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Turbo upgrade - setup for 20G TD06H

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#22 ·
Ok Glenn, you are being helpful, but a little post whore-ish imo right now...You are kind of steering him away from the setup he is telling you is inevitable, so instead of correcting, just voice your opinion and be done...

The DNP manifolds are amazing, they are proven and top quality, a ported 2g seems like it would work fine, but if you want a tubular mani. rather a form of cast manifold, then DNP is quite a product for the price....

As said before, 550's just won't cut it for a 20g..Id be too afraid of fuel cut from all the airflow and not enough flow... But, with injectors larger than 650's, it's harder to compensate and tune for them using a safc w/ out some kind of EPROM chip that will do that...But, I have seen people run 720's on a safc alone, so as long as you have at least a logger to check the fuel trims, 02v, timing, airflow, etc, you should be able to get that thing tuned no prob.

I almost never see people recommend td06 hot sides for street/daily driven turbo setups, and especially since you are just starting with a timid 300whp goal...I personally think a td05h is a much better idea for your goal and situation, but, it's your friends car and money, so up to him;

Also, by reading some of Glenn's posts, I realize he was also a little confused on the ex. gate situation...LAT does not need an 02 housing w/ a wastegate flange already on it since the tial will be run of the exhaust manifold...Otherwise though, if you want a little more exhaust flow then the stock 2g unit, either go easy on the wallet w/ a 2.5" ported evoIII unit, or a little more cash for a nicer tubular 2.5" 02...3" if you wish, imo it's way overkill for only 300 conservative hp to the wheels....

As far as other things, with only 300whp in mind he is pretty much set...an afpr would aid with tuning and the fact he is running a 255lph and probably a lot of fuel pressure...If more power is in the future(besides the stroker you mentioned), a SMIM and some larger cams is what I see as to making more power in his setup...I would recommend a larger intake tube for the 20g, I don't remember if those have 3" inlets or not, but it could only benefit him to upgrade the cold side of his engine after the entire exhaust is now at it's finest...

Good luck
 
#23 ·
Tort has gone 11.0s and well over 120mph in the 1/4 on a 20g with a clipped TD05H turbine wheel and 550s. This is on C16, the amount of boost he could run safely on pump gas was limited to like 20psi, but on race gas, 550s were fine at 27psi. Unless top-end power is your main concern, the 05H wheel will get the job done just fine.
 
Discussion starter · #24 ·
Steve93Talon said:
Tort has gone 11.0s and well over 120mph in the 1/4 on a 20g with a clipped TD05H turbine wheel and 550s.
Click to expand...
key-word: "clipped TDO5H" to an unspecified degree...so basically almost the same as a TDO6H ;) only with more power.

We're settling on 680cc injectors it seems to have some more flexiblity in the system and that should be that then.
 
#26 ·
I have a green with denso 660s and it supports 20psi on pump so 660s should be fine. I have the td06h wheel and spool is great. I think rnr makes a 3in pipe and im sure some other people do. I only used a logger, vpc and afc with an eprom chip for awhile and I think thats all tort had with his 20g. Simple setup but it works
 
Discussion starter · #27 ·
Chicago_DSM said:
I would recommend a larger intake tube for the 20g, I don't remember if those have 3" inlets or not, but it could only benefit him to upgrade the cold side of his engine after the entire exhaust is now at it's finest...
Click to expand...
you bring up a good point that I've started to contemplate myself. I guess the Injen intake will be too restrictive for the new turbo.

I know dejontool makes good intake pipes (in correct sizes)...

but what size would match the turbo, does anybody have the exact specs?
 
#28 ·
LatDSM said:
you bring up a good point that I've started to contemplate myself. I guess the Injen intake will be too restrictive for the new turbo.

I know dejontool makes good intake pipes (in correct sizes)...

but what size would match the turbo, does anybody have the exact specs?
Click to expand...
I still haven't looked up the inlet side of a 20g, but for sure you will want at least a 3" intake...The problem you want to avoid though is bottle-necking, so unfortunately if the inlet is only 2.5", then you have no choice but to get a reducer coupler...But, I still don't see why you wouldn't witness power gains and colder temps by just replacing the pipe anyway..I never understood all the hype about injen's, $200 for a 2.25" pipe...Now-a-days, you can get a FP 4" intake for a little over $100..Whatever
 
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