Think it's about time to spin some rollers (Aaron's dyno)

p8ntman442 · Post by **p8ntman442** » Fri Oct 17, 2008 3:36 pm

or just keep talking about tuning it on the internet.

Fastback86 · Post by **Fastback86** » Fri Oct 17, 2008 6:58 pm

Tires balanced recently?

whipped · Post by **whipped** » Fri Oct 17, 2008 8:36 pm

Aaron wrote:I don't even know how to do that.

http://www.ehow.com/video_2327639_measu ... nment.html

I don't know what it should be on 88's but report back what you find. I think you should see ~1/8" toe in (tires, if left to roll freely down the road without a vehicle attached, would eventually hit each other)

Aaron · Post by **Aaron** » Fri Oct 17, 2008 11:45 pm

p8ntman442 wrote:or just keep talking about tuning it on the internet.

Would still be doing more to my car than you. I'm suprrised you can put gas in your car.

Fastback86 wrote:Tires balanced recently?

Yes, all 4 very recently.

whipped wrote: http://www.ehow.com/video_2327639_measu ... nment.html

I don't know what it should be on 88's but report back what you find. I think you should see ~1/8" toe in (tires, if left to roll freely down the road without a vehicle attached, would eventually hit each other)

I'll check that when I can.

darkhorizon · Post by **darkhorizon** » Sat Oct 18, 2008 10:03 am

88 rears are CRAZY if you let off when the rear links are loose... its crazyyyyy you fly all over the road.

Atilla the Fun · Post by **Atilla the Fun** » Sat Oct 18, 2008 10:32 am

I can see lifting causing some detectable unloading and corresponding behavior change.

Aaron · Post by **Aaron** » Sat Oct 18, 2008 11:27 am

darkhorizon wrote:88 rears are CRAZY if you let off when the rear links are loose... its crazyyyyy you fly all over the road.

I agree, it's so weird how much those affect the car's handling. But mine are tight, with locktite, and double nuts. The car isn't nearly as bad as it was when an end link went loose.

crzyone · Post by **crzyone** » Sat Oct 18, 2008 5:40 pm

Why was this thread created? Something about a dyno?

Aaron · Post by **Aaron** » Sat Oct 18, 2008 5:44 pm

Yah. I was hoping to get some predictions. I plan on getting down there next week.

Aaron · Post by **Aaron** » Tue Oct 21, 2008 1:19 pm

I made an appointment for Friday 9am. $85 gets me an hour and runs. It will be RPM vs hp and torque, with wideband and a MAP reference on the sheet. He can also add in any 0-5 volt signal, but I don't really need any of those.

So, time to go do some tests before Friday. I want to get the tune dialed in more (I'm really having problems getting it above 11.5:1, I made a drastic change in the MAF adjustment and it had very little affect on the A:F. I also want to map out where 14psi on my MBC is.

The Dark Side of Will · Tue Oct 21, 2008 2:09 pm

Aaron wrote:
darkhorizon wrote:88 rears are CRAZY if you let off when the rear links are loose... its crazyyyyy you fly all over the road.
I agree, it's so weird how much those affect the car's handling. But mine are tight, with locktite, and double nuts. The car isn't nearly as bad as it was when an end link went loose.

Steven suggested this (so you don't have an excuse to ignore it because I said so) but urethane cold flows AND bushing sleeves can crush under the torque load. CHECK THE PLAY AT THAT INTERFACE.

Shaun41178(2) · Post by **Shaun41178(2)** » Tue Oct 21, 2008 2:38 pm

Just don't leak a ton of oil on their dyno. They won't be happy.

Aaron · Post by **Aaron** » Tue Oct 21, 2008 3:25 pm

The Dark Side of Will wrote: Steven suggested this (so you don't have an excuse to ignore it because I said so) but urethane cold flows AND bushing sleeves can crush under the torque load. CHECK THE PLAY AT THAT INTERFACE.

How many times now have I said they're tight? They are tight.

Shaun41178(2) wrote:Just don't leak a ton of oil on their dyno. They won't be happy.

I could imagine they wouldn't be. But it doesn't leak much at all, and doesn't leak when running.

The Dark Side of Will · Tue Oct 21, 2008 3:35 pm

Aaron wrote:
The Dark Side of Will wrote: Steven suggested this (so you don't have an excuse to ignore it because I said so) but urethane cold flows AND bushing sleeves can crush under the torque load. CHECK THE PLAY AT THAT INTERFACE.
How many times now have I said they're tight? They are tight.

They WERE tight when you loctited them.

The alternator and battery in my 6000 were new when I put them in. How could they possibly be giving me problems?

Because of the nature of urethane bushings and center sleeves of any bushings THEY MIGHT NOT STILL BE TIGHT.

DID YOU CHECK THEM?

How many times do we have to ask before you understand what we're asking?

Aaron · Post by **Aaron** » Tue Oct 21, 2008 3:53 pm

The Dark Side of Will wrote: They WERE tight when you loctited them.

No Will, they ARE tight.

DID YOU CHECK THEM?

How many times do we have to ask before you understand what we're asking?

I know what you're asking, I've just already answered it a few times.

The Dark Side of Will · Tue Oct 21, 2008 4:25 pm

Aaron wrote: I know what you're asking, I've just already answered it a few times.

Obviously not, or the question wouldn't be continually asked.

How do you know they're tight? 9-3 shake test? Break them loose then re-loctite & re-torque?

CincinnatiFiero · Post by **CincinnatiFiero** » Tue Oct 21, 2008 8:01 pm

My bet is 340whp. Then you'll tune and add boost, and 400. Then you'll go home and rethink some shit and then you'll make 450 next time. I think you can do 450 someday but you've got some bugs.

Kohburn · Post by **Kohburn** » Wed Oct 22, 2008 7:46 am

dyno threads aren't for predictions - those happen constantly during a build -

dyno threads are for dyno results - I hate you for wasting my time clicking the link and looking for a dyno sheet.

:la:

Shaun41178(2) · Post by **Shaun41178(2)** » Thu Oct 23, 2008 12:01 pm

tomorrows the day.

Aaron · Post by **Aaron** » Thu Oct 23, 2008 12:20 pm

Tomorrow is the day. I'm going, whether I get the tune dialed in or not. As it is, it will hold a pretty stable 11-11.5, but in 4th past 5500, it likes to go down even more. I got my laptop fixed, that will give me 4-5 hours of battery life, which is good. I also have a friend coming down, and he'll be a big help. I'm off to go borrow a video camera :thumbleft: