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The project GN I purchased last year came with a bunch of extra parts one of them being a FMIC Spearco intercooler from the 84-85 hotair conversion kit. Im planning on a 4.1L Budget Build so my question is, will this intercooler be sufficient? I am still debating on which turbo to run. Below...

Hello, Anyone from the Houston area traveling north? I have a sale pending with Charlief1 but no way to go and pick up the item since i will be on this current work assignment for the next month or two. So if anyone is traveling through Waco or Dallas and wants to help out a fellow GN owner let...

I found a '291' block a few weeks ago at a junkyard and this past weekend a buddy of mine cleaned it up and magnafluxed it for me. To my dismay 4 cracks were found all of which are between the water jacket and bolt holes. Is this block just a 200LB piece of scrap metal now? Is there any other...

Im currently begining a 4.1 project and Iam having trouble locating the timing cover from a 14 bolt engine but i do have 2 20 bolt covers sitting in my garage. Would I be able to use the 20 bolt cover on the 4.1 as it is or are there some modifications that are required. :confused:

I purchased a project GN about a month ago and now im finally starting to work on it. Earlier today I got crawled underneath to see how bad the situation down there was and i noticed that it has a Dana 44 unit. It left me confused because i thought GNs came with the GM 10-bolt :confused: Can...

I found a 4.1 today at the junkyard, its the "291" casting so i wanted to take it home for my project but when I pulled the drivers side head off (to look for overbore numbers) I saw some unfamiliar markings. On top of the #1 piston there was a "5" On top of the #3 piston there was a "5"...

Yesterday I received a used ECM I purchased online for my '85 and when I opened it up the chip set had an orange sticker that reads "Mag-84" I tried to dig up some info on it but couldn't find anything, has anyone here ran into this item?