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First a little background: I have a voltmeter in the dash from a non turbo supra and it always indicated about 12.5 volts even when the battery was charging at 14.2, so I decided to figure out why. I was also experiencing an intermittent click/ no start situation. Upon performing a voltage...

I am helping a friend get his car running that he just purchased midway through a HG job. He has already replaced the ignitor/coil assembly, the distributor, all plugs, wires, cap and rotor. We have fuel pressure, but it seems the spark is what we are missing. It wont start on ether. We...

So as we know the Holsets need a restrictor due to the oil pressure being too high for these turbos What size restrictor are you guys using on the holset turbos? The ball bearing turbos need a restrictor about .035", and I have seen restrictors for journal bearing turbos anywhere from .065"...

I just got my freshly built engine started up for the first time. It started right up on the first crank, no leaks, purred like a kitten. Then right before I was about to go break it in I start hearing this noise, sounds like something squeaking in the engine. So I figure its an accessory or...

I am finally ready to start up my rebuilt engine and I just want to run some questions by you guys that I am not 100% on. I have read the "Proper engine break in oil" sticky in the lubricants section, and I am planning on using the break it in hard method described here...

I am finally getting around to putting my engine back together and I ran into a snag here. I just got the head back from the machine shop where they resurfaced it and did a valve re-grind. I clamped it down to the block and installed the cams to measure my clearances. I found that several...

I have about $650 dollars to spend, and I am trying to build the most powerful computer that I can for the money. It will be a home computer used for some light video editing, and powerful multitasking. Here is what I am looking at, tell me what you would change. Oh, and that money includes a...

I have had this turbo on my car for several years and it has never given me any problems, but I have always thought it spooled a little slow for its size. The person I bought it from years ago told me it was a T04B with a .69A/R. The turbine housing is an on center design with the name...

Is it not common practice to resize a new set of rods to attain your desired clearance? My crank is fine, doesnt need any machining, so I plan on just putting it back in as is, with a set of standard clevites and new eagle rods. I told him the clearances that I want my main and rod journals...

I am in Tuscumbia, AL for training for a week. Well there was a mix up with the schedule and there is no class today so we are looking for looking for stuff to do. I need ideas!:aigo: Its a dry county and there is nothing for miles around. We already visited the coon dog cemetery...

So heres how we play. I will tell you what happened, and describe the symptoms, and you guess what broke while I go tear it down and find out what happened. Winner of the contest will receive mad props. Engine is internally stock 102,000 miles. T04B turbo, Ron R FFIM, with supporting...

I have made lots of custom exhaust systems, hardpipes etc, and I am just wondering what you guys are using to cut the mandrel bends perfectly strait, yet at the required angles, to make a butt weld. I know there has got to be an easier way than how I do it. I have been using a marker to draw...

Thats right, I need to see where you guys who have done a battery relocation and still need to be drag srip legal have mounted your external cut off switch. Also what brand/style of switch did you use? I have been thinking of going behind the license plate but I need some ideas. Post...

Hi guys, I have C's short throw shifter and it has a lot of slop in in it. I bought the car with the shifter installed so i dont know what parts are supposed to be there. The ball moves up and down and left and right a good amount. I have been reading that there is a green bushing that gets...

I am installing a remote oil filter and cooler, and I bought a permacool oil thermostat. But looking at it, it just doesn't seem to me that it will do much of anything. What I mean is, when the t-stat is cold and "closed" the valve inside should block oil from circulating through the...

For the second time in a two years, my crank pulley has come loose, destroyed the woodruff key, and either streched the pulley inner surface or worn down the crank. The first time it came loose I replaced the pulley and torqued the bolt down as hard as possible with someone locking the...

I had a belt incident witch resulted in the connecors of several sensors being ripped off and they are gone. I am trying to re-wire it the sensors, but I am not sure which wire goes to which sensor since the plugs are gone. Here is a picture to show you what I am talking about: I...

I have installed a wideband o2 sensor in the downpipe right after the turbo. I have a custom turbo setup with an external wastegate opening to the atmosphere. My question is this: How much is it going to throw off the readings when that extra exhaust is dumped? Will it still read...

I recently installed a MAFT and MAF in blow-through setup on my 1990. The turbo is a Garrett T04B on a manifold adapter. I have 2.5" custom hardpipes going to a spearco IC and a HKS SSQBOV. The installation was straitforward, and the car started and ran fine after the initial adjustments...