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small 16g

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mattp_65

Supporting Member
515
167
Aug 16, 2004
Granite Falls, Washington
What else can I do to get most out of my small 16g turbo? Is mods sufficient enough because 230 hp at the dyno is not good enough. I found a boost leak and replaced a new master cylinder after the dyno run so hopefully a little more hold on boost.
thanks
matt
 
i don't see anything in your profile about an upgraded downpipe. i would also suggest DSMLink and drop the SAFC. and how about porting/upgrading your O2 sensor? and how about that drivetrain (aka clutch and flywheel)? and how about cams? do a search and check out the tech guide section.

http://dsmtuner.com/sub.php?page=2gtupgrades
 
DSMunknown said:
i don't see anything in your profile about and upgraded downpipe. i would also suggest DSMLink and drop the SAFC. and how about porting/upgrading your O2 sensor? and how about that drivetrain (aka clutch and flywheel)? and how about cams? do a search and check out the tech guide section.

http://dsmtuner.com/sub.php?page=2gtupgrades

I dont have an upgraded downpipe but ACT 2600 and no cams. I have upgraded alot on the tech guide mostly all done in the 1st section. Maybe I should get dsmlink and a downpipe instead of a new turbo. What do you think?
thanks
Matt
 
mattp_65 said:
I dont have an upgraded downpipe but ACT 2600 and no cams. I have upgraded alot on the tech guide mostly all done in the 1st section. Maybe I should get dsmlink and a downpipe instead of a new turbo. What do you think?
thanks
Matt


no. your turbo is good for at least 320hp. don't even think about it. you have an adequate turbo, so stop thinking about upgrading it. a few more supporting mods and a great tune will get you impressive results.


you can even look at this:
http://www.vfaq.net/DSM/mods/10faq.html

im assuming you bought the s16G, and got it installed (either by you or someone else). so you paid good money to get it under your hood, now let it be. just so long as you don't blow it or something drastic like that, i would have my mind on maintanence and more productive upgrades.
 
DSMunknown said:
no. your turbo is good for at least 320hp. don't even think about it. you have an adequate turbo, so stop thinking about upgrading it. a few more supporting mods and a great tune will get you impressive results.


you can even look at this:
http://www.vfaq.net/DSM/mods/10faq.html

im assuming you bought the s16G, and got it installed (either by you or someone else). so you paid good money to get it under your hood, now let it be. just so long as you don't blow it or something drastic like that, i would have my mind on maintanence and more productive upgrades.

I went to the dyno last summer and i put only 230hp to the wheels at 18 psi on 91 pump gas. maybe next time on race gas and i will see what i can do. But what should i upgrade first? thanks
matt
 
What kind times are you running in the car? Different dyno's will read different numbers. The small 16g is a very underrated turbo. My time was run on a stock 7 bolt on pump gas with a small 16g and 550's, very basic setup. Look up Newb2DSM on here, he took the small 16g into the very low 12's, I wasn't too far behind him with a 7.84@89 best in the 1/8 mile. It'll take you where you want to go, a set of cams will help, especially on a 2G head. FP1's, Evo3 IM, 1G TB, and a 2600 were my only changes from my 12.9 run to my 7.84 run.
 
mattp_65 said:
I went to the dyno last summer and i put only 230hp to the wheels at 18 psi on 91 pump gas. maybe next time on race gas and i will see what i can do. But what should i upgrade first? thanks
matt


you're asking an opinion question. its like the saying goes- "its like an a**hole; everyone has one."

you want my opinion? here it is- drop the SAFC and get the DSMLink with a 2G EPROM, take it to a reputable DSM tuning facility, and have them tune your ride to near perfection.

i will even give you a link to get started:
http://www.ffwdconnection.com/electronix.shtml

and then look here. the dp is a 2.5" aluminized piece:
http://www.slowboyracing.com/shop.php?sid=&cat=490

i don't know, but that pee-pee octane rating seems to be keeping you down too:toobad:
 
with the upgraded turbo you have on the car now an upgraded downpipe should open up another 15-20 hp, u could get adjustable cam gears to play with i agree with dsmunknown, your best bet is probably to get a really good tune. also you were running the car on 91, maybe next time fill up with 94
 
micus said:
with the upgraded turbo you have on the car now an upgraded downpipe should open up another 15-20 hp, u could get adjustable cam gears to play with i agree with dsmunknown, your best bet is probably to get a really good tune. also you were running the car on 91, maybe next time fill up with 94

In cali we're limited to 91 octane.
 
