91LXStang2727

Do 373 gears make the miles go up quicker?

I3atR!ce

only if you doing change the speedo gear to match the 373 gears

primetime5.0

yes it effects the mileage

samseed101

I bought a speedo gear to make up for it. I think it was 23 teeth.. but gotta dbl check.

Boss_Hotrod

I put a 21 tooth into ours and its pretty close. Sometimes when were really send the car up in the rpms the speedo will jump to 80 for a second then fall back down. It did that a little while ago I cant remember if it still does it now or not (who looks at the speedo anyway).