[jcaligood]

Currently looking at selling my cammed 5th gen and moving up to a 