PieEyedPiper said:
In cali we're limited to 91 octane.

I know Cali sucks with 91 octane. I wish they had at least 92 Octane.
oh well what can you do
 
mattp_65 said:
I know Cali sucks with 91 octane. I wish they had at least 92 Octane.
oh well what can you do


Additional injection. Who needs high octane gasoline when you can inject meth (120+ ontane)?
 
Downpipe, Porting the mani, turbo and O2 housing, Hard Intercooler Piping, NGK BPR 7's..........the 660 injectors seem to be overkill on a 190LPH pump and a small 16g. The SAFC is still useable with your setup. 230 All wheel horse still isnt bad.....but like you said, a few more bolt ons, a tune, and boost leak fix should up your power to your liking.....
 
mattp_65 said:
Will alcohol/water injection help alot on Cali's low octane level? Is it a good investment?


I just bought water/meth injection and I run 24psi on a e316g on 91 octane with 0 knock.So yeah i would say its worth it.
 
How much boost were you running to produce that 230whp?? and yes a DP is a good investment, but maybe dropping down to some 550cc's would be a good idea. 660cc's are a little hard to properly tune on a SAFC and are overkill for a S16g
 
Willicuddy said:
How much boost were you running to produce that 230whp?? and yes a DP is a good investment, but maybe dropping down to some 550cc's would be a good idea. 660cc's are a little hard to properly tune on a SAFC and are overkill for a S16g

18 psi on the dyno and i think i should keep my 660 injectors. Any suggestions on downpipes and/or sizes? thanks
Matt
 
ilikespeeding said:
You guys know that methanol is corrosive to aluminum right?


Yes. If it has time to sit in it and start to corrode, misting it into the motor where it is burned like the fuel it is is completely safe when done properly and has been done for years. Tell a turbo Buick guy that methanol injection is a bad idea. :D

Eastwood95 said:
hmmm, i still think the 660's are overkill....

I was at 103% duty cycle on my 550's and a small 16g on pump gas. I probably could have gotten a little more head room by running my base fuel pressure higher, however I was switching to a new setup anyway so I just went big.
 
are you running 91 octane?

I dont have first hand experience since I havent upgraded my injectors yet, but just from my extensive research I thought 550cc injectors would be enough for a small 16g...........dont you think tuning the 660'c with only a SAFC is a bit difficult though?
 
Eastwood95 said:
are you running 91 octane?

I dont have first hand experience since I havent upgraded my injectors yet, but just from my extensive research I thought 550cc injectors would be enough for a small 16g...........dont you think tuning the 660'c with only a SAFC is a bit difficult though?


Nope, 93. I'm in the south, we have good gas and no emissions testing!! IMO an AFC is about the worst thing you can put on a car nowadays, with the advancements that have been made in tuning systems it pales in comparison.
 
i was in your shoes a few weeks ago, and ended up upgrading my turbo since 400awhp was my goal.

Like others said before, I'd recommend getting a 3" downpipe => test pipe and catback. There's a few guys on the forum who could port ## stuff for you. Check out www.vfaq.com.

Hope this helps!
 
Syndicate13 said:
Nope, 93. I'm in the south, we have good gas and no emissions testing!!

little hard to tell if eastwood was asking the octane rating question to you, but mattp did already state the octane he regularly uses. the CA tuners get so screwed with that puke stuff:tease: and then there are the Floridians- sunny skies and 94 all day long...

Syndicate13 said:
IMO an AFC is about the worst thing you can put on a car nowadays, with the advancements that have been made in tuning systems it pales in comparison.

that's the buzz nowadays. as most informed DSMers would say, "Don't waste your time with the S-AFC. In the long run you will just be kicking yourself in the pants because you will eventually be switching to DSMLink. For those of you who were sucked in to the popularity of the S-AFC, I feel sorry for you. Rip that thing out as fast as you can and hope some other gullible kid will buy it. Put that money towards DSMLink and thank your lucky stars you got something for your crappy tuning device. DSMLink can do boatloads more than the S-AFC, so just go with the DSMLink in the first place and save yourself time, money, and headache."
 
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