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Where's "Thor maine"? OK, I'll be his surrogate here.
We all should be running Chevy's, specifically the LSx series. Next time I'm running a "real" engine in my Cobra. :D |
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I think the weight of the Pond cast iron block would probably be an aberration. It's cast heavier in many spots and as a result, will hold 1000+ hp and will take a 4.400"+ bore size. Keep in mind that going from that factory standard 4.233"-4.250" bore size to a 4.310"-4.375"-4.400" bore takes out a LOT of weight....
I have a factory 427 S/O block here, I think they weigh somewhere around 195 lbs. |
Three words for porosity issues... Vacuum Casting Impregnation. The OEMs use it quite often on their aluminum castings. I used it on my Dove 2x4 Tunnel Wedge intake. Dove pretty much invented casting porosity, lol...
The VCI process is a wondrous thing. The item (block, intake manifold, alloy trans/differential housing etc) is placed in a vacuum chamber and the chamber is drawn down to about 50 microns (29.86" of vacuum or there abouts). The vacuum is then broke with a highly viscous, permeable and hardening fluid. Since every minute and not so minute pour is under vacuum too the fluid fills the voids completely. The fluid after hardening is completely durable and good to any temperature that the aluminum itself could stand. It will last as long as the part does. On the down side, all machining must be accomplished prior to the process. For a block the process would be around $200. Volume draws down the costs too. Just a technical tidbit that may or may not be useful. |
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It's been interesting to see the priorities and selling points from the customer side. Should have made this a poll, but it looks like the majority of guys looking for aluminum block builds are in it for the bling. |
Bling. The 150lbs weight savings is a big deal. Go to a gym. Take 3 45lbs plates and a 25lbs plate and strap it to the front of the car and tell me you can't tell the difference. Weight matters. Even if you're not racing. These are not daily drivers so why not build them like a race car. But you're right. If you don't want to build aluminum fe's dont. The next guy will. Just be up front when you make that decision with the customer, in the beginning.
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That may be a compelling argument if the engine were in the very front of the car.
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If it were 100% viable, it may be an option.
However, I don't want the hassle. I can make money on other engines that don't require the same amount of risk, or extra steps. |
Alright, I'll still buy you a Porterhouse at 21 Club.:cool:
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Weight does matter. I didn't buy the alloy block for bling. I bought it for the increased gas mileage. |
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Just to stir the pot a bit, if some of you really are that concerned about the weight of your car, how about the weight added when you stuff yourselves into the drivers seat.
From reading many of these posts in the past, I get the feeling that some of you can barely fit behind the steering wheel. Just think, if you had an aluminum engine AND brought your weight down to your table weight. Some of your cars could get 300-400 lbs lighter. Think of the performance gains. I normally drive with my wife in the car. She weighs in at 123 lbs. when I go on a solo drive, without that extra 123 lbs in the car, my car becomes a whole lot faster and scarier to drive. Just sayin! |
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They might not be faster than ,"slim fit Jim", but they still feel the difference. Ps. Nothing wrong with a little "bling", it's not a dirty word. :p |
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Do they have vegie burgers? |
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