You'll shake your heads in disbelief! (Maybe!)
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Junior Member
Joined: Jun 2024
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You also have to remember that the mid-70s were the low point in horsepower due to the implementation of catalytic converters.
The '76 L-82 was rated at 210 while the '74 L-48 was rated at 195. That's a pretty small difference and I suspect that the torque was probably almost identical on both of them.
The '70 LS-5 was rated at 390 horsepower which dropped to 365 in '71 due to the implementation of no-lead gasoline and the subsequent compression ratio reduction.
The '76 L-82 was rated at 210 while the '74 L-48 was rated at 195. That's a pretty small difference and I suspect that the torque was probably almost identical on both of them.
The '70 LS-5 was rated at 390 horsepower which dropped to 365 in '71 due to the implementation of no-lead gasoline and the subsequent compression ratio reduction.
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Joined: Apr 2006
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From: KC, MO area
Assuming that both engines are factory stock and tuned to factory specs, the other two variables that could affect the outcome of your race would be the transmission and rear end ratios.
Were you ahead of him in the entire race from beginning to end?
Were you ahead of him in the entire race from beginning to end?
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Junior Member
Joined: Jun 2024
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Great question! As a matter of fact we started off neck to neck for about the first 50 feet, then I shot ahead and stayed ahead the whole way! Now that I think about it, it probably all changed when the car shifted out of first. That's when it seemed to leep ahead. I didn't manually shift the auto trans, I just floored it and off we went. I don't know if the other guy did the same thing.
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Joined: Mar 2022
Posts: 978
From: Idaho
There could be other small factors there to like his throttle is not going total WOT,or maybe he does not have enough total timing, or his transmission is set to shifts at a different RPM than yours. Every car has a sweet spot and it can take a while to find it sometimes, and it sounds like yours is there.
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Joined: Jun 2024
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Maybe! My car does seem to run just as it should! Nice, smooth idle, no hesitation under throttle, stays at a nice even temp even in this blazing hot weather we're having, shifts as solid as good be.....guess I should be happy it's just a couple small things I need to do, like a door window and the A/C, and THESE DAMN BUMPER COVERS! (See my latest thread about today's "Welcome Home!" greeting the C3 gave me when I pulled into my driveway!
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