Max power stock bottom end 6bolt

[Sundance 6g72]

Hey guys. My buddy just got a FWD laser turbo. Only mods right now is the 16g turbo. We plan on doing a 3inch exhaust from the turbo back. Getting a new mas (probely the GM one) along with a front mount.

once we have the wideband and boost gauge installed we will instal a manual boost controler. How far can we push this car with the stock fuel system and the 16g?

we are going to get a 255lph fuel pump along with AEM fuel pressure regulator too. so how far can we push it after the fuel pump??? i know injectors will become and issue at some point along with having to do something for tuning.

 

[92AWDHX40]

Blocks are blocks some can handle 400 some cant we cant tell you about yours, get it the dyno. Thats the only way for sure your going to know.16g stock upgrade path look there 190 is good. You have some reading to do.

 

[kbiker76]

You need to get injectors along with the pump. You will max the stock injectors out pretty quick with a 16g if your turning the boost up. Stay around 12 psi with stock injectors

 

[Sundance 6g72]

You need to get injectors along with the pump. You will max the stock injectors out pretty quick with a 16g if your turning the boost up. Stay around 12 psi with stock injectors

this is stuff i need to know


anyone know what the factory boost is on the 16g? there is no boost controller hooked up right now. The car pulls great throughout the rpms so i dont think its to high for the injectors just yet

so with bigger injectors, will we need to remap the ecu along with turning the fuel pressure regulator down to account for the higher fuel flow??

255lph pump
aFPR
Injectors (what size should we get?... i know this is a hard question. we dont plan on e85 as of now and the horsepower goal right now is 275hp at the wheels and still being confortable)

also, like the guy above said.. all blocks are different.. SHOULD the stock 6bolt block in good running order handle 275whp?

 

[DOHCeclipse]

275hp should be no problem for a 4g in good shape. AS LONG as you dont starve it of fuel and you aren't detonating.

 

[kbiker76]

275 will be no problem but get injectors for sure. I was running 560's on my built 7 bolt engine with an Evo III and I was pushing around 23 to 24 psi on my turbo and it was running great. I also have the wally 255 unless your looking to put a bigger turbo on later the 255 might be overkill the 190 would work for you

 

[BigBeans]

also, like the guy above said.. all blocks are different.. SHOULD the stock 6bolt block in good running order handle 275whp?

A healthy 6 bolt block on a FWD will do 500+whp with no issues as long as the tune is safe.

Of course, it takes a ton of other mods to get there.

 

[98spydereugene]

I've had 3 evoIII big 16g's and they've all been around 8lbs at wastegate pressure....

 

[kbiker76]

Definitely get something to tune with my mistake forgot to throw that in there. Get the link if you can afford it

 

[98spydereugene]

^^^^Yes get link, at least v3lite, will make a good difference with a good tune, and you'll never need anything else.

 

[kimbsy86]

I'd be looking at maintance before all those mods but if it checks out run her. And you can boost her all day long but without supporting mods i'd be careful. Hook those parts up and see how she does and make sure after that fmic you have all fittings secure and hoses/boots/clamps tightend. Just be careful, that is if you care for the car, to much boost on to little fuel or to much boost causing to much pressure can cause alot to wear or even break without the right parts.

 

[Sundance 6g72]

thanks for the posts guys

so bigger injectors will require a new tune correct? and of course running high boost will need a tune eventually.

we still need the wideband and boost gauge before we get into all of this

upgrade list goes as follows.

wideband
boostgauge
intake (GM mas or second gen mas i dont know what hes thinking of doing)
3inch turbo back exhaust
255lph fuel pump with fuel pressure gauge and regulator (what should regulator be set at for stock injectors)
boost controller set for 12psi (as you guys recommended not to go higher with stock injectors)
fmic

im going to stop there. once all that is said and done, we will look into tuning and injectors for more boost. Its nice to know these motors can take 500hp (with good tune and well taken care of motor)

another thing, i understand that you cant run an unreserculated BOV unless you have a NEW MAF sensor.

i know the GM sensor, evo3, and speed density setups will alow for a BOV that is vented. with a stock 2g Mas with adapter harness work for a vented BOV or no? i didnt think it would but ive heard different from some random local guy.

the stock bov works great from what i know (unlike the 2g) but we have a different one sitting around and would like to install it

 

[EclipticalGS]

When I had a 16g I started by welding the wastegate flapper shut, and tuning for everything possible I could get out of it with E85 and 1200cc injectors.

Not until the HX-40 came did that motor blow. So im sure you're good on whatever you tune for.

A GM MAF will allow you to run un-recird BOV. But that's not all it's for.

Speed density is completely different in which it utilizes a 3-5 bar map, and an IAT sensor. No MAF is needed this route.

You'll never know your motor can handle a certain power until you acheive it.

Im surprised my stock FWD transmission has held up this long, that's all Ive been worrying about.

 

[98spydereugene]

The MAF has to be after the BOV, that's why you either need a gm MAF or run speed density. Yes with bigger injector's your going to need something to tune with, an SAFC for anything smaller then 650's, anything bigger and you'll need dsmlink. I wouldn't waste anything on an SAFC though, dsmlink more then pays for itself with everything you can log and do with your tune.

EDIT:regulator should be set at 42.5psi just like stock, your just going with one because a 255lph fuel pump will most likely outrun your stock fpr causing problems..

