ls1 to 5.3
ls1 to 5.3 is there differences in how they bolt up. That means transmission bolt pattern and engine mounts also can i use a ls1 harness on a 5.3 without major modifications. i am pretty sure this will all work and it will give me the correct 4l60e tables i need. on another note this is going to be a twin turbo setup looking for 600-800 wheel horse what trans does everyone suggest or maybe who to go with when building one. this is just a fun car i am building so street is the name of the game so manuals will not be ignored. i just hear it is a pain in the *** to make a viper spec t56 work with a f body
is this really a common thing to do? I'm trying to find an ls1 short block to swap my 5.3 out with. as far as your other questions I was told that there is a crank seal(I think) that can be longer, but most other things are interchangeable(besides pistons)
wow awsome thanks for the info. i cannot decide if i want to go all out right away and put the 4340 crank diamond pistons and carillo rods in or just put the stock engine in with the cam and head work and throw maybe 10 psi at it to see how much i like it before i go 20 psi and all that work
the stock 5.3 can easily handle 10 psi, and I've seen stock 5.3 with the cam with 10 psi put down 500hp. You could probably get alot more out ot it with a good turbo cam.
http://www.s10forum.com/forum/f213/w...roject-306280/
here is a single turbo fox body with a 5.3 and mild cam that gets 25mpg and runs a 10.42 on 11psi with 510rwhp
http://www.s10forum.com/forum/f213/w...roject-306280/
here is a single turbo fox body with a 5.3 and mild cam that gets 25mpg and runs a 10.42 on 11psi with 510rwhp
that is a good starting point i think so can anyone reccomend a good transmission i should run a manual would be fun really but a t56 would not agree with that much power and a viper spec is hard to come by so probably should just build my 4l60e
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Are you saying that a LS1 T56 won't handle 500rwhp? I disagree.
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i think because the lower compression the 5.3 has with the heads.hell check in the performance truck forum, ppl running turbos at 8-14 psi on STOCK blocks lasting 50K+ miles.
iam in the middle of swapping a 5.3 in my b-body with the intent of putting a single small turbo to get 450-475 to the wheels....hell a stock block 5.3 with a z06 cam can get u 300 rwhp with bolt-ons,and that cam loves boost!
As the old saying goes, "There's no replacement for displacement." You can't go wrong with more cubes, it will make more torque and power. That's why the LQ4/9 motors are desireable...they are affordable, strong, and you can stroke them out for 400+ cubes.
Launching!
Joined: Mar 2008
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thanks i got another quick question sorry for changing topics, but when a regular 5.7 L ls1 gets those really popular prc 5.3l heads, that doesnt mean they just changed their ls1 does it? Its somethin completely different right??
No, it's still a LS1 for all intents and purposes. Still a 5.7 liter, just with different cylinder heads. Many opt for the ported 706 (5.3 liter) castings, because they are affordable heads for porting, and once ported they will flow decent numbers for stock castings.
Launching!
Joined: Mar 2008
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thanks man im just new to all this and am probably finally buying my first f-bod soon and wanted to make sure it was still a 5.7 litre engine not a 5.3, because for some reason i cant explain i dont wanna run spray or boost, i just like the fact my engine is all n/a, feels more pure to me, i know its a psychological thing lol.
thanks man im just new to all this and am probably finally buying my first f-bod soon and wanted to make sure it was still a 5.7 litre engine not a 5.3, because for some reason i cant explain i dont wanna run spray or boost, i just like the fact my engine is all n/a, feels more pure to me, i know its a psychological thing lol.
