How do I do a mechanical pressure test?

I got a 96 gst auto. After a long wait I finally got the junkyard gst on the road. I rebuilt the engine and when I did I opened up the oil pump and inspected everything and it looked good. I just did another oil change, I think 10w-40 bc when this started I figured I had thin oil from the break...

I've been on ecmlink forums and we figured out what's goin on but now I gotta narrow it down a lil more.Ok my car runs good for about 10 mins. Then starts cutting out. My fuel pressure is base at 43.5. After 10 mins my fuel pressure drops to 25 psi. When I rev up the engine and it boosts...

Ok guys I think I found a significant problem with the Car today took it for a test run and then whenever I got back after it started stuttering n messing up I sat in the Car n Played around on link for a while started hearing the fuel pump make a few noises and fluctuating up-and-down on it's...

heres a log of whats ts doing.

Ok it's still cutting out so I swapped the stock ecu back into it. Same thing. Base fuel is 43.5

I'm getting a lot in knock threshold but what would I log to watch for knock. Knock raw?

Does the idle switch talk to the trans at all?

I'll check temps around lunch. Yes I did 2 blt only found my bov leaking at 28 psi so I tightened the adjustment and it stopped. Pcv valve leaks a lil at 18 picking on up today but problem even happens ar stock boost

It will do it at 10 psi as well and it will get so bad that I won't even be able to boost. Full throttle will just stutter and mis at 2000-2500. I've tried 3 sets of plugs. Now running brand new NGK 7es all gapped to .28 this last set gapped to .25. Tried 2 different stock maf I'm running an evo...

I got a 2g auto. When I first crank it up to tune a lil. It runs pretty good pulls strong . runs through the gear all the way through the RPMs. But after a few pulls it starts to run like crap feels like it's hitting fuel cut starts redlining and 3500. Seems like the more I drive it the worse...

Ok so what's the exact fluid I should put in it? I'll have a transfer machine do it so it changes the torque converter as well. And how man quarts

How do I turn up the line pressure. I had 2 cases I used it on 3 different cars.. I get it up to op temp then check it with trans in neutral

Did u ever figure this out

I didn't take it all apart just cleaned everything. I had 2 cases of fluid. I filled it and then test drove it then had to add a lil more. it is full as of now. it drove perfect until a few days ago. ive checked the fluid level multiple times and its completely full.is there a linkage...

Still runs like crap. Cuts out at 2500 I tried everything then I reset everything and checked the use non 95/96 cas and it's now back up to cutting out at 4000. Right when I started test driving it it was running great today. Then started to get worse. Then I checked that cas box and it still...

Can't remember but I was a quart low after a few test drives so I added a quart of +4 and a tiny bit more lubegaurd

I used the royal purple bc I read a thread on here that said it was the best to use besides oem mitsu fluid. The service was I had the trans out bc I was rebuilding the motor. I changed the filter with a O'Riellys purchased one. Flushed the trans out cleaned it, painted it. Refilled with fluid...

I did a trans service a few weeks ago. Took the car out for numerous test drives. Test drove it to the shop about 30 miles no issues. Tuning the car now so past week it's been up the road and back. Yesterday it started acting up. When in park it's fine when I shift it into drive or reverse I let...

Im in the Knoxville area and am in need of some help tuning my dsmlink. I got a big shop we could work in. My guys don't know DSMs so I need another head to dig into this thing that understands these cars.

Ok I opened up dsmlink to see about tuning in the fuel a lil more. Right before my laptop died I noticed the "use non 95/96 style can angle sensor) box was checked. Uhhhhhh don't know how that got checked but anyways I got a 96 and I use the 96 at cam cas. So I unchecked it and saved to ecu...

Ok I took the junkyard gst to the shop so I could paint it. This is the first on road test drive. When I first started driving it ran fine. After a few mins it would only hit 3500 rpms and would start breaking up like it's hitting fuel cut off. I don't have my boost controller tapped in bc I...

Idle stays around 700-750. But will the shake be completely non existent while in park and 100% when in gear. I mean it vibrates a total 0% while in park/neutral

Hey guys I'm moving this to the proper section.Ok I got a junkyard gst that I rebuilt. It's a 96 gst. Only upgrades that might affect this is poly motor mounts and I have dsmlink as well.So I got her running she purrs like a kitten in park revs perfectly and blows off. But once I put it...

Ok I put a non cruise cable on today and started her up to test it. It runs a lil over 800 then I shift into any gear and it starts to run rough until I looked at the gauges. It's running at 750 rpms. I don't think the motor is running rough. I think it's shaking really bad. I have brand new...

