to big of turbo?
A box stock s475 with the 83 1.10 hot side would be cheao, not require you to redo the hot side and make the power you need, but you will still need more than 11 psi for 9s I would think. Think that turbo is like $650 from Jose at forced inductions or Lil John who is a vendor on here.
Thread Starter
Staging Lane
Joined: Jul 2014
Posts: 65
Likes: 0
Its on E85. Thanks for the input so the s475 83 t6 1.10 would work OK then? The car may not be setup the best as its on stock suspension with a open 8.8 rear end hoping to fix those issues soon. if it makes a little less then 850 or goes a little faster then a high 9 I'm OK with that
Sorry if I missed it, but this is a pump gas car correct?
That's a bit small then for 850. A BMW476 would do the job, or a cast S480. An 83mm TW with a 1.10 housing would be ideal, and would spool dramatically better than a 96mm TW in a 1.39.
Honestly though, you wont need 850whp to go 9s unless the car itself is set up VERY poorly.
Jack
That's a bit small then for 850. A BMW476 would do the job, or a cast S480. An 83mm TW with a 1.10 housing would be ideal, and would spool dramatically better than a 96mm TW in a 1.39.
Honestly though, you wont need 850whp to go 9s unless the car itself is set up VERY poorly.
Jack
Thread Starter
Staging Lane
Joined: Jul 2014
Posts: 65
Likes: 0
Thanks man ill get ahold if them and see how much one is.. I not afraid to run more boost it was just the 1st time out in the car so i thought 11 was a safe starting point but i can tell ill want more out of the car
A box stock s475 with the 83 1.10 hot side would be cheao, not require you to redo the hot side and make the power you need, but you will still need more than 11 psi for 9s I would think. Think that turbo is like $650 from Jose at forced inductions or Lil John who is a vendor on here.
I don’t think an 83mm 1.10 is ideal for 850hp on a 5.3. That’s a 74/83 wheel. A 74mm exducer is pretty small for 850hp. You’d create a lot of back pressure too, which wouldn’t be happy with that cam IMO.
I’d guess your 5.3 isn’t making much more than 290 or so at the wheels. So that’s 580ish at 15bs 870ish at 30lbs. That also assumes the turbo was efficient at those levels. A S471 wouldn’t be. And S475 with the small wheel wouldn’t be. Either way you need more than 11lbs to reach your goal.
I think the Apex S475 turbo is a great turbo for a 5.3. It’s a 1.10 T4 with a 77.5mm/87mm wheel. One of the best deals out there right now. It has the ability to run high 9’s pretty easily IMO. They also have optional 1.25 T4 housings and a billet 11 blade 75mm compressor.
http://www.ebay.com/itm/Borg-Warner-S474-90-1-00-1-10-A-R-Twin-Scroll-T4-Turbo-S400-/221572610895?pt=Motors_Car_Truck_Parts_Accessories&hash=item3396c1bb4f&vxp=mtr
Or spray what you have on the line and be done with it.
I’d guess your 5.3 isn’t making much more than 290 or so at the wheels. So that’s 580ish at 15bs 870ish at 30lbs. That also assumes the turbo was efficient at those levels. A S471 wouldn’t be. And S475 with the small wheel wouldn’t be. Either way you need more than 11lbs to reach your goal.
I think the Apex S475 turbo is a great turbo for a 5.3. It’s a 1.10 T4 with a 77.5mm/87mm wheel. One of the best deals out there right now. It has the ability to run high 9’s pretty easily IMO. They also have optional 1.25 T4 housings and a billet 11 blade 75mm compressor.
http://www.ebay.com/itm/Borg-Warner-S474-90-1-00-1-10-A-R-Twin-Scroll-T4-Turbo-S400-/221572610895?pt=Motors_Car_Truck_Parts_Accessories&hash=item3396c1bb4f&vxp=mtr
Or spray what you have on the line and be done with it.
Last edited by Forcefed86; Oct 14, 2014 at 01:49 PM.
Right there with you. I have a 5.3 on e85 with a s480 with the 92mm turbine and 1.10 t6 housing on my junk and like it. First thing get a spool in that rear or a locker or something and try cranking it up. I have hit 23 psi on my car on accident on e85 and the motor took it in stride. But before anything else get the rear taken care of. I actually built my own 8.8 and it was not that bad.
It may not be ideal but would probably get him in the high 9s depending on weight. So would the 87, 92 or 96 turbine since he has a transbrake to help with getting that thing Spooled. I forget who it was but someone made it into the 9s at 4000 Lbs with a 5.3 and the 83 turbine. Not ideal, but would make for quicker spool on the street.
I don’t think an 83mm 1.10 is ideal for 850hp on a 5.3. That’s a 74/83 wheel. A 74mm exducer is pretty small for 850hp. You’d create a lot of back pressure too, which wouldn’t be happy with that cam IMO.
I’d guess your 5.3 isn’t making much more than 290 or so at the wheels. So that’s 580ish at 15bs 870ish at 30lbs. That also assumes the turbo was efficient at those levels. A S471 wouldn’t be. And S475 with the small wheel wouldn’t be. Either way you need more than 11lbs to reach your goal.
I think the Apex S475 blade turbo is a great turbo for a 5.3. It’s a 1.10 T4 with a 77.5mm/87mm wheel. One of the best deals out there right now. It has the ability to run high 9’s pretty easily IMO. They also have optional 1.25 T4 housings and a billet 11 blade 75mm compressor.
Borg Warner S474 90 1 00 1 10 A R Twin Scroll T4 Turbo S400 | eBay
Or spray what you have on the line and be done with it.
