Benefit of larger turbo

[radtech]

I have a 25k mile 87 w/
-42lb inj
-dump pipe/no cat
- 3" DP
-TT chip
-new fuel pump
-ScanMaster
- K/N filter
-volt booster
-RJ boost controller
How much improvement could I see with a larger turbo over stock? Thanks!!!

 

[gnbooster87]

you need to upgrade your fuel pump to a 340 walbro and get a hotwire kit if you havent done so.... id stick with the setup you have and get a alky kit first and turn the boost up and see how you like that....if you decide the hell with it and just want a bigger turbo you might have to upgrade to bigger injectors

 

[86Nick]

larger turbo

You'll see, feel, and hear a difference. The turbo will spool up quicker the shift to second will snap your neck and the smoke from the tires burning will blind the competition. Go for a TA-49 or a TE-44. These turbos will work great with the injectors and the setup you have.

 

[radtech]

Is the 44 or 49 as big as I should go without adding a torque convertor upgrade? I did change the fuel pump with a new one and I have it hotwired with the volt booster. Thanks!

 

[86Nick]

larger turbo

Yes, the TE-44 and TA-49 are about as big as you can go without changing converter. These turbos are two most popular ones used.

 

[Nick Micale]

Is the 44 or 49 as big as I should go without adding a torque convertor upgrade? I did change the fuel pump with a new one and I have it hotwired with the volt booster. Thanks!

If you like your current response and quickness on the street, you most likely will NOT like a turbo upgrade staying with the stock converter.

The stock turbo with proper mods will take you to low 12's , and be great on the street. Bigger is not always better with a turbo, depends on your current goals.

 

[radtech]

Car doesn't seem fast enough to me. I should probably get some DRs since mid first gear doesn't get enough traction. After 1st though, tires stick pretty well to the ground. The warm AZ weather doesn't help I sure. I'm running about 18-20lbs of boost without knock w/ racefuel.

 

[GNRick]

25k mile gn

If the car is in good shape i would consider getting a high mileage one to beat on. I have a 25k mile GN and I would never even think of modding it. Although I did add the cross bracing in the trunk. But that's just me.

 

[no-nos]

i changed my converter before i did the turbo and all i can say is WOW!!
I got a CCP ( art carr ) 9inch non-lock up and the difference is DAY & NIGHT!!
i had the same injectors you did, with a TT-chip and a walbro 340 fuel pump

that converter is just plain awesome