2G Fuel Pump Upgrade?

[prosser9981]

I'm sure there are a few threads regarding this, but may be mod specific.
Or if someone thinks I can benefit by reading a thread I may have missed, feel free to guide me with the link

SO:
2G AWD is parked for the winter so I am doing some upgrades for the spring.

Upgrades:
- Injen intake
- K&N Filter
- Ported 14b
- Hard intercooler piping
- FP exhaust manifold
- Greddy Type S
(AS of now, still running the BCS at stock boost with the restrictor removed)
With all this added airflow I figured I may need a better flowing pump.
I had in mind the Walbro 190lph, but I was wondering if it would overrun the regulator.
What does the stock pump run in comparison to the 190?
I think the stock injectors should suit me just fine, but let me know if anyone feels any different.

Thx

 

[Bud92gsx]

The 190 is an upgrade to the stock pump and should not overun the stock fpr..

The stock fuel pump rewired is also a good idea, and something to think about..

Ported 14g with 16g comp wheel..So you want a 16g..Which one?

You should add a tune as well..Look for ceddy mods on the 98-99 flashable ecu.

You also mise well scrap the type s for a 1g bov..Save yourself some money for go fast parts and now that cool bov sound

 

[prosser9981]

The 190 is an upgrade to the stock pump and should not overun the stock fpr..

The stock fuel pump rewired is also a good idea, and something to think about..

Ported 14g with 16g comp wheel..So you want a 16g..Which one?

You should add a tune as well..Look for ceddy mods on the 98-99 flashable ecu.

You also mise well scrap the type s for a 1g bov..Save yourself some money for go fast parts and now that cool bov sound

These are parts already purchased either used or new. Money isn't an issue.
I got the turbo from a buddy; its a 14b hot side with a 16g CHRA, and 16g cold side, for some added air flow.
Tuning is in the near future for sure.

 

[Bud92gsx]

So its a 16g with a small 6cm turbine housing..Your going backwards there buddy..You may need to research our turbos a tad more..

The 14b came with the 6cm turbing housing..The 16g a 7cm..

Whats the plan for exhaust? Ported manifold, ported o2, 3 inch dp and catback?

I can save you about 60 bux..Get the intake pipe from ebay. Sometimes a pipe, IS a pipe..

 

[prosser9981]

So its a 16g with a small 6cm turbine housing..Your going backwards there buddy..You may need to research our turbos a tad more..

The 14b came with the 6cm turbing housing..The 16g a 7cm..

Whats the plan for exhaust? Ported manifold, ported o2, 3 inch dp and catback?

I can save you about 60 bux..Get the intake pipe from ebay. Sometimes a pipe, IS a pipe..

hmm good point on the turbo, I will have to get a measurement on the size of the turbine housing to be sure.

As for exhaust, tubular ss manifold, ported o2, and factory exhaust(for now)

I also have a true 14b, maybe I should run that instead?

 

[Bud92gsx]

I actually would start with the 14b, unless your really wanting the 16g..But it makes no snese to use the 6cm turbine housing on the 16g..I personally have the 7cm on my 14b.

You will definatly love the 14b 16 times as much as that crappy t25..So at least your heads in the right place..

I would throw a couple hundred into a bigger downpipe and catback..Or wait a bit for that it's your car, but you will eventually probably do just ^ That..

 

[prosser9981]

I think I will start with the 14b, just so its not a huge jump from the T25(that way I'll see another upgrade in speed in the future )
I will most likely be doing exhaust in the spring, just need to hear a few, don't like the ricer look or sound at all.

Huge difference from the T25 to 14b? I have read some things saying its night and day, and some people saying its just another upgrade...

 

[Bud92gsx]

The t25 @ 20 psi flows less than the 14b @ 14 psi..Its just another upgrade to some..I'm loving the 14b personally..

Umm I think the t25 with a rewired pump on stock injectors can yeild what 250 ish hp with the right mods and tune..

I think youll love the 14b all summer..And next winter you will probably go 16g, or stick with the 14b..Either way good choice..

I went from 13g, to small 16g, to ebay e3, back to the 14b..And I'm still really loving the 14b..But i'm a fanboy of fast spooling turbos..

The exhaust I can help you not sound like a ricer..DONT CUT OFF THE STOCK MUFFLER AND PUT A FART CAN ON IT.End of story..

 

[prosser9981]

The t25 @ 20 psi flows less than the 14b @ 14 psi..Its just another upgrade to some..I'm loving the 14b personally..

Umm I think the t25 with a rewired pump on stock injectors can yeild what 250 ish hp with the right mods and tune..

I think youll love the 14b all summer..And next winter you will probably go 16g, or stick with the 14b..Either way good choice..

I went from 13g, to small 16g, to ebay e3, back to the 14b..And I'm still really loving the 14b..But i'm a fanboy of fast spooling turbos..

The exhaust I can help you not sound like a ricer..DONT CUT OFF THE STOCK MUFFLER AND PUT A FART CAN ON IT.End of story..

I think I'll go ahead and order the Walbro 190lph and get that installed.
You've got me convinced to stick with the 14b, that was my first plan anyways but this other one came along. Easiest way to tell 6cm-7cm would be to have them side by side? or are there some characteristics that jump out
I just spend 130 on an OEM muffler last year so I would HATE to just throw it away, I think il have it on the new system when it comes .

 

[Bud92gsx]

Vibrant makes a stock looking muffler for our cars..But the muffler itself is pricey..But the stock look, and it aint stock..