I’d guess your 5.3 isn’t making much more than 290 or so at the wheels. So that’s 580ish at 15bs 870ish at 30lbs. That also assumes the turbo was efficient at those levels. A S471 wouldn’t be. And S475 with the small wheel wouldn’t be. Either way you need more than 11lbs to reach your goal.
I think the Apex S475 blade turbo is a great turbo for a 5.3. It’s a 1.10 T4 with a 77.5mm/87mm wheel. One of the best deals out there right now. It has the ability to run high 9’s pretty easily IMO. They also have optional 1.25 T4 housings and a billet 11 blade 75mm compressor.
Borg Warner S474 90 1 00 1 10 A R Twin Scroll T4 Turbo S400 | eBay
Or spray what you have on the line and be done with it.
Launching!
Joined: Oct 2006
Posts: 201
Likes: 0
From: Grand Rapids, MI
Its on E85. Thanks for the input so the s475 83 t6 1.10 would work OK then? The car may not be setup the best as its on stock suspension with a open 8.8 rear end hoping to fix those issues soon. if it makes a little less then 850 or goes a little faster then a high 9 I'm OK with that
Jack
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo Thread Starter
Staging Lane
Joined: Jul 2014
Posts: 65
Likes: 0
Starting to think your right about sparying it. Cuz if i change to a s480 t6 92mm .110 that's about the size of the exhaust i have now just a little smaller ar so i don't think my motor would spool it any better then it spools what i have now
I don’t think an 83mm 1.10 is ideal for 850hp on a 5.3. That’s a 74/83 wheel. A 74mm exducer is pretty small for 850hp. You’d create a lot of back pressure too, which wouldn’t be happy with that cam IMO.
I’d guess your 5.3 isn’t making much more than 290 or so at the wheels. So that’s 580ish at 15bs 870ish at 30lbs. That also assumes the turbo was efficient at those levels. A S471 wouldn’t be. And S475 with the small wheel wouldn’t be. Either way you need more than 11lbs to reach your goal.
I think the Apex S475 blade turbo is a great turbo for a 5.3. It’s a 1.10 T4 with a 77.5mm/87mm wheel. One of the best deals out there right now. It has the ability to run high 9’s pretty easily IMO. They also have optional 1.25 T4 housings and a billet 11 blade 75mm compressor.
Borg Warner S474 90 1 00 1 10 A R Twin Scroll T4 Turbo S400 | eBay
Or spray what you have on the line and be done with it.
I’d guess your 5.3 isn’t making much more than 290 or so at the wheels. So that’s 580ish at 15bs 870ish at 30lbs. That also assumes the turbo was efficient at those levels. A S471 wouldn’t be. And S475 with the small wheel wouldn’t be. Either way you need more than 11lbs to reach your goal.
I think the Apex S475 blade turbo is a great turbo for a 5.3. It’s a 1.10 T4 with a 77.5mm/87mm wheel. One of the best deals out there right now. It has the ability to run high 9’s pretty easily IMO. They also have optional 1.25 T4 housings and a billet 11 blade 75mm compressor.
Borg Warner S474 90 1 00 1 10 A R Twin Scroll T4 Turbo S400 | eBay
Or spray what you have on the line and be done with it.
You might be surprised. Mine on the sloppy trans brake and msd 2 step hits 15 psi at 3800 rpms pretty quickly even with large 2.5" piping and a slight exhaust leak, lol. It is also a divided housing.
It may not be ideal but would probably get him in the high 9s depending on weight. So would the 87, 92 or 96 turbine since he has a transbrake to help with getting that thing Spooled. I forget who it was but someone made it into the 9s at 4000 Lbs with a 5.3 and the 83 turbine. Not ideal, but would make for quicker spool on the street.
With my 5.3 and small cast s475, I stopped making big gains after 23psi or so. Also I saw 2.8:1 back pressure ratios at 25lbs. Picked up 4mph at the same boost going to the apex S476 with the larger 77.5mm wheel and the 1.25 T4 housing. Back pressure dropped to 2.15 ish. This was also with the small 2.5" outlet compressor cover.
I switched over to a super tight converter meant for a 6.0 making big power. Ended up running a spare 4.8 for the rest of the year. The 4.8 wouldn’t come up on boost at all with this converter. Hit it with a 60 shot for 1200rpm or so on the brake and boost was instant. Honestly I think a setup like yours would be ideal for a record breaking SBE single setup.
Last edited by Forcefed86; Oct 14, 2014 at 01:51 PM.
Thread Starter
Staging Lane
Joined: Jul 2014
Posts: 65
Likes: 0
Im looking at a s475 with a 87mm exhaust wheel or a s480 with a 92mm Exhuast wheel both in a t6 with a 1.10 or so ar. I think a lot if the issue with the turbo I have now is its shot it got a lot of play and the exhaust wheel hits the housing so it don't always spin at idle lol not sure if it worth rebuilding or just buying a New turbo
FormerVendor
Joined: Aug 2014
Posts: 473
Likes: 1
Your Hotside is already T6.... you dont have a Bad camshaft...
Put a Cast 80mm S400 on it with a 96mm turbine and a 1.10 A.R housing and Be done with it... it will run its *** off I promise you that... Call me or Jose at FI and we can get you setup. that turbos 999.... and I will give you free shipping as a perk.
Put a Cast 80mm S400 on it with a 96mm turbine and a 1.10 A.R housing and Be done with it... it will run its *** off I promise you that... Call me or Jose at FI and we can get you setup. that turbos 999.... and I will give you free shipping as a perk.
