Is there a Stage 1+ with cat on 91 oct dyno sheet?

The EZ76 dyno sheets looks impressive, however the car was not running on 91 octane & was using an xede.

 

I thought this was a popular set-up & the dyno data would be coming in hand over fist???

 

No the popular setup is XEDE Stage 1+ with cat on 91 oct.
I only know one guy with this setupand I dont think he has plots yet

 

Yeah I don't think I've seen a stage1+ Xflash dyno chart posted yet. I will be posting mine up when I get my car tuned by Shiv later this month so stay tuned.

 

Ok then, based on an xede/xflash compare, a stock evo plot exist & the Ps looks about the same. So in saying that, I still have only seen 1 XEDE Stage 1+ with cat on 91 oct.

Maybe I have to look harder. although it would be nice if there was a central location, where 1 could post their plots under a particular tune/mod. That way, there is a pool of info to help the consumer decide on who to go.

I dont plan on buying something on here-say or only posting a 91 octane Ps chart with 100 octane in the tank isnt..........something i care to base my decision on. i want to see the plots to back up the claims. If there are no plots to justify their claims, then they can be blowing smoke up people's ****'s in my mind.

Just the facts, no fishing stories please!

oh yeah, its also nice to see the adj cam gear compare with 264i/272e hks cams vs stock gears.

Thats sacrcasm.

 

WOT -

I have a more recent chart of my car (stage 1+ 264/272, high flow cat) with a 91 octane map with actual 91 octane in the tank . This is with the XEDE and XEDEFlash.

The car still made around 280 awhp on the DD dyno but the midrange torque increase (from tuning) was ... considerable (to put it mildly). Even with 100 octane in the tank, the baseline 91 map was still pretty conservative.

If this would be helpful I can scan it in (Shiv you're welcome to do so if you have it handy).

 

That would be awesome EZ76. It would probably be quicker if you scanned & posted the chart based on your speedy reply.

Thanks again.

 

Stage 1+ (264/272), 91 octane, high-flow cat, XEDEFlash:

 

 

Looking at the chart you can see Shiv definitely tuned to wring out a bunch of midrange torque while still maintaining healthy knock resistance in higher RPM's. Peak power comes considerably earlier but then I get to shift right back into the band. Compare e.g. to the first 100 octane tune where he made more power later but went more conservative in the mid-range:

 

EZ76-

Thanks for the post. I noticed a huge shift where peak ps came. Was that just tuning or was there a hardware change between the 2 charts? Same car? Which was the most recent dyno chart?

The 1st chart looks very strong mid range, I LIKE . why was the higher rev stuff tuned out? Was that due to actually running on 91 octane?

Thanks again for the post's.

 

I think some of the missing high-end in the 91 octane retune was because the original "91 octane" tune (second graph, lower) stuttered on my car in that range, and Shiv wanted to err on the side of caution when he actually tuned it with 91 in the tank.

A little clarification - the original "91 octane" tune was achieved by taking the stage 1+ 91 octane baseline map (the one on the web site), then tweaking it a bit here and there based on Shiv's experience with my car, but without actually having 91 octane in the tank (I asked for this - I brought the car in too full of 100 octane for him to do both tunes, but wanted something more aggressive than the baseline 91 map since my car historically was pretty knock-resistant).

 

Thanks for the clarification. Have you found an explanation to why your car "stutterred" in that range?

What plug pn#'s did you have installed @ the time? What did shiv do to eliminate the stutter? reduce IG, PC, change inj time?

Your graph looks strong. Once I get my bits, I will be heading north for a xflash dyno tune from shiv.

 

My best guess is that the timing was a little too aggressive. The plugs were stockers.

I'd have to defer to him but for starters he tuned it on actual 91 octane.