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there are ratio calculators out there, try searching, i thought i had them bookmarked but i guess not
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1983 camaro- Scrap
1988 camaro- Also scrap
'05 Silverado- You guessed it, scrap
1988 TRX 250R- Ported w/ high compression on 110 octane- Out 60' your LT1
Jersey Shore Street Car Takeover (JSSCT) Founder
Quote:
Originally Posted by LS1ow
and once i get PHB, what do i ajust it too?
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Quote:
Originally Posted by Jersey Mike
Seven.
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12-12-2009, 11:28 PM
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#3
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,620
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With a 26" tall tire(stock sized) ~2700 RPM.
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1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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12-13-2009, 12:39 AM
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#4
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The Mayor / 2009 Member of the Year / Moderator
Join Date: Jan 2005
Location: Northwest
Posts: 8,869
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Quote:
Originally Posted by NJ Torque
With a 26" tall tire(stock sized) ~2700 RPM.
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He has a manual, not an auto. It tames it to like 2k rpm at 65-70 mph in 6th. Daskinnyguy just put 4.11s in and went from averaging 30 to like 27 mpg highway
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1995 Z28 Convertible A4 13.78 @ 100 (CAI, high flow cat, catback, 160 thermo, hypertech, Strano springs, Koni yellows, sway bars, 3 pt. UMI SFC)
2018 Sea Doo GTX - 3 cylinders and das boooooost
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Originally Posted by BonzoHansen
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 Team FARM 
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12-13-2009, 06:05 AM
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#5
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Join Date: May 2006
Location: Midland Park, NJ
Posts: 1,389
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Quote:
Originally Posted by B4C
What rpm's are you turning in 6th gear at highway cruising speeds with 4.11's and also did you notice a decrease in gas mileage??
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to get the Rpm's go drive on the highway and use simple algebra, you have three known varibles and you want the 4th
Last edited by alamantia; 12-13-2009 at 06:05 AM.
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12-13-2009, 05:36 PM
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#6
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Co-Founder / Site Admin
Join Date: Jul 2004
Location: Ewing, NJ
Posts: 22,476
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With a 25.6" tire, 4.11 gears, 6th gear.....74mph @ 2,000rpm
http://www.f-body.org/gears/
- Justin
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1999 Camry - Beigemobile DD
2002 Suburban - Wife's DD
2004 Grand Cherokee - Not running / Project / Selling?
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12-13-2009, 06:31 PM
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#7
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Join Date: Jul 2009
Location: barnegat nj
Posts: 1,340
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if I remember correctly, mine was @ 2300 rpms @ 75mph with 275/40/17's
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Quote:
Originally Posted by SRGN
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South Jersey Racecraft
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12-13-2009, 07:01 PM
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#8
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Join Date: May 2007
Location: Jim Thorpe PA
Posts: 2,134
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Ok thanks guys. sj sleeper I have the same tire. Moser 12 bolt coming
soon!!! Actually the rear came out of boostednsideways old car!
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12-13-2009, 07:59 PM
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#9
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,620
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Quote:
Originally Posted by B4C
Ok thanks guys. sj sleeper I have the same tire. Moser 12 bolt coming
soon!!! Actually the rear came out of boostednsideways old car!
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__________________
1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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12-13-2009, 08:14 PM
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#10
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Join Date: May 2007
Location: Jim Thorpe PA
Posts: 2,134
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Yeah I pulled up to the guys house and I was like damn look at that busted ass car looks like an effed up jigsaw puzzle, then I remembered it and it saw the dent. He bought it from boostednsideways
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12-13-2009, 08:52 PM
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#11
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,620
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Is that the one in philly?
__________________
1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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12-13-2009, 09:09 PM
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#12
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Join Date: May 2007
Location: Jim Thorpe PA
Posts: 2,134
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Yeah igot the rear off tech just north of the city.
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