1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

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Old 02-28-08, 01:41 PM
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I wanna go fast

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new to the FB

ok so here is the story, i bought an 85 gs from a storage facility auction. i wasn't allowed to inspect the car prior to the auction, except the exterior. I was willing to spend $500 and that ended up being my winning bid. The exterior is exceptional, olny 2 noticable dings and 1 small scratch. However, the engine is seized. There are 206k miles on the car and previous history is unknown. all fluids are full and nothing seems to be discolored etc. The car sat for a year at this facility and the last tabs it had were 91. I sprayed some power foam in it last night but havent checked it yet.

My questions honestly what are the chances (in your opinion) that the motor is any good? What would you do in this situation? what are my options should it be toasted? i have searched and read all articles pertaining to bringing it back to life but wanted some opinions on options as i know the 12a seems to be a dying breed. Worth rebuilding? pretty much the last thing i wanna do is mess with another turbo swap.
Old 02-28-08, 01:46 PM
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Look in the FAQ on procedures to use various juices to attempt.

But with 206 it's likely that you'll need a rebuild or roller. I.E. buy another running and have a rolling parts store. Or send the core for rebuilt exchange / rebuild yourself if your brave and have the means.

Anything over 100k on a factory engine is gravy. They can go anytime past that by either blind luck or hard drive etc. The 200k+ are the
lucky ones that kept the oil clean.
Old 02-28-08, 01:47 PM
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Well Try to safetly free the engine, and if your happy with it, run it... If not, swap in another engine.. heck why not take the engine apart and port it and buy some new parts to fix whats wrong.. alot of options
Old 02-28-08, 01:52 PM
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If it's factory and 206k then there is a good chance it will need lapping.
Old 02-28-08, 02:37 PM
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I wanna go fast

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i do have the means/skills to rebuild but i just got a little scared when i thought about the fact that its getting hard to find a decent core and with the price of new housings being like 450 a piece, this would get pretty damn expensive (which is why my turbo fc projects have slowed down considerably). I think i need to stop feeding my rotary addiction and fix the bastards i have, but i have a hard time turning down a seemingly good deal (and this one was damn pretty). thanks for the info... too bad it just confirmed my fears, another money pit.

Im gonna be real good at rebuilds here pretty soon!
Old 02-28-08, 03:18 PM
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thanks for the info... too bad it just confirmed my fears, another money pit.
is there any other type of rotary.

If you do any racing of any form, or plan to with this car. Check out www.mazdamotorsports.com you can save some serious money




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