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Re: aluminum block on the street?
[Re: mickm]
#1543841
12/05/13 06:54 PM
12/05/13 06:54 PM
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Joined: Jan 2003
Posts: 13,380
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,380
Marion, South Carolina [><]
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Quote:
so what are the advantages/disadvantages to aluminum blocks other than weight. and the cool factor? 
Advantages...lighter weight, can be repaired if damaged, can be resleeved.
Disadvantage...higher initial cost. Supposedly an aluminum block won't make as much power due to cylinder instability and heat dissipation, but that depends on who you talk to.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: aluminum block on the street?
[Re: fullmetaljacket]
#1543843
12/05/13 09:53 PM
12/05/13 09:53 PM
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Joined: Aug 2003
Posts: 43,252
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,252
Bend,OR USA
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Quote:
Especially if you are a true 9 second street car. Good combo you have there to be in the single digits and cruise the streets.
My pump gas 9 second(high 9s at the track, corked up on pump gas, motor only) 3450 Lb Duster had a old cast iron 400 block with four ductile iron sleeves in it and the deck brazed up, it always leaked down good and made plenty of power  I have always heard, and shared, that if your running a N/A motor and want the best performance and have a choice, like in NHRA Pro Stock, use a Compact Graphite Iron block, if those are not availble ( especially for all us poor Mopar racers and engine builders) use a plain old cast grey iron block  
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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