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I'm planning on buying a MHG soon and I noticed the stock bore size (about 83-84mm) is less than the normal bore size on most gaskets (86mm). Woudn't it be best to have the closest bore possible to reduce the change in compression ratio and overall efficiency? I normally would research more...

Today I finally got my 89 supra started up after at least 7 months of being parked. When I parked it, it was running better than ever Turns out, it was the alternator that was the problem, so I finally changed it today and it started right up; even with odd mixture of gas from last year, gas...

Ok so I parked my 89' Supra at my x-band members' house close to a month ago and I can't seem to get it to start for the life of me! It ran fine when it was parked but during the 3 weeks or so it was there it's been in the teens outside so Im betting thats a factor. The first time I tried...

My buddy recently bought a red 89' turbo supra with an AT and we're hoping to get as much power as possible out of it. It came with about $5000 in internal work. Forged everything except pistons, port and polished head, FFMI with hard pipes, 3mm HKS metal head gasket and an aluminum drive...

My buddy and I are working on a building a supra capable of 650+hp and I've heard that usually you need to upgrade your transmission mounts and motor mounts to poly mounts. Is this true? If so, where can you get them? I can't find any anywhere which leads me to believe that you dont need...

My 89' turbo keeps overheating and I've replaced the entire cooling system. The thermostat works, I just installed a fluidyne and a new wate pump and nothing drips. The wierdest part is that my temp guage never went above half way but it definately overheated. Heres what scares me: I...

After spending all day replacing the water pump and thermo housing, I see that the plug for the CPS broke. After a short panic attack and a long frustrated attempt to research this I'm ready to quit. As of now it seems my only option is to connect each wire individually but my question is...

I just got finished replacing the entire cooling system and I have a universal Hayden efan that I wanna install tonight. I have the adjustable relay and it looks somewhat straight-forward butI just want to know what the experts think. Any recommendations on how to wire this up? Everyone...

I need to buy a radiator tonight and I'm trying to find an all aluminum racing radiator that works with an automatic transmission, but I've had no luck. All the cheap one's I find have plastic ends and that obviously didn't work for me before. What's the best? ________ PORTABLE HOMEMADE VAPORIZER

Anyone use the throttle body from a v8 lexus? I believe stock is 60mm and the lexus is 70mm. I want to upgrade but I wanted to see if others have done this and if there's much to gain with this mod.

After doing some research, it seems there's almost no advantage that I can see to removing the EGR system. I did a JDM swap...which, as everyone knows, has no EGR. I've ran my setup for over a year without it and now I feel that EGR is a must. Would it be better to get a JDM ECU or reinstall...

I'm new to elecrtonic boost controllers and I'm wondering what other people's settings are and the steps they've taken to tune their car. I noticed a big difference between what I set it to boost to and what actually gets produced. What can I do? I have 550cc injectors, lexus AFM, DDP & 3"...

I just installed a Greddy full auto timer using a harness. The installation was easy and the timer turns on and appears to work fine. Problem is, when I turn the car off it turns off as well. What'd I forget?

So I finally finished installing my new apexi AVC-R and when I go to try it out it cuts out. It only cuts on when holding down a button but then cuts off the moment you release. I'm almost certain I wired everything correctly and the unit seems to be working but I can't use it. I can hear the...

So I'm all set to start my attempt at installing the AVC-R but I really still am unsure of which hoses need to be rerouted and which ones get capped off. Where's a good place to mount the solenoid valve and the pressure sensor?

I'm currently using a 3" elbow with an HKS DP but the opening on my DP is actually 2.5". Im concidering switching to the DDP but I want to be sure it's worth it. I found a DDP on ebay but its not actually a divorced DP since the wastegate pipe recirculates. The price is right but I'd like to...

I know this is a dumb question, but today I picked up a set of eibach lowering springs (part # 4.7585) at a flea market for $8 and I wanna know if they could be used on my 89' supra. I'm almost positive that they won't but I'd like to be sure before they hit ebay. Thanks!

I'm hoping to get a set of electric fans but I don't have the money to go flex-a-lite. Anyone find anything that works the same for less? I've heard of a couple of OEM fans that can be used. Anyone use anything other than FAL fans? What kind of HP and MPG gains have you seen?

I've been trying for about a week to get my 7mgte to start, but the ECU isnt allowing it to. I've been told to jiggle the cam position sensor wires, but that didnt work. I tried replacing it today but it cranked irregularly so I put everything back the way it was. My mechanic says its the...

I've replaced almost everything that could be the source of the problem so I cant figure out why it won't start. My car drove great all day but about an hour later when I tried to leave I realized I was stranded. I'm completely stumped. The battery is new and has plenty of charge. The starter...