Which GM Crate Motor
Ok, after talking around I've come to the conclusion I am just getting a new crate engine from GM for my 87 with TBI. It has a 350 in it, so naturally I'm going back with a 350. Looks like I can get a plain jane stock replacement, with ~180ish horsepower. Yawn.
What issues would I have stepping up another few 100 bucks and getting the 290 horsepower? I'm thinking the stock injectors will be stout enough, can reuse stock intake and distributor (I think?) as far as I can tell. I'm eager to get the engine done and get a 350 transmission in it. Give me you ideas. ;) I can get this in my door at ~$1999, that's not even a full $100 more than the bone stock replacement. Quote:
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Re: Which GM Crate Motor
You will have to open up the 2 center holes in you stock TBI intake to work with the older head.
This is the same engine I have in my crew with TBI. it runs good. I'm about to swap in an 88-98 rear diff with 3.73 gears. It ought to be fun then ;) |
Re: Which GM Crate Motor
Ok, what does that involve? Easy as a drill and a bit, or take it to a machine shop and have something done? I'd like to have all my ducks in a row and ready, so when I get the engine dropped off we can tackle it in a day. I do have an extra 350 TBI sitting in that parts burb, so I could take the intake off it and go have it worked if needed I guess. Or is there an aftermarket intake that would be better to use?
But it will work, this is exactly what I was wanting to hear from someone. Surely 290 horses will be enough to make me happy. |
Re: Which GM Crate Motor
the intake I used the holes were just wallowed out with a drill bit into an oblong shape. I didn't do it, it was done by the guy I bought it from, he was running it on an older small block. a bur bit in an air grinder would probably work well.
if you look at the TBI intake you will see the middle 2 bolts are more vertical than the others are due to the angle of the holes in the TBI heads I was thinking about getting my other manifold milled so it was cleaner. It is going on the wife's '66 when we get it back together. I personally love the GM TBI for reliability and fuel mileage. |
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