 

[Sundance 6g72]

I'd be looking at maintance before all those mods but if it checks out run her. And you can boost her all day long but without supporting mods i'd be careful. Hook those parts up and see how she does and make sure after that fmic you have all fittings secure and hoses/boots/clamps tightend. Just be careful, that is if you care for the car, to much boost on to little fuel or to much boost causing to much pressure can cause alot to wear or even break without the right parts.

yeah for sure man

breaks are new
fuel filter is new
tires have good tread

TIMING BELT IS A POS and previous owner really put that one off. The belt has been ordered along with the tentioner and the balancing shaft belt and everything needed to do that job

its not coming off jackstands until its timed and has a fresh belt

we are cleaning up the whole engine bay right now while we wait for the belts. turbo really needs to be cleaned off (and we have a new gasket set for it sitting right hear) and the head and tranny have been cleaned off. AC was just deleted to remove some crap from the engine bay.. along with battery relocation and charcoal canister removed. The suspension is fine but we are going to stiffer megan coils most likely. Coil overs were thought of but it already handles fine enough for use as is.

 

[1SloEvo]

I got an ETS race FMIC kit with piping if you want it? Let me know. Would help you out where the stock SMIC will heatsoak very quickly with the bigger turbo.

 

[BigBeans]

DSMlink should be very high on the priority list, right beside the wideband and the boost gauge.

 

[Sundance 6g72]

The MAF has to be after the BOV, that's why you either need a gm MAF or run speed density. Yes with bigger injector's your going to need something to tune with, an SAFC for anything smaller then 650's, anything bigger and you'll need dsmlink. I wouldn't waste anything on an SAFC though, dsmlink more then pays for itself with everything you can log and do with your tune.

EDIT:regulator should be set at 42.5psi just like stock, your just going with one because a 255lph fuel pump will most likely outrun your stock fpr causing problems..

we do have an apexi neo sitting around so that might be an option?

and my buddies 2g GSX has a evo3 mas and a vented bov. No issues when letting off the gas.. at least not that i can see or feel. dosnt buck or stall ever.

 

[98spydereugene]

If your messing with timing and head, I'd go for some ARP headstuds and Mitsubishi MLS headgasket, just added insurance, especially once you start turning that boost up.

No matter what MAS you have, it has to be positioned after the BOV or you'll be running rich and have a bad idle most likely because your losing metered air...The type doesn't matter its where it's positioned. I wouldn't worry about vented or unvented, I've ran both and couldn't feel a difference in spool. Sounds a little louder, but I'm about HP not sound...

APEX NEO will work as long as you don't get injectors bigger then 650's...

 

[Sundance 6g72]

DSMlink should be very high on the priority list, right beside the wideband and the boost gauge.

if you say so. ill let him know.. it is his money.. im just sort of doing the research right now.

what about the evo8 ecu. My friend with the gsx is looking into getting that because they are fully customizable just like dsm link.. except its free as long as you have the ecu in the car. (software is free and such)

I got an ETS race FMIC kit with piping if you want it? Let me know. Would help you out where the stock SMIC will heatsoak very quickly with the bigger turbo.

i will keep you in mind


you guys post so fast i cant even keep up, thanks a ton!

 

[90gsx_turbo]

i like what im reading but im wondering what you guys think ill have hp wise after my mods. mod list is Precision T & E SCM6027 Turbocharger, 750cc injector, 255 fuel pump, fmic, wideband, 2g airintake and maf, and i already have a tubular mani, mbc and also gonna get a 3'' full exhaust on a stock block

 

[Sundance 6g72]

If your messing with timing and head, I'd go for some ARP headstuds and Mitsubishi MLS headgasket, just added insurance, especially once you start turning that boost up.

No matter what MAS you have, it has to be positioned after the BOV or you'll be running rich and have a bad idle most likely because your losing metered air...The type doesn't matter its where it's positioned. I wouldn't worry about vented or unvented, I've ran both and couldn't feel a difference in spool. Sounds a little louder, but I'm about HP not sound...

i dont know if the head will be pulled or not but if it is ARP and MLS headgasket be purchased.

and like you said.. sound dosnt make power and we know this. Im really pushing for him to get the GM sensor though because im not going to lie, i like the sound of a bov.

BUT im going to bring up the gsx again.. it idles fine and drives great. if anything its running lean right now but thats not my problem. the wideband just got installed in that but it dosnt run right now so we dont know if its rich or lean and im not going to worry about that car right now.. just saying that it runs great with the evo3 mas and greddy bov.

 

[98spydereugene]

Ya you could go that route and tune with it, I'd highly suggest dsmlink though, there's nothing like everything you can do with it, full logging capability and tuning all in one, best investment I've made on my car.

Ya different cars run differently venting the BOV, but without a GM MAF or speed density it's not going to run at its full potential(think that's a good way to put it)..I too love the sound of a BOV, just wasn't much difference when I vented, not enough to warrant buying a GM MAF in my case at least..

 

[Sundance 6g72]

im with you man.. when i buy thins for my car i want them to make it go faster or drive more reliably. The bov came with the car just not installed. so if he goes GM mas then i guess we will through it on and see what happens


i love this forum and i dont even drive one of these cars.. you guys are great!

 

[98spydereugene]

You'll need a MAF translator of some kind to run that GM MAF by the way, just pointing that out if you didn't know...hope your builds go good, you won't be dissapointed with that evoIII big 16g, it's a great turbo, I love em.