![]() |
![]() |
|
|
#11 (permalink) |
|
Like a Rat out of Water
|
It's here
![]()
__________________
1991 3000GT VR-4 - 13T, 550cc, E-manage, Walbro 255, AEM FPR
1991 3000GT VR-4 - These cars are addicting... 1991 3000GT SL - Spare parts/Test car |
|
|
|
| Sponsored Links | |
Advertisement |
|
|
|
#16 (permalink) |
|
Like a Rat out of Water
|
A little back story on the car - The second owner (a doctor according to scattered receipts from the interior) drove the car pretty regularly (according to CarFax and the mileage from each inspection) and when it started to develop some kind of strange noise in the valvetrain, he took it to a dealership. The dealer told him there was something wrong in the rear head and that it would need to be removed, inspected, and repaired. Total cost of the job was going to be a quite a bit. The end result was the doctor just left the car at the dealer (and probably decided it was time for a new car anyway). After a few years of sitting in the dealer backlot, they claimed an abandoned car lein on it and after some paperwork, received the title for the car. A member on these forums, turbot4, ended up knowing someone at the dealership and was able to snatch up this diamond in the rough (I hope) and bring it back home. Unfortunately, turbot4 really didn't want the car (but probably couldn't pass on the good deal), so he immediately flipped it to me.
Now, I never got to hear the engine run, but I was able to listen to it crank over many many times and it was definitely hitting on all six pretty evenly. So either all the cylinders have the same crappy compression, or the engine is actually good (I'm hoping for the latter). So instead of me just diving into the rear head, I chose to check the engine timing and do a compression check first to get an idea of how the shortblock is holding up. I noticed that the intake cam on the front and rear head were both one tooth off (uh oh), but I'm hoping thats as far as it jumped. I also don't really know if it has been out of time for a while or if this was something recent that happened with either the dealership or with the previous owner. Removal of the lower timing belt cover revealed a lot of old, rusty parts. The tensioner has rust all over it and most of the pulleys on the car are also covered in rust. The belt was also dangerously loose, so I'm probably going to remove the tensioner, put it in a vice and hose it down with liquid wrench or something similar. I only plan to use the tensioner to do a compression and leakdown check. If everything looks alright with the shortblock, I'm going perform a full 60K service on it and call it a day. By doing this, I'm kind of assuming the oil pump and bearings are good, but if it turns out that they are not, I'm going to have to pull it all apart again ![]() Anyway, here's what most of you came for anyway: ![]() You can see the nice dent in my other VR-4 here ![]() ![]() ![]() ![]() ![]() |
|
|
|
|
|
#19 (permalink) | |
|
Like a Rat out of Water
|
Quote:
Edit: Fixed compression tester...gauge was leaking, teflon tape fixed that. Compression numbers on a cold engine: 1 - 150 3 - 145 5 - 150 2 - 160 (Seems kind of high relative to the other numbers) 4 - 150 6 - 150 I can't quite figure out what this weird sound is. I'm going to take a video of it while my roommate cranks the engine over and see if anyone else might be able to pinpoint it. Last edited by Wombat : 03-25-2008 at 02:13 PM. |
|
|
|
|