Weights of LS Blocks
#1
Weights of LS Blocks
Used our electronic shipping scale, all blocks are standard deck height with main caps in place except for Dart Billet which is raised deck:
LS1/2...........106
LS7..............107
RHS..............110
Dart Billet......128
6.0L Iron.......216 (weighed another block and changed this; first block had some weight added in the deck)
LSX..............230
LS1/2...........106
LS7..............107
RHS..............110
Dart Billet......128
6.0L Iron.......216 (weighed another block and changed this; first block had some weight added in the deck)
LSX..............230
Last edited by Reckless; 06-15-2012 at 08:38 AM.
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99 Black Bird T/A (11-18-2022), Homer_Simpson (12-06-2021)
#3
#5
Yeah, everyone has generally accepted the alum/iron diff was about 85 or so, but now we know.
Hio - I would thin near the LS7 within 10 pounds. I don't have either of those around the shop. I do have an ERL modified 5.3 aluminum block, maybe I will check that one after lunch.
Hio - I would thin near the LS7 within 10 pounds. I don't have either of those around the shop. I do have an ERL modified 5.3 aluminum block, maybe I will check that one after lunch.
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Hey Guys,
I know my method is probably not as accurate as Kurt's shipping scale, but I weighed a stock LS1 block (with main caps in place) awhile back. Here is a picture:
I then weighed a stock LQ4 block that I am using to replace the LS1:
The difference was almost exactly 100 lbs.
Here is how I was weighing them:
I know my method is probably not as accurate as Kurt's shipping scale, but I weighed a stock LS1 block (with main caps in place) awhile back. Here is a picture:
I then weighed a stock LQ4 block that I am using to replace the LS1:
The difference was almost exactly 100 lbs.
Here is how I was weighing them:
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Joshua Grisolia (03-09-2020)
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TURBOPOWERED68 (04-04-2020)
#12
#14
I'm not coo.g to complain about the extra weight of the iron block....but good post, I had always been told 85-87 lb difference too, but what's 25 more pounds when your talking insurance lol
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guessohw (12-21-2020)
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The extra hundred pounds is a lot but I think the extra power would make up for it. Isn't the rule of thumb every 100 pounds lost is like gaining 10 HP? If so, that 100 pounds in the iron block is well worth it for the extra power and strength. For an auto X car it may not help with the extra weight on the nose. But for the street and drag racing it should be just fine. And there is plenty weight saving stuff you can do like mentioned above - tubular k member, tubular control arms, A/C delete, battery relocate, etc