5.3 bored to a 5.7
5.3 bored to a 5.7 What do you think about this.. I want to do a LSX swap in my 240SX. LS1's are too much for me so thinking about the 5.3. Then later down the road boring it out to a 5.7 and later maybe a turbo or nos. The iron block should hold up better. Just looking for around 450ish N\A with it being bored out. Do you think this is possible? Just throwing ideas out there. Thanks for reading.
You may find it difficult to get to 450whp N/A even with the 5.7 without spending some cheddar or going wild with the cam
If you dont care about the cars street manners.. 450whp is only a crazy cam and a fast intake away
Launching!
Joined: Jun 2005
Posts: 209
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From: KCMO
Can someone post the link to the difference in physical blocks (sizes) please? Im just wondering what the difference is between the 4.8, 5.3, 5.7, and 6.0. I searched yesterday and found the specs on the 5.7 only.
I read yesterday that you can only bore the engines out .010 or so. Now seeing this post above makes me wonder.
Chris
I read yesterday that you can only bore the engines out .010 or so. Now seeing this post above makes me wonder.
Chris
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The aluminum block has iron sleeves and can only be bored about .010". I'm not sure about the iron 5.3 block.
Re'
Re'
Can someone post the link to the difference in physical blocks (sizes) please? Im just wondering what the difference is between the 4.8, 5.3, 5.7, and 6.0. I searched yesterday and found the specs on the 5.7 only.
I read yesterday that you can only bore the engines out .010 or so. Now seeing this post above makes me wonder.
Chris
I read yesterday that you can only bore the engines out .010 or so. Now seeing this post above makes me wonder.
Chris
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What do you think about this.. I want to do a LSX swap in my 240SX. LS1's are too much for me so thinking about the 5.3. Then later down the road boring it out to a 5.7 and later maybe a turbo or nos. The iron block should hold up better. Just looking for around 450ish N\A with it being bored out. Do you think this is possible? Just throwing ideas out there. Thanks for reading.
TECH Resident
Joined: Oct 2004
Posts: 800
Likes: 1
From: Simi VAlley,CA
If you go with a 6.0 you can easily fit a pair of the cheap, stock L92 heads and with a little cam help you can get great numbers........very inexpensive numbers. Later when you are ready to add power, that can be done easily without re-doing the whole engine.
l92 heads are cheap but you'll end up with just as much into a head swap til you factor in all the other stuff such as intake and intake rocker's ect.. personally if you want the ls1 save for it or drop astock 5.3/4.8 into it til you can get one in it. however in my opinion the weight savings of a ls1 isn't worth the price of the motor.
