Reducing tire diameter for more torque

[paralegal]

I drive a 98 Honda Accord coupe vtec 4 and the standard tire size is 195/65-15. I switched to 205/50-16 which gave me approximately a 3.4% smaller tire and thus more acceleration and better response.
My question is - can I go to a 205/45-16 which is 6.9% smaller in diameter than stock and get even better response from the engine with no negative effects other than gas milage and a slightly out of whack speedometer?
I do not have anti-lock brakes.

[Cy@tirerack]

205/45-16 is too small to safely carry the weight of your car. The stock tire carries 1168 lbs at 29 psi. At max load at 205/45-16 only carries 1074 lbs. A tire that this under load capacity can fail like the Ford Explorer tires.



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[typeSpeed]

What advantages can I see if I drop from a stock 16'inch wheel to a 15' inch wheel that weighs less? Are the gains (if any) noticeable?
Thank you for your time and help.

The 15’ inch wheel weights 11.5 pounds
The stock 16's weight 16 pounds.

Vin

[Grant@Tirerack]

If you can reduce the weight of either the wheel or tire or both, you will see a slight benefit in handling, braking, and steering response. It will be more dramatic at higher speeds and most folks will only notice a minimal change unless it's a light vehicle. There is a lot of talk about wheel and tire weights on the internet and quite frankly, it has gone way overboard. Even if you factor in the difference of unsprung weight vs. sprung weight, on most cars you would notice more of a difference driving with a half a tank of gas or with a friend in the car than you would dropping a couple pounds off each tire/wheel. If it's on the autocross or road race track, yes, it would make a difference at higher speeds, but for 95.9% of the folks on the road, it is not going to make that big of a change to get all bothered about. If your car is that light and underpowered, you'd be better off driving with a half a tank of gas all the time. At 6.5 lbs. per gallon x 5 gallons, you would have to add quite a bit of weight to each corner to make more of an impact on a daily driver.

[carabuser]

but you lose top speed with smaller tires. instead of changing all these tires, get an exhaust and a small turbo charget