When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I just got my raptor shift light in the other day. I made a data log with my efi-live to monitor some other stuff. I had the shift light set to come on at 6700figuring that by the time i shifted, i would be at 6900 (where i want to be) but on the log my max rpm was like 6544. I shifted when the light was on. Could the update on the log be slow. It is very accurate with my rpm and mph on all my other logs. Should i set the light up to 7k. Are they known to be behind like the stock tach since they read off the same wire??. I figured it would be quicker not having to change elec pulse to mechanical motion.
I just got my raptor shift light in the other day. I made a data log with my efi-live to monitor some other stuff. I had the shift light set to come on at 6700figuring that by the time i shifted, i would be at 6900 (where i want to be) but on the log my max rpm was like 6544. I shifted when the light was on. Could the update on the log be slow. It is very accurate with my rpm and mph on all my other logs. Should i set the light up to 7k. Are they known to be behind like the stock tach since they read off the same wire??. I figured it would be quicker not having to change elec pulse to mechanical motion.
I was always under the impression that the shift light was accurate since it's reading electronically, as you say. I thought the lag in the tach was the mechanical aspect of it. I would be interested to hear more input on this.
I suppose if you really need to know, you could always set the shift light at your redline RPM and just do a run not shifting until the light comes on. If you nail the limiter when the light comes on, you know it's accurate; if you nail the limiter before the light comes on, you know it's slow.
But you'd have to be willing to nail the limiter once in a WOT run.
I think my raptor light is pretty accurate. I've got it set to come on at 6800 (figuring by the time I shift it'll be 7000) and my logs consistently show very close to 7k shifts.
I wonder if i logged just the rpm pid, then the update would be faster. I will have to get out this weekend and play with it. I only tried it just the once. The rest of the log i was doing was for n20, and the last guy that tuned it had the box setup to cut the juice at 6k. I need to get that changed. I maybe will lower the limiter in the computer and set the shift light to that and see what it does.
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.