Aluminum? What is the benefit of going to an aluminum block, other than weight reduction? I am shopping around for engines, and have it narrowed down to 2 of them, one being mostly aluminum. If the only benefit is weight, how much does it actually save? Enough to validate the extra 4,000 increase on price? |
Re: Aluminum? Weight savings and 'cool factor' are the only real benefit of an aluminum block over iron. IMO, its not worth an extra 4k. |
Re: Aluminum?
Originally Posted by Air_Adam
(Post 4870208)
Weight savings and 'cool factor' are the only real benefit of an aluminum block over iron. IMO, its not worth an extra 4k. No other but weight benefit...rather a huge bother, you have run completely studded engines...right mr. nitro? |
Re: Aluminum? Weight loss, as well as a cooler running engine as Aluminum is a better heat conductor. Its cheaper to get an LS1 in there than to build up an aluminum block SBC I'd say. Then you also get all of the engineering bonus' built into the Gen3 engines as well. Most ls1 guys who go to an iron block gain about 80lbs. |
Re: Aluminum? That's not a whole lot of weight savings... but I was looking at getting a 540ci, not a SB... either way, sounds like a waste of my money. Thanks for the advice fellas. |
Re: Aluminum? Combine that with aluminum heads and the # goes near 150lbs. With a huge deal. |
Re: Aluminum? http://www.ultrastreet.net/engines/5...treet_lite.asp There she is. Seems steep on price to me tho, compared to an identical one in cast iron w/aluminum heads for $8700... |
Re: Aluminum? No thanks, i would rather step up another couple hundred horsepower than lose 100 pounds. That's like 2 golf bags of weight. It might affect quarter mile times by a tenth of a second at most. Only diesel engines should make more torque than horsepower. A gas engine isn't trying very hard if thats the case with it..:) Happy shopping! |
Re: Aluminum? To you maybe not But to someone in Auto-X or road racing that 100lbs off the front might be worth TONS. Combine that with other weight loss and that can have a significant positive affect on handling. |
Re: Aluminum? do what i did, paint the block silver and tell people its aluminum....:D |
Re: Aluminum? I don't plan on doing any auto-x or anything like that, I'd like to hit the drag strip a few weekends a year and still keep it streetable. I was told by a co-worker to not go too high on HP or the car will be worthless for long road trips due to overheating. I figure 6-700HP should be good then? |
Re: Aluminum?
Originally Posted by Thirdgen89GTA
(Post 4870973)
To you maybe not But to someone in Auto-X or road racing that 100lbs off the front might be worth TONS. Combine that with other weight loss and that can have a significant positive affect on handling. |
Re: Aluminum? Just invest in the new Ls7 & a little NO2, take that to a shop that really knows what they are doing (corvette specialist). You really don't sound like the engine building type, more a dreamer that reads too many magazines. |
Re: Aluminum? I just think its pointless to buy a Gen 1 aluminum block, because the LSx engines already have aluminum blocks (LS1, LS6, LS2, some others as well) and are a MUCH better engine than the Gen 1 engine. An LS1 take-out also costs a helluva lot less than an aftermarket Gen 1 aluminum block does. If it was an aluminum BBC, that would be different.... but if you're talking Gen 1 small block, I say forget it and go LSx. Cheaper to do, and you'll end up with a better engine to boot. |
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