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#21
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Have run them for years with a pair of 750 AFBs.Dont race anymore so really no issue at 3000 RPM max.Tom
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#22
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Quote:
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71 GTO, 463, KRE 295 cfm heads ported by SD Performance, RPM intake, Qjet, Dougs Headers, Comp cams HR 246/252 ...11 to 1 , 3.55 cogs, 3985lbs.....day three- 11.04 at 120mph ....1.53 60', 6.98 1/8 mile |
#23
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The usual,,, can't 60 ft. with street ties and 2.20 first gear muncie and 3.31 rear. 8.70 @ 87 mph with 2.32 60 ft. Try to leave too hard and it blows the tires away and then it's over. It's a dance. I could try some sort of sticky tires but I don't want to break something....just run test and tune playing. If it had a auto I'd be well into the 7's. 60 ft is hurting my mph also.
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007 (cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD 1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.64 @ 87.3 mph on slippery street tires.Bad 2.25 60ft.Owned since 86' |
#24
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I did 2 runs and then took out the DA secondary rods and replaced them with CE and the next 2 runs it picked up a little mph so it liked the rods so the y are staying in. It was humid out so the air wasn't great.
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007 (cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD 1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.64 @ 87.3 mph on slippery street tires.Bad 2.25 60ft.Owned since 86' |
#25
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Yeah a stick with a 2.20 1st gear and 3.31's isn't going to set the world on fire at the stop lights. Really hard to get that to 60 foot.
Still fun though, that's what it's all about |
#26
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Yeah…Stick cars Always MPH higher than an auto car ….
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71 GTO, 463, KRE 295 cfm heads ported by SD Performance, RPM intake, Qjet, Dougs Headers, Comp cams HR 246/252 ...11 to 1 , 3.55 cogs, 3985lbs.....day three- 11.04 at 120mph ....1.53 60', 6.98 1/8 mile |
#27
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The TKX trans would be nice,,,better gearing for take offs and a OD for highway cruising. Right now I turn 3k at 70mph. It's got its original m21 still in it.
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007 (cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD 1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.64 @ 87.3 mph on slippery street tires.Bad 2.25 60ft.Owned since 86' |
#28
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X2 really good mph for the 1/8 but your et is is over a second off.
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Chris D 69 GTO Liberty Blue/dark blue 467, 850 Holley, T2, Edelbrock Dport 310cfm w Ram Air manifolds, HFT 245/251D .561/.594L, T400, 9" w 3.50s 3905lbs 11.59@ 114, 1.57/ 60' |
#29
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Thanks and I believe the current mph is not showing what it could do. Its wasting alot of momentum in that 1st gear. From past cars ive run as comparison if the car had a better 1oo ft from sticky tires and a tkx ,.M20 or a auto trans the mph would be atleast 90 mph.
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007 (cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD 1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.64 @ 87.3 mph on slippery street tires.Bad 2.25 60ft.Owned since 86' |
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