Help!!! :( Pulley Sizes & Belt dont match!

redondoaveb · 06-21-2018, 10:27 PM

Quote:

Originally Posted by cupcakez

Nah I think he was stressing out about the other issues that was going on at the time lol since he is the only one working on the car the entire time

What did you do about your pulley situation?

cupcakez · 06-21-2018, 10:29 PM

Quote:

Originally Posted by redondoaveb

What did you do about your pulley situation?

We ended up taking Topz advice and scrapping the 3.47 (putting it aside and not using it atm) and just sticking with the stock 3.2" that was already on there paired with the 3.0 and the stock idler.

He said it would bring in 13 psi or so, so I'm happy with that.
And he said if I wanted to later, I could change out the idler pulley on the SC side for a 3.0" one, and put a 2.85" with the 3.0" and it would still be okay too.

That route or if I wanted power instantly I could just remove the current filter and put a turbo guard and make 16psi but I would only do that for extreme cases like if I wanted to feel it one time or take it to the drag strip lol

I'm just so happy right now that the car is finally done tomorrow lol

I'm going to upload some pictures of the process as it was being put together, the A2A kit and such.
I will also update the timeline on my thread just so I can document what happened when it happened.

redondoaveb · 06-21-2018, 10:54 PM

Quote:

Originally Posted by cupcakez

We ended up taking Topz advice and scrapping the 3.47 (putting it aside and not using it atm) and just sticking with the stock 3.2" that was already on there paired with the 3.0 and the stock idler.

He said it would bring in 13 psi or so, so I'm happy with that.
And he said if I wanted to later, I could change out the idler pulley on the SC side for a 3.0" one, and put a 2.85" with the 3.0" and it would still be okay too.

That route or if I wanted power instantly I could just remove the current filter and put a turbo guard and make 16psi but I would only do that for extreme cases like if I wanted to feel it one time or take it to the drag strip lol

I'm just so happy right now that the car is finally done tomorrow lol

I'm going to upload some pictures of the process as it was being put together, the A2A kit and such.
I will also update the timeline on my thread just so I can document what happened when it happened.

I'm running the 2.85 and I'm seeing 12.86psi. Looking forward to seeing your results.

cupcakez · 06-21-2018, 10:57 PM

Quote:

Originally Posted by redondoaveb

I'm running the 2.85 and I'm seeing 12.86psi. Looking forward to seeing your results.

Hmm well. I don't know. Maybe I won't hit 13psi then because I thought smaller pulleys bring in more boost? xD

I also have the full 928 SC upgrade with the HSS bearings (x2) and the 928 impeller, an idler pulley on the serpentine side to eliminate any belt slip (thing is extremely tight now).

We'll see! And I'm running on 91 octane.

redondoaveb · 06-21-2018, 11:08 PM

Quote:

Originally Posted by cupcakez

Hmm well. I don't know. Maybe I won't hit 13psi then because I thought smaller pulleys bring in more boost? xD

I also have the full 928 SC upgrade with the HSS bearings (x2) and the 928 impeller, an idler pulley on the serpentine side to eliminate any belt slip (thing is extremely tight now).

We'll see! And I'm running on 91 octane.

Maybe the 928 impeller will get you there. I don't know how it compares to the Si trim I'm running. Running 91 octane you're going to be really limited on how much boost you can run. Seb had to pull a bunch of timing on my 91 tune. I'm not making any more hp on my 91 tune with the 2.85 but I gained 45 more on e85. I'm making 114 more hp on e85 than I am on 91.

TopgunZ · 06-21-2018, 11:09 PM

The fact your running low octane fuel is going to hurt. It will be hard to keep knock down. You can only compensate timing so much when you throw boost at it. Good fuel is a must for good power. I'm guessing by not having your blower spin any faster is a good thing untill you can get some better fuel into the build.

cupcakez · 06-21-2018, 11:11 PM

Quote:

Originally Posted by redondoaveb

Maybe the 928 impeller will get you there. I don't know how it compares to the Si trim I'm running. Running 91 octane you're going to be really limited on how much boost you can run. Seb had to pull a bunch of timing on my 91 tune. I'm not making any more hp on my 91 tune with the 2.85 but I gained 45 more on e85. I'm making 114 more hp on e85 than I am on 91.

Oh. I totally understand that e85 brings in more HP.
I will swap to or at least, try out e85 later because I already have a gauge for it.
I just need to make sure it runs really nicely for a while on 91 octane first.

I do not know how the 928 impeller compares to the Si trim impeller you are running either. Maybe someone can shed some light on this?

I'm just worried about the car getting up and running first after it broke down on Feb 02, 2018 afternoon.

TopgunZ · 06-21-2018, 11:11 PM

Ahhhh..Redondo beat me to it.

cupcakez · 06-21-2018, 11:13 PM

Quote:

Originally Posted by TopgunZ

The fact your running low octane fuel is going to hurt. It will be hard to keep knock down. You can only compensate timing so much when you throw boost at it. Good fuel is a must for good power. I'm guessing by not having your blower spin any faster is a good thing untill you can get some better fuel into the build.

Yeap. I totally understand that it will be not as powerful as it can be with running 91 octane.
However I am just concerned about safety and very nice driveability first as it is my DD.
My tuner and I both understand that e85 will definitely bring more power to the car overall, but we will do 91 octane first and then slowly transition to e85 once I get the CJM S1-SE return system which won't be for a good while and that's fine with me.

