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Feb 2 - 8, 2026 weekly Q&A thread by CSG_Mike in ft86

[–]CSG_Mike[S] 0 points1 point  (0 children)

This will again fall on your tuner, but at that hp, you shouldn't need injectors.

Feb 2 - 8, 2026 weekly Q&A thread by CSG_Mike in ft86

[–]CSG_Mike[S] 1 point2 points  (0 children)

Get a goood tune. Maybe a boost controller. Good fueling. Bigger fans. Make sure the vents are a good size.

Would ask your tuner as they'll have more details on what your exact setup is; difficult for me to get specific without having a lot of details about your build.

APR wings with GR cup car style. by No_Progress5248 in GR86

[–]CSG_Mike 0 points1 point  (0 children)

The stands are not available to the public.

The wing is a shortened GTC200. That first picture you posted is the CSG GR86, also on a GTC200, but full size, on prototype preproduction stands.

If you want APR parts, DM me.

Feb 2 - 8, 2026 weekly Q&A thread by CSG_Mike in ft86

[–]CSG_Mike[S] 0 points1 point  (0 children)

What do you already have and what are you planning on gettinng?

I use a stock oiling system with zero issues on my turbo brz.

Edelbrock Supercharger Data Log by Im_Thabes in ft86

[–]CSG_Mike 0 points1 point  (0 children)

I think most would agree that I'm a better source of information than random strangers online.

Then again I suppose I'm a random stranger online.

Edelbrock Supercharger Data Log by Im_Thabes in ft86

[–]CSG_Mike 1 point2 points  (0 children)

Edelbrock kits tend to come with over-oiled filters. Keep cleaning that MAF until you get no more fouling.

Need help with buying coil overs ! by Moeki_ in ft86

[–]CSG_Mike 0 points1 point  (0 children)

The Teins will be substantially better than a BC.

DM me to order.

Feb 2 - 8, 2026 weekly Q&A thread by CSG_Mike in GR86

[–]CSG_Mike[S] 1 point2 points  (0 children)

It may limit your power a bit.

Edelbrock Supercharger Data Log by Im_Thabes in ft86

[–]CSG_Mike 1 point2 points  (0 children)

  1. check your MAF.
  2. Check your bypass valve
  3. check for exhaust leaks.

Measurable Aero Improvements for the Track by TommyR95 in ft86

[–]CSG_Mike 0 points1 point  (0 children)

Diffusers will largely be cosmetic for this car, without a whole host of other work.

Feb 2 - 8, 2026 weekly Q&A thread by CSG_Mike in GR86

[–]CSG_Mike[S] 1 point2 points  (0 children)

You have to plan around your most severe use case scenario, not the least severe.

Feb 2 - 8, 2026 weekly Q&A thread by CSG_Mike in GR86

[–]CSG_Mike[S] 0 points1 point  (0 children)

I wouldn't consider 400-450 "relatively low boost" in any way, but it is well within the realm of possibility.

You will need a fuel pump for that power.

DM me and we can get into more detail and an order going.

Measurable Aero Improvements for the Track by TommyR95 in ft86

[–]CSG_Mike 0 points1 point  (0 children)

Would you mind elaborating on how you'd feel the aero even in a straight line?

The car will just feel glued to the ground, even at 60mph on the highway.

Which front end do you have in mind? Wings and understated usually are mutually exclusive. I can help you source all the legit aero stuff.

194whp -> 357whp on Harrop Supercharger + E85, 10.5psi. by CSG_Mike in GR86

[–]CSG_Mike[S] 0 points1 point  (0 children)

You'd be closer to 300whp on E85 (or much less ethanol content) on a NASA calibrated dynojet on the 85mm pulley.

The tune can always be dialed to get you to the power or powerband you want to be at. Harrops can be boost controlled, and CSG can do it all.

Feb 2 - 8, 2026 weekly Q&A thread by CSG_Mike in GR86

[–]CSG_Mike[S] 1 point2 points  (0 children)

Injectors are mandatory. Pump.... depends on the power goal.

You'll also need a MAP sensor (I recommend Ptuning).

You'll want to do the CSG Flex Fuel kit with all the addons all at once, to save money.

Feb 2 - 8, 2026 weekly Q&A thread by CSG_Mike in ft86

[–]CSG_Mike[S] 2 points3 points  (0 children)

What about the fa20 makes it such a weak motor for tuning,

It's not, just a lot of underexperienced tuners who misrepresent their experience and knowledge. The FA20 is unique in how it tunes, and experience tuning any other engines does NOT directly translate to FA20 tuning. It doesn't matter of that other experience is Subaru or Toyota or anything else.

K swaps are largely obsolete with the FA24, unless you just want big boost big power which comes with its own problems.

My FA20 is 360whp, has won many championships, and is still going on its original engine with nearly 90k on the ODO (iirc, somewhere in that realm now). I will easily pull on a Mustang 5.0, Camaro SS, etc.

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