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#1
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If the motor isn't to tired it is ALL in the rear and putting an M20 trans in.
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#2
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It has a M20... the motor is running out of fuel on the top, plus the points are bouncing at 7200...
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~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos |
#3
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It may ET better at 6500-6700 rpm's. Are you running at least a 4:56? I am running 72's and 78's in the 780. Mine feels the strongest at about 6700 with a 4:10 rear and an M21. Mine needs at least a 4:56 to feel like anything. Its a dog!!
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#4
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I like blocking the rear PV on our 780s...it seems a lot more consistent. You sure that thing is running out of fuel?
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#5
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The plugs are awfully white... Didn't have any larger jets with us last night...
Only have a 4:10... How much worse would 4:56's be driving on the street? 4:88-5:13's would really pick it up. OBTW- 2.00 60 foot times...
__________________
~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos |
#6
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Hey Rob when you block the PV how many jet sizes do you need to go up?
__________________
~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos |
#7
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We have 4.56s in the Sub, and they ain't a whole lot worse...unless you're gonna be doing extended freeway duty? I think a jump of 6-8 is the rule of thumb, but I'd have to check my notebook to see where ours fell...our L72 is probably jetted a *lot* smaller than most of you guys would guess...
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