And yup, you're right haha, By not having it spin any faster is a good thing so I think the 3.0" SC pulley is a good fit right now

Will lower the size later!

redondoaveb · 06-21-2018, 11:14 PM

Quote:

Originally Posted by cupcakez

Oh. I totally understand that e85 brings in more HP.
I will swap to or at least, try out e85 later because I already have a gauge for it.
I just need to make sure it runs really nicely for a while on 91 octane first.

I do not know how the 928 impeller compares to the Si trim impeller you are running either. Maybe someone can shed some light on this?

I'm just worried about the car getting up and running first after it broke down on Feb 02, 2018 afternoon.

Yeah, it'll be nice to get back on the road, especially with more power. I can tell you one thing about e85. My car just seems to run smoother and crisper on e85 than 91.

cupcakez · 06-21-2018, 11:15 PM

Quote:

Originally Posted by redondoaveb

Yeah, it'll be nice to get back on the road, especially with more power. I can tell you one thing about e85. My car just seems to run smoother and crisper on e85 than 91.

Yeah it's just my tuner is very cautious around e85 since he doesn't have tons of experience with it but that's okay.
I definitely know that e85 is safer in terms of like temperature and stuff, but when it goes bad, it goes BAD lol.

That's the one thing he's concerned about, on top of it being a corrosive fuel lol and corroding parts of the car / engine if any issues come up.
And the detonation as well lol

TopgunZ · 06-21-2018, 11:20 PM

It doesn't corrode anything in the system or engine. It's corrosive to old cars fuel systems but the cars systems now are designed for it. So i wouldn't use that statement anymore.

Detonation? That stuff is virtually impossible to pre-det.

cupcakez · 06-21-2018, 11:23 PM

Quote:

Originally Posted by TopgunZ

It doesn't corrode anything in the system or engine. It's corrosive to old cars fuel systems but the cars systems now are designed for it. So i wouldn't use that statement anymore.

Detonation? That stuff is virtually impossible to pre-det.

Hmmm okay. That is good to know.
Then what are the negative effects of e85 in your opinion if at all, in today's cars like our current 370zs or g37s, etc, any car using e85 xD

Is there any negative effect and I am just curious because I like to learn.. how is e85 virtually impossible to pre-det? o:

TopgunZ · 06-21-2018, 11:28 PM

Downsides...thirsty and less available.
Upsides...everything else but those 2.

Why do you think it makes more power? Cuz it wards off pre Det.

Google latent heat of vaporization ethanol vs gasoline.

redondoaveb · 06-21-2018, 11:29 PM

Aaron, I sent you a pm earlier.

06-21-2018, 11:09 PM	#36 (permalink)
TopgunZ A True Z Fanatic Join Date: Jun 2012 Location: Minneapolis Posts: 2,651 Drives: 06 350Z , 09 370Z MT Rep Power: 6834	The fact your running low octane fuel is going to hurt. It will be hard to keep knock down. You can only compensate timing so much when you throw boost at it. Good fuel is a must for good power. I'm guessing by not having your blower spin any faster is a good thing untill you can get some better fuel into the build. cupcakez likes this. __________________ ROTREX SUPERCHARGER TUNER KITS - $6799/ CUSTOM STILLEN AIR TO AIR KITS -$2100/ 700+ WHP!! WWW.TOPGUNSPEEDWORKS.COM

06-21-2018, 11:11 PM	#38 (permalink)
TopgunZ A True Z Fanatic Join Date: Jun 2012 Location: Minneapolis Posts: 2,651 Drives: 06 350Z , 09 370Z MT Rep Power: 6834	Ahhhh..Redondo beat me to it. cupcakez likes this. __________________ ROTREX SUPERCHARGER TUNER KITS - $6799/ CUSTOM STILLEN AIR TO AIR KITS -$2100/ 700+ WHP!! WWW.TOPGUNSPEEDWORKS.COM

06-21-2018, 11:20 PM	#42 (permalink)
TopgunZ A True Z Fanatic Join Date: Jun 2012 Location: Minneapolis Posts: 2,651 Drives: 06 350Z , 09 370Z MT Rep Power: 6834	It doesn't corrode anything in the system or engine. It's corrosive to old cars fuel systems but the cars systems now are designed for it. So i wouldn't use that statement anymore. Detonation? That stuff is virtually impossible to pre-det. cupcakez likes this. __________________ ROTREX SUPERCHARGER TUNER KITS - $6799/ CUSTOM STILLEN AIR TO AIR KITS -$2100/ 700+ WHP!! WWW.TOPGUNSPEEDWORKS.COM

06-21-2018, 11:28 PM	#44 (permalink)
TopgunZ A True Z Fanatic Join Date: Jun 2012 Location: Minneapolis Posts: 2,651 Drives: 06 350Z , 09 370Z MT Rep Power: 6834	Downsides...thirsty and less available. Upsides...everything else but those 2. Why do you think it makes more power? Cuz it wards off pre Det. Google latent heat of vaporization ethanol vs gasoline. __________________ ROTREX SUPERCHARGER TUNER KITS - $6799/ CUSTOM STILLEN AIR TO AIR KITS -$2100/ 700+ WHP!! WWW.TOPGUNSPEEDWORKS.COM

06-21-2018, 11:29 PM	#45 (permalink)
redondoaveb A True Z Fanatic Join Date: Apr 2017 Location: So. Commiefornia Posts: 6,360 Drives: 2014 Nismo Gunmetal Rep Power: 2684374	Aaron, I sent you a pm earlier. __________________ Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp

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