HI! just want some suggestions!!

[Blackdog]

Hello there all! i just purchased an 1987 toyota supra and am super excited! i have been looking for one for years in my area and finally got it. Its an MA70 7m-gte turbo 1987 supra(duh haha).

My question is on what upgrades to get? eventually id like 400-500 poines being pushed from it. My first upgrade will be 3'' high flow exhaust. Thats pretty simple. But whats next? what kind of intake should i get? Intercooler? fuel system? and eventually which turbo is best to upgrade too? Also i will be putting a new headgasket on.

The car is completely stock and ready to be overhauled. Im not rich, but definatly wanna push it. Thanks in advance!

[87mk111]

This is what I would do If mine was a turbo:

Lexus AFM with 550 cc injectors
HKS blow off valve
Tial 38mm wastegate
HKS Boost Controller
HKS Intercooler and piping
HKS Head gasket
HKS Intake
MIne's Ecu
HKS Fuel Cut Defencer
ACT clutch

With these upgrades, youll be able to run 12 to 15 psi safely on the stock turbo. Not sure how much power youll be puttin out, but it will be an increase over stock power.

[Blackdog]

wow thanks man. Thats what i wanted. I think i will put most those parts on my current car. but i think im going to buy a new engine cause it has alot of miles before i put a T4 turbo on it.

Thanks!

Is greddy a good brand? just wondering, I kno HKS is top of the line, is Greddy the low end?

[kwnate]

Greddy and HKS are on par with each other both quality and price. Buy quality parts that are proven and the most important upgrade is a standalone and an expert to tune it which may be hard in Wyoming.

[Blackdog]

Greddy seems cheaper to me for some reason.(in price) and yes i doubt there is anyone in wyoming, but i live close to montana and idaho so im hoping to find a place there.

Also my speedometer dosent wrk, i tore the dash off and wires and connections seem fine. But dose anyone kno were the speed sensor is?

[btwilson86]

Cable driven speedo, so no sensor. There is a 3 piece cable running from the right side of the transmission up to the gauge cluster. The "pigtail" looking portion of the cable (on the transmission) is known to break somewhat easily, so that may be a place to start looking. Also, in my personal experience, it has been somewhat difficult sometimes to align and properly seat the speedo cable with the back of the speedometer. Might not be making the connection there.

BTW, I can tell you that you won't find anyone in Billings MT that can do any tuning on anything but a diesel truck. Everything people seem to drive here is diesel or an American V8 of some sort.

[87TT]

so you guys are probably gonna think i'm stupid but i've never used forums before and i'm not sure exactly how they work
can someone tell me how to post a new thread? lmao

[btwilson86]

87TT-

Welcome to the Forums! To post a new thread, first select the appropriate discussion area. In this case, we're in the "MKIII Supra" discussion, so only post threads in there about MKIII Supra's. Once you're in the right discussion group, at the top left of the thread list is a button entitled "New Thread". Click that, add a subject, and post your thread! Good luck

Blackdog-

From what I can gather, if you plan on doing any decent power modifications with your car, mhg is the way to go. If you're staying mostly stock, then you should be ok with a stock Composite head gasket, as long as you get one of good quality. That means you can rule out places like eBay where you can get a whole engine gasket set for $50. I would say go OEM or with a namebrand aftermarket gasket manufacturer, such as FelPro.

Keep in mind that whichever gasket you decide on, it's strongly recommended that you install it with either ARP Head Bolts or ARP Head Studs; both allow you to torque the gasket much higher than the rated 58 ft/lbs, allowing you to greatly extend the life of your gasket.

[Blackdog]

Well i am going to start to look around town to see if anyone will do the block. Cause id love to do more modifications for fairly decant hp. But do you know if i have to remove the engine for this to happen? Or can the work be done on it while the motor is still in the car?

[btwilson86]

To do it properly, you would have to remove the block because you would also have to remove your rotating assembly (crankshaft, pistons, connecting rods). This way the block can be dumped into a cleaning bath so it can be inspected for cracks and other defects. This also gives you the chance to do a full rebuild on the car, so you get a nice clean start for your upgrades.

If you are fairly confident in the bottom end, you can leave the block and the rotating assembly in the car. By doing so, you'll be taking all of the labor of smoothing the surface into your own hands. It'll take several hours, but it can be done.

There are 2 threads that I've read that seem to be fairly informative on this topic. The first one, they decided to smooth the block by hand. Check it here. The second one, he took it to a shop and had it dunked. Check it here.