Ive never had one side by side.But the nlet on the 7cm will be larger than the 6 cm..Commonly we port the 2g manifold, port match it to the 7cm housing, port the WG hole to help with creep..

But question is, should you rewire the 190, and being rewired will that overrun the stock fpr..That I do not know, but I should..

Lawrence is creeping in this thread..So bring it on buddy..

 

[gofer]

With all this added airflow I figured I may need a better flowing pump.
I had in mind the Walbro 190lph, but I was wondering if it would overrun the regulator.
What does the stock pump run in comparison to the 190?
I think the stock injectors should suit me just fine, but let me know if anyone feels any different.

Thx

No, the 190 won't overrun a properly working regulator.

The 2g Denso 195130-2760 flows 156lph @ 43psi seeing a 14v signal, which means rewiring the fuel pump, and a Walbro 190 GSS-250 flows 208lph @ 43psi.

Stock 450's can support 32lbs/min from a turbo if base pressure is set to 43.5psi. The 14b you plan on running can flow up to 28lbs/min (405cfm) which still isn't enough to overrun your stock injectors.

References where all this can be found.
http://www.dsmtuners.com/forums/bolt-tech/197576-does-walbro-190-require-fpr.html
Fuel Pump Flow Rates
http://www.dsmtuners.com/forums/articles-tuning-ecu/366003-injector-fuel-pump-supported-airflow.html

 

[prosser9981]

No, the 190 won't overrun a properly working regulator.

The 2g Denso 195130-2760 flows 156lph @ 43psi seeing a 14v signal, which means rewiring the fuel pump, and a Walbro 190 GSS-250 flows 208lph @ 43psi.

Stock 450's can support 32lbs/min from a turbo if base pressure is set to 43.5psi. The 14b you plan on running can flow up to 28lbs/min (405cfm) which still isn't enough to overrun your stock injectors.

References where all this can be found.
http://www.dsmtuners.com/forums/bolt-tech/197576-does-walbro-190-require-fpr.html
Fuel Pump Flow Rates
http://www.dsmtuners.com/forums/articles-tuning-ecu/366003-injector-fuel-pump-supported-airflow.html

Ok, So with the 190lph normally wired could I up the boost a few psi with the stock injectors?
Or just leave it?

 

[agentorange313]

Ok, So with the 190lph normally wired could I up the boost a few psi with the stock injectors?
Or just leave it?

Found in the last link Gofer posted.

Walboro 190lph

10psi = 46.48lbs/min
11psi = 45.89lbs/min
12psi = 45.26lbs/min
13psi = 44.58lbs/min
14psi = 43.86lbs/min
15psi = 43.09lbs/min
16psi = 42.28lbs/min
17psi = 41.43lbs/min
18psi = 40.54lbs/min
19psi = 39.60lbs/min
20psi = 38.62lbs/min
21psi = 37.60lbs/min
22psi = 36.53lbs/min
23psi = 35.42lbs/min
24psi = 34.26lbs/min
25psi = 33.06lbs/min

If the 14b flows 28 lbs max and the 190lp supports 33.06 at 25psi and you injectors can support 32lbs, yes you can "up the boost a few psi".

Stock is 11-12 psi, that is the stock wastegate pressure.

Jsut keep in mind this leaves you very little room to grow, Small 16g will out flow that setup

 

[prosser9981]

Just saw the link, thanks bro

 

[agentorange313]

Just saw that, but was a little confused with he numbers
...SO yes? I can safely up the boost a few more psi? haha

yes you can, but you should also figure out the numbers so you can get the answers yourself. The data and tools are there for you, use them and then you can figure out any turbo, pump, injector size.

here is a link where someone else had the same problem with the numbers, I think I explained it clearly:
http://www.dsmtuners.com/forums/tuning-engine-management/448038-walbro-190-limits.html#post153109593

 

[prosser9981]

sounds good, thanks bud

 

[gofer]

To keep it simple, that 14b won't max out those 450's with a 190lph in there (re-wired or not) no matter how much boost you throw at that turbo.

Nate (9!'clipseDOHC) is running 21psi on his 14b and seeing 30lbs/min on his 14b, still not enough to max those 450's running pump gas.

 

[agentorange313]

To keep it simple, that 14b won't max out those 450's with a 190lph in there (re-wired or not) no matter how much boost you throw at that turbo.

Nate (9!'clipseDOHC) is running 21psi on his 14b and seeing 30lbs/min on his 14b, still not enough to max those 450's running pump gas.

Its never simple

 

[Bud92gsx]

To keep it simple, that 14b won't max out those 450's with a 190lph in there (re-wired or not) no matter how much boost you throw at that turbo.

Nate (9!'clipseDOHC) is running 21psi on his 14b and seeing 30lbs/min on his 14b, still not enough to max those 450's running pump gas.

No SHHH..He's not maxing the 450s yet,damm thats impressive..

F 450s

 

[gofer]

Nate isn't running 450's but the airflow he's logging wouldn't max them out if he were on pump gas, he's on E85.

 

[Bud92gsx]

OHHHHHHH

 

[JusMX141]

The t25 @ 20 psi flows less than the 14b @ 14 psi..

That's a little extreme. 20psi is still 20psi- just matters where the T25 stops making efficient airflow and the 14B continues.

 

[Bud92gsx]

It was just a comparison..Not to be taken literally..You should know what I meant..

 

[LandoAWD]

It was just a comparison..Not to be taken literally..You should know what I meant..

Justin might; others might not. Please think before upping that post count.

 

[Bud92gsx]

I want my post count reset..To offset my dumbass ness..But I have not asked chris yet..