Advantages/Disadvantages of Alum. SBC - Team Camaro Tech
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post #1 of 8 (permalink) Old Sep 20th, 03, 08:58 PM Thread Starter
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Dylan
 
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Just curious what you guys know to be the advantages and disadvantages of having a streetable aluminum block sbc. Obviously weight advantage and price disadvantage but is there anything else. Do they run hot??? Any ideas? Thinking like a 410 SBC in my 67 camaro, sorry I just love sprint cars so thats where the displacement number comes into play. Thanks guys!

1967 Camaro RS
#'s Matching 327-210 HP
Holley 700 Double-Pumper
Polished Air-Gap RPM Manifold
1.94"/1.5" Vortec Heads
6-Speed Viper T56
3.73 10-Bolt Posi
and bald rear tires
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post #2 of 8 (permalink) Old Sep 21st, 03, 02:24 AM
 
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The mule uses an aluminum block. I wonder if Clill can shed some light on this subject.
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post #3 of 8 (permalink) Old Sep 21st, 03, 06:17 AM
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The modern aluminum blocks don't have a lot of disadvantages. Cost would be one. They're completely streetable, at least the ones with water passages! The only big difference I notice when setting them up is in the valve adjustment area. My aluminum blocks have required .012" to .015" tighter valve lash when cold than hot due to expansion. So they're a little lumpier when cold for sure. Other than that I had no cooling or other issues.

Jody


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post #4 of 8 (permalink) Old Sep 21st, 03, 07:41 AM
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General motors is using aluminum blocks now, i think that says enough for streetablity
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post #5 of 8 (permalink) Old Sep 21st, 03, 12:00 PM
 
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Go look up RickWI over at either Team Chevelle or SGCOG b/c he has an aluminum 454 SB and six-speed.. He might even be here at times???

Super nice guy and probably just love to tell you about it..

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post #6 of 8 (permalink) Old Sep 21st, 03, 12:10 PM Thread Starter
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Dylan
 
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I've been reading about those 454 Small Blocks, a lot of the magazines have had articles on them. That has to be pushing the limit on those blocks, hopefully they don't blow the motor too bad otherwise someone's going to be pitching a $4000+ block in the garbage can. There can be almost no room left in them for a rebuild. About how much weight do you think you shed when you go from cast iron block/heads to aluminum block/heads. Betcha the car handles better afterwards!

1967 Camaro RS
#'s Matching 327-210 HP
Holley 700 Double-Pumper
Polished Air-Gap RPM Manifold
1.94"/1.5" Vortec Heads
6-Speed Viper T56
3.73 10-Bolt Posi
and bald rear tires
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post #7 of 8 (permalink) Old Sep 21st, 03, 03:57 PM
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RAY
 
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What about stripping a bolt in an aluminum block? Any info about the Merlin SBC and BBC engines?
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post #8 of 8 (permalink) Old Sep 21st, 03, 04:56 PM
 
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Just heli-coil it and go on...

Don't know anything else on what you asked.

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