My isc motors check out as normal. And my biss is adjusted properly. But is the isc moving fully like it should that I do not know but when I was setting it with link it showed it moving with adjustment with the biss. I am waiting on a new throttle cable so until it gets here I'll go ahead and...

Yes and it found the leaks at the tb that's why I rebuilt it. The car idles perfectly. Like absolutely perfect. Revs great but once I shift into drive or reverse the rpms drop and stays low and bought dies

Yes I have dsm link and I locked down my fiav. My isc seemed to work fine when I was setting my biss but I will pick up a replacement. Is the isc the only thing that adjusts once the car is put under a load?And the tps was set when I rebuilt the tb but then double checked it with link after...

Ok did a search and got nothing. I got a 2g junkyard gst build. Complete rebuild and it idled like crap. After a complete TB rebuild she purrs like a kitten........... Until I put it in gear then it drops rpm and runs like a dying cat having a seizure.

the coolant system is full. I went out to let it bleed. and the whole time it ran it didn't surge but the idle was still at 1900. another annoying thing. is when I touch the throttle even a tiny bit it revs up to 3400 super fast and stays there for a good 3-4 seconds and then very very slowly...

ok I just got done with my 2g junkyard gst build. I had a crazy high idle and surge like 1700-2500 surge, I couldn't get it to come down. so I turned the biss screw in and it stopped surging and just had a smooth high idle at 1700 rpms. so I did a boost leak test and fixed a few leaks. all very...

Not the brake level. I removed the plug from the resivior and jumped it. Maybe the ecu caught it when I bolted it down.Thought IDE share. I did some more searching and found multiple people that had this problem. I guess I forgot to mention the battery light is on. They all said it's the...

I'm leaning towards the short. But no I haven't driven it. I got this car out of a field from a 4 year parking spot. Me and my kids were rebuilding the whole car. But I got about an hour left of fixing a high idle/ surge then I'm ready for the first test drive.

It's used. I got it in a big trade of parts and figured IDE try to put it to good use. But u make a very valid point. But the battery voltage thing...... Is it not a good timer?

I did remove the console. And looked at the switch. I tested the switch with a test light and a voltmeter. The switch itself is working as it should. I even disconnected the switch and manually grounded the wire. It makes the light brighter but the light doesn't turn off. I just got done with my...

I have a apexi turbo timer and the inline harness for the 2g. I have the o2 wire tapped into pin 76 at ecu, the ground wire to chassis, and the grey wire to my ebrake wire. Everything works perfectly, except when I lower the ebrake it doesn't abort the timer. If I try to ground the wire manually...

My parking brake light won't turn off. When parking brake is pulled up the light is bright. When parking brake is down the light is still on but dimmer. I pulled the center console and tested the wire for the brake. It is working perfectly but it's back feeding a small ground. But I disconnected...

Ok I got a killer deal I traded a nice revolver for dsmlink v2 and maft and poly motor mounts. He's also got a 255 and afpr, fuel rail, and steel braided kit I'm about to get so now what injectors? I still have factory internals for 350 is still my max till I build a 6bolt

......... Ebay

Ok I have a few questions A quick run through of my car. 96 gst auto. I have a just rebuilt 7bolt all factory internals. I did 3G revised lifters, an evo8 front mount intercooler, a big 16g with aftermarket ported o2 housing and manifold, I will be getting an intake tube and upper ic piping. I...

Is JDM T3/T4 .63 trim a crap Chinese turbo or is it a good brand

10-4 so even $75 is too much. So what about those $200 16g turbos on eBay. They not worth anything either?

I have the opertunity to get a evo III 16g turbo guy says it blew the exhaust seal but has no shaft play. Can u blow the exhaust (oil I'm assuming) seal? And not have any other damaged internals? What rebuild kit is required? Turbo doesn't have a brand name just dsm-evoIII on it. I'm doing a...

Question. If the waste gate has a 15 psi spring in it won't it be forced open at 15psi no matter what?

I pressure wash, degrease and then paint the block everytime I have a motor out. I think a clean motor is a happy motor. and happy motors run better. I just use the high temp rattle can paint. But yes some kind of sealer is required after its tanked bc it's bare metal and will surface rust.

New tensioner is in. On a another note I compressed the one that I had to assist and it extended perfectly after that. But I still don't trust it. So I'm replacing it anyways. But is the crank mark correct?

Got a replacement one on the way. And I'm makin a tension tool out of all thread so ill give it another shotIs this the correct timing mark line for a 96 7 bolt

It's tight. Super tight. But ## saying the arm is extended too far. Ok ill reset it.

I'll post a pic. It extended a lil but the belt had a lil slack so I pushed it up to get the belt tighter. What's the belt deflection spose to be?