Originally Posted by djp0623
(Post 490800)
I've got a new Begi cast manifold in the garage. A tubular manifold just didn't fall into the build budget. 1000 rpm is very significant gain in spool. I only thought a 300-500 rpm change would be what a person would see going from a good cast manifold to a tubular.
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Originally Posted by hustler
(Post 490869)
I went from the BEGi cast anchor to the ABSURDness.
Originally Posted by hustler
(Post 490772)
tubular manifold? It makes a huge difference. I'm talking almost 1000rpm improvement on target boost threshold and output.
If I could gain even 500rpm of spool with the tubular alone, 1. I'd be surprised, pleasantly, and 2. I'd lick the hot pipes right in the dyno room. I expect my shit to be off the hook, spool-wise, anyway with the new build up, but 1000 just from the tubey would be well beyond expectation. Werd? |
Originally Posted by webby459
(Post 490890)
Eh, I was hoping you could qualify THIS vis running a 2560r on tubular:
I hit target, which in the last pull was ~12psi, at just less than 3500rpm in fourth gear (1:1), FM log, 2560R, 1.6 stock as fuck. Spool killers: mbc taking ref just past turbo instead of ebc taking ref after ic, tables with SHITTY tune in boost building cells, 2.5" corksport exhaust with a ~1.5" baffle at the end. I will have one more opportunity this year to do spoolz, this time without the baffle, before and god willing I put in "the motor." I expect to get a couple hundred rpm by removing the baffle. If I could gain even 500rpm of spool with the tubular alone, 1. I'd be surprised, pleasantly, and 2. I'd lick the hot pipes right in the dyno room. I expect my shit to be off the hook, spool-wise, anyway with the new build up, but 1000 just from the tubey would be well beyond expectation. Werd? |
I got a chinacharger T3/T4 .50/.63 on a 1.8 dohc.
So far so good, know many friends running similar egay setups. |
1 Attachment(s)
Originally Posted by djp0623
(Post 490936)
Can you post a pic of where your ebc ref is connected?
:brain: has multiple posts recommending taking boost controller ref past ic for better spool. It will be this way when I complete my build, then ebc later next year. |
Speaking of taking MBC reference after the IC. I've read on here that location can actually damage the wastegate actuator due to the quick transient pressure changes. But if this isn't true, then that should net much more consistent boost control.
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Bryce >> after IC, before throttle body.
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Originally Posted by Bryce
(Post 491181)
Speaking of taking MBC reference after the IC. I've read on here that location can actually damage the wastegate actuator due to the quick transient pressure changes. But if this isn't true, then that should net much more consistent boost control.
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I'm buying a turbo tomorrow. There is now a Drift 2871 Which one do I choose? I need to decide by 11 am tomorrow 2-4-10
Alright people. Last time before I buy...... This: TITLE TB28 Turbo Charger APPLICATION Universal, Fits all cars and trucks, Modification maybe required DESCRIPTION Designed for quick spool application Perfect Upgrade for GT25 Silvia S13 SR20det Turbocharger with difference downpipe flange 2.5" Inlet Diameter Journal Bearing - Wet Float Type Internal wastegate set at Approx 10 Psi t25 Flange Oil Lub, Oil/Water Cool Ideal for smaller displacement engines making up to 350hp Compressor Wheel 0.60 A/R Cold Side Ind: 42.50 mm Exd: 60 mm Trim: 50 Turbiner Wheel .49 A/R Garrett 4 Bolt T25 Flange Ind: 52.90 mm Exd: 45.47 mm Turbo Comes With Its Own Serial Numbe, WELL BALANCED. OR TITLE GT28 Turbo Charger (The blue hose and fitting are not includes) APPLICATION Universal, Fits all cars and trucks, Modification maybe required DESCRIPTION Perfect Upgrade for GT25/GT28 3" Inlet Diameter Journal Bearing - Wet Float Type Internal wastegate set at Max 25 Psi t25 Flange Oil Lub, Oil/Water Cool Ideal for smaller displacement engines making up to 420hp Compressor Wheel 0.60 A/R Cold Side Ind: 54.00 mm Exd: 70 mm Trim: 60 Turbiner Wheel .64 A/R Garrett 4 Bolt T25 Flange Ind: 52.90 mm Exd: 45.47 mm With Installation Kit as shown in Pictures Turbo Comes With Its Own Serial Numbe, WELL BALANCED. I promise I won't ask this again |
Originally Posted by webby459
(Post 491153)
:brain: has multiple posts recommending taking boost controller ref past ic for better spool. It will be this way when I complete my build, then ebc later next year. yep, think about it. There's more boost pre-IC than post. When your use the compressor outlet as a boost source for the MBC, that extra boost will open the wastegate faster, if you source it post-IC it takes that much longer for it to start to crack open. |
Originally Posted by djp0623
(Post 517727)
This:
TITLE TB28 Turbo Charger Compressor Wheel 0.60 A/R Cold Side Ind: 42.50 mm Exd: 60 mm Trim: 50 OR TITLE GT28 Turbo Charger (The blue hose and fitting are not includes) Compressor Wheel 0.60 A/R Cold Side Ind: 54.00 mm Exd: 70 mm Trim: 60 |
Originally Posted by djp0623
(Post 517727)
This:
TITLE TB28 Turbo Charger Compressor Wheel 0.60 A/R Cold Side Ind: 42.50 mm Exd: 60 mm Trim: 50 OR TITLE GT28 Turbo Charger (The blue hose and fitting are not includes) Compressor Wheel 0.60 A/R Cold Side Ind: 54.00 mm Exd: 70 mm Trim: 60 |
Originally Posted by Braineack
(Post 517829)
Do you want a "2560" or "2570"? The first will be good for 275-300rwhp, the second closer to 400.
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yeah i remember, they spec it as a 60mm wheel but he got a 71mm wheel. with the motor you're building you can get away with a "2871" easy.
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Great, then I will get their "2870" and I'll see what I end up getting. The excited anticipation has begun.
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