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Showing results 1 to 15 of 15
Search took 0.00 seconds. Search: Posts Made By: SorryTires
Forum: Tracking / Autocross / HPDE / Drifting 08-10-2018, 10:09 PM
Replies: 24
Views: 9,438
Posted By SorryTires
I hadnt considered the aero drag or rolling...

I hadnt considered the aero drag or rolling resistance. I suppose if you add up all these effects you might get something measurable.

Anyone have datalogs from the track with different tires they...
Forum: Tracking / Autocross / HPDE / Drifting 08-10-2018, 03:09 PM
Replies: 24
Views: 9,438
Posted By SorryTires
I ran the numbers myself and for 3 lb heavier a...

I ran the numbers myself and for 3 lb heavier a corner it equated to a 0.03 m/s acceleration difference at 100 km/h or roughly 1.3 whp equivalent loss. I can post the spreadsheet if anybody is...
Forum: Tracking / Autocross / HPDE / Drifting 08-10-2018, 01:44 PM
Replies: 24
Views: 9,438
Posted By SorryTires
Lap time vs tire size

The general consensus on the forum seems to be that a 225 tire tends to give the best laptimes as a rule of thumb for relatively stock cars. Most people seem to think its because any larger is too...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-05-2018, 05:52 PM
Replies: 5
Views: 2,302
Posted By SorryTires
This is one thing that always bothers me, no one...

This is one thing that always bothers me, no one ever sais if their talking about things in roll or bump and you get pretty different numbers depending which you look at. So would you theoretically...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-04-2018, 11:31 PM
Replies: 5
Views: 2,302
Posted By SorryTires
What can you learn from a damping ratio plot?

Hopefully some of the suspension gurus can help me out here. I made a plot of front end damping ratio vs shock velocity for the stock set up and some aftermarket coilovers hoping to make a comparison...
Forum: Engine, Exhaust, Transmission 05-17-2018, 10:13 AM
Replies: 21
Views: 5,851
Posted By SorryTires
Stock front pipe

Stock front pipe
Forum: Engine, Exhaust, Transmission 05-16-2018, 11:29 PM
Replies: 21
Views: 5,851
Posted By SorryTires
PSA for those running loud exhaust

Since its spring time i decided to take the silencers out of my exhaust and let my car clear its throat. However after about 10 minutes of driving my ears started to hurt. Since i have access to a...
Forum: Software Tuning 06-16-2017, 04:32 PM
Replies: 8
Views: 3,261
Posted By SorryTires
Yes I'm using ecutek. So there's potentially a...

Yes I'm using ecutek. So there's potentially a bunch of knock that isn't shown as a knock signal because it happens between the log points? That significantly reduces the usefulness of logging knock...
Forum: Software Tuning 06-16-2017, 12:09 PM
Replies: 8
Views: 3,261
Posted By SorryTires
That explains why there is usually no knock...

That explains why there is usually no knock correction but I still don't get why there would be knock correction when it doesn't detect knock
Forum: Software Tuning 06-15-2017, 10:18 PM
Replies: 8
Views: 3,261
Posted By SorryTires
Knocking without knock correction and knock correction without knocking

So I've been getting quite a bit of low rpm/load knock like 20+ knock occurrences in a five minute drive. Almost all below 3000rpm and below 0.4g/rev load. Very few of these knock occurrences cause...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 05-10-2017, 02:36 PM
Replies: 4,584
Views: 1,471,243
Posted By SorryTires
My local track is quite bumpy and there some...

My local track is quite bumpy and there some bumps mid corner that currently upset the car so im looking to improve the cars ability to soak up bumps. Currently running tein s-tech springs which are...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 03-29-2017, 01:40 PM
Replies: 9
Views: 1,722
Posted By SorryTires
Canadabrakes.com caries hawk products and have by...

Canadabrakes.com caries hawk products and have by far the lowest prices I've been able to find, plus free shipping in Canada. Just ordered some dtc-60's from there
Forum: Forced Induction 03-15-2017, 06:32 PM
Replies: 6,049
Views: 2,426,474
Posted By SorryTires
It's from 10-23-2015, 12:21 PM, page 3 of the...

It's from 10-23-2015, 12:21 PM, page 3 of the drift office e-force thread here: http://www.ft86club.com/forums/showthread.php?t=95730&page=3
Sorry I haven't figured out how to quote other threads.
Forum: Forced Induction 03-15-2017, 06:09 PM
Replies: 6,049
Views: 2,426,474
Posted By SorryTires
Could you be a little more specific? You...

Could you be a little more specific? You mentioned in another thread that you were confident drift office could tune a car not to drop off like that so does that mean it's because of the tune?

I...
Forum: Forced Induction 03-14-2017, 06:37 PM
Replies: 6,049
Views: 2,426,474
Posted By SorryTires
Why do so many of the hp curves drop off so...

Why do so many of the hp curves drop off so steeply after like 6500-7000? Even the carb dyno delicious has on their website stops at 7000. I'm really considering one of these kits with the carb tune...
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