what would be the best turbo upgrade from the stock turbo with a FMIC,all pipes upgrade, BOV,and an engine managementsystem already on.</P>


I mean the 16g is pretty good but would a bigger turbo give more power or would it just be a waste (would the low end be affected or not that much).</P>


Any feedback would be really appreciated</P>

 

16g would be plenty big for a stock motor. If you want a bigger turbo than that then I would start looking at building your internals.

 

That's what I mean. But instead of getting the 16g then internals then a bigger turbo. Woulda bigger turbo give the high 300s low 400sobviously the boost not set too high, just set right for the stock engine then later on get the internals. Or would it be useless like almost no power gain till I get the internal. And would the low end be affected a lot or would it just be a 500rpm difference. Take into consideration that I will be getting the internals later on.</P>


Then thing is I do need a new turbo mine is messed up, I was thinking of the 16g then the internal but the 16g could hold almost up to 400hp. And if I wanted to get the internals it would be useless with the 16g cause already the stock engine could hold almost up to 400 and the 16g would be a block for later on. I'd have to get a bigger turbo then. So I was thinking of getting the bigger turbo withaverage boost till the internals. What would be the outcome till the internals? (low end, high end, no power etc....)</P>

 

If you want a bigger turbo, just go to a 20g. The 16g can almost hold 400hp, however, it's way out of it's effiency range. That means a much much shorter turbo life, and it would risk damaging the exhaust manifold and engine. The 20g is the natural step up. It can hold 400hp all day, every day, and be happy doing it. If you go with a 20g, you'll get noticeable turbo lag, and it'll take longer to reach full boost. However, you won't desire another turbo after you get the 20g....unless you sell out and want a t3/t4.Anyways, if you want 400hp, just realize that you'll need to upgrade your fuel system first and foremost.You may also want to switch to a 6-bolt block, since the internals of the six bolt are much more ready to accept the high boost levels associated with making 400hp.

 

What can be doneto minimisethe low end lag. For instance if a T3/T4 started boost around 4000, can i get it to start at 3000.

 

Well, generally t3/t4's spool at 3500 rpm. They are renowned for their ability to spool quickly on tiny Honda engines. Anyways, you can get a turbo clipped to reduce lag. Not the best solution, but it works. The better way to do things is to get the housings extrude honed, polish the compressor housing, and thermal coat the turbine housing. This could reduce lag by close to 500rpm. Lag isn't really an issue though, it's over-rated. Even 20g's spool up kind of quickly when hooked up right and have the proper mods done. Getting an engine to run efficiently is #1 when you are trying to make power.<FONT face="Arial, Helvetica, sans-serif"> Controlling heat on a turbocharged engine is kinda hard, especially when the turbo is like right next to the engine.</FONT>

 

I was thinking of clippingthe turbo, or putting an anti lag system(not good at all though, that was just an option)but reducing heat seems more logical and safer. Thanks a lot Spyder.