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#1
12-27-2013, 11:32 AM
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Cliff maybe some semantics apples to apples vs back to back.I think you are missing a big point-many combinations folks run are not optimized as they have some bias they want-existing parts, stock appearing, more street than strip. Then we have theoretical issues/benefits that may or not play out in the real world. Harold Brookshire one of the best cam designers would probably like less exhaust duration than most of the guys use-and most haven't even tried something different. Most of the Pontiac world doesn't even try different ratio rockers on different side-yet look at the SS guys and EMC Pontiac motors-more on the intake. Different convertor and gears in your own car you have mentioned would pick it up-yet you like it more a driver. How many guys tried to copy Jim Hand's 64 heads on a pump gas 455,Wolverine cam, stock intake, Q jet and barely were in the 13s?
Again back to rear world track back to back testing-the adapter and a square nore on a factory intake picked up 0.25 seconds and 3-4 mph getting the car in the 11s for the first time. Yes the air flow wasn't ideal, but it pciked the car up. The next greatest pick up was a really loose big end slippage 5000 stall convertor and fresh tranny that picked up 0.75 seconds getting the car in the high 10s. An inefficient convertor msot wopuld say but the car picked up and 60 ft'd 1.51s on a 9" slick. Theory vs real world. This motor Harry tested came with a mismatched intake that did OK but a different intake picked it up. It did show a bigger intake does not hurt performance too.
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune [email protected] 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs 1964 Corvette Coupe 327 4 speed |
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#2
12-27-2013, 11:57 AM
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The only thing bugging me with this whole silly thread is the implication that it was a straight up comparison of two different intakes. The title of the thread states it as such. It's pretty clear to most here that that is not the case.
Because of the other variables at work it is impossible to state that one intake is better than another- even though one may be.
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1966 GTO 1969 Lemans Convertible- F.A.S.T. legal family cruiser. 12.59 on G70-14 Polyglas tires. 1.78 60' 1969 Bonneville Safari- cross country family cruiser. . 1979 Trans Am 400, 4-speed, 4 wheel disc. View from the drivers seat racing down Atco Raceway- http://www.youtube.com/watch?v=GhYDMdOEC7A Ride along in the other lane-http://www.youtube.com/watch?v=mIzgpLtF_uw |
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#3
12-27-2013, 12:02 PM
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Quote:
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1969 GTO 4spd. Antique Gold/black, gold int. 1969 GTO RAIII 4spd. Verdoro Green/black, black int. 1969 GTO 4spd. Crystal Turquoise, black int. 1970 GTO 4spd VOE Pepper Green, green int. 1967 LeMans 428 Auto. Blue, black int. |
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