I'm certainly willing to give a rust remover a try but I've had really good success with various rust remover products on my 72 Buick. I did the brake drums with a rattle-can por and the front of the frame with brush-on POR-15. I've had mixed results with the various rust removal products I've tried.
Since my last post progress has been slow. My main hangup has been on my engine. I wasn't totally sure what I wanted to do when I started the build and i've been figuring it out along the way. I recently acquired a stock rebuilt 287 head from GLHS60 which is super exciting. I disassembled my turbo to see if it was rebuildable. After getting it all apart I decided a turbo rebuild is above my head, especially without any way to balance the rotating assembly. Currently I'm trying to choose a head gasket. I've been impressed with what I read about cometic's headgaskets, but I'm overwhelmed by the options. I'd like to keep compression at 8.5:1 but without knowing the head gasket bore diameter and the cc volume of my g-head I'm not sure how to reach that number. Some searching hasn't helped me find these numbers. does anyone know these?
I've decided I want to do the PT lifter upgrade on my head, find a new cam (my '87 slider is badly worn and unusable), find a turbo, and then it's assembly time! My main concern on assembly is the vacuum system. On disassembly nearly every single vacuum line fell apart. I still have the remains of all of them but I'm unfamiliar with vacuum systems. I've decided to use the stock electronics for now, at least until I get the car running. I've never heard the car run and I'm anxious to drive it for the first time!
I also got the fourth wheel for my set of Italian 5 lug pizza wheels and I'm now searching for a shop that will refinish and widen the wheels. Has anyone ever widened stock wheels for these cars? I'd like to make them 15x6.5" so that I can at least run stock size for the Shelby Z.
Finally, I started doing a little interior work. The cloth doors were all screwed up from heavy water damage so I've decided to redo them in a dark marine vinyl. I'll post pictures once it's all finished.
No, I have no desire to increase compression. What I want to do is keep my compression ratio close to the stock CR (which I read somewhere was 8.5:1). To do that though, because so much on my engine has changed from factory, I wanted to know the cc of the G-head and the bore diameter of the factory head gasket. The cometic gaskets come in a variety of compressed widths and I want to buy the size that will give me the closest to stock CR as possible that way I don't have to use a head shim.
I wasn't able to find this information easily on the forums so I thought I would ask here in case somebody knew.
remember too that the pistons changed along with the combustion chambers
that larger G head chamber went along with a smaller dish in the piston
the smaller swirl head chamber matched up to larger dish in the piston
the later 2.2 and 2.5 used an even larger dish in the piston again
it's this last item that I feel makes tuning a G head on a 2.5 difficult
and if the 2.5 starts at 7.8 -1 then putting the G head on will only lower it again somewhat
- though I think the tuning issue might be a flame propagation issue due to the chambers and pistons not matching properly
I've run both small dish and medium large dish under a G head with no notable difference.. but never the really large dish
those really large dished pistons look like they could lack much ot the strength the small dish piston might have beyond them .. when considering the piston area above the top rings , and how much the dish is cut to almost the inner diameter of the rings
Didn't see this thread till now. Too bad, I would of suggested going with a 2.5 bottom end on that thing. One of the best upgrades to my 87 ShelbyZ I ever did. Much easier to drive. Still just as fast. Loves air flow mods. Out-revved the 2.2 it replaced at the track.
Car is done and runs great! Auto 2.5, I used a 93 flex fuel computer from a 2.5 auto spirit, flex fuel distributor but a turbo one would work fine, flex fuel rail and FPR, T1 injectors, T1 one piece intake, used my DC ported/ big valve G-head with roller cam, comp beehives, Ti retainers and pt...
Well after 3 months mending, xrays showed torn ligaments each side of ankle not healed, 2 fractures not healed. They want to do surgery but my heart condition says no. Looks like I won't be puttering around my car soon. On a plus side, got the heating cable back in the water pipe, water now...
I had started by posting some items in the K-car and LeBaron areas, but after some thought figured maybe the whole project belongs here rather than all over.
T2K-CAR is the Virginia tag that was on my 1985 LeBaron Mark Cross convertible. It started life as a 2.6L Mitsubishi powered car, then...
Well my progress has been very slow, going for xrays again Monday. Still have a lot of swelling and pain and cannot walk very well. Secured a winter job for plowing and removals so I hope to have a little money to spend on the Rampage. In the interim i have gathered some items I need others yet...
Hey folks, recieved a car I've never looked for in trade the other week, and ive fallen on love with it a bit! I've had a few other 1980s sports cars (1986 Porsche 944, 1982 supra) but never a domestic! So with that being said I'll let you know what I'm doing! The car is an 86 turbo z cs edition...
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