v8 astro
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heres mine http://www.astrosafari.com/viewtopic.php?f=9&t=130
Danny
Danny
Joined
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37 Posts
There are some of us kicking around here still. :layrubber:
Rocke
Rocke
Joined
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1,180 Posts
Not bad, I'd stick to the "Vortec" 305 or 350, plausibly the 7400. That will solve a lot of the ECU and electrical issues, and make a "production" looking swap plausible. Besides that a set of Hedman headers would fit, even though you may look for something a bit more durable than the 68600s. I would also give consideration to a 5.3L/6.0L. While not absolutely accurate, based on the information I've found they only weigh about 10lbs more than a 4.3L V6 versus the 100-125lbs of a Vortec 350. The ECU is also more customizeable and the 5.3Ls are probably going to be easier to get for a certain price.
Joined
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238 Posts
stock 350 out of a 89 Burban and rebuilt by me with 0 experience at rebuilding a motor. and she runs!!
here she is: http://www.cardomain.com/ride/2679937
here she is: http://www.cardomain.com/ride/2679937
Joined
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238 Posts
Stock 5.7L chevy out of a 89 suburban, TBI injection. Ordered motor mounts and exhaust manifolds for V8 swap.
Bolted right on to the automatic transmission. My van is a 1989 cargo.
Same radiator but went to electric fan with a controller. No overheating. For the exhaust just take it to a trusty shop, one that won't bitch about doing custom work. On the exhaust I think the hardest was to do the "Y" where one side of the motor exhaust connects to the other. And for this just buy a prefabed part.
The way I see it, if I could do the swap in my driveway, anybody with a little mechanical skill can do it. In fact, the rebuild of the motor is what caused me problems. Once the motor was done it was smooth. My next swap will be for a newer motor that is a turn key package.
The only problem I have had twice is burning spark plug wires that are running to close to the exhaust manifold. The third time I rerauted them and that did it.
It's an easy swap, just follow directions and don't cut corners.
Bolted right on to the automatic transmission. My van is a 1989 cargo.
Same radiator but went to electric fan with a controller. No overheating. For the exhaust just take it to a trusty shop, one that won't bitch about doing custom work. On the exhaust I think the hardest was to do the "Y" where one side of the motor exhaust connects to the other. And for this just buy a prefabed part.
The way I see it, if I could do the swap in my driveway, anybody with a little mechanical skill can do it. In fact, the rebuild of the motor is what caused me problems. Once the motor was done it was smooth. My next swap will be for a newer motor that is a turn key package.
The only problem I have had twice is burning spark plug wires that are running to close to the exhaust manifold. The third time I rerauted them and that did it.
It's an easy swap, just follow directions and don't cut corners.
1 - 9 of 9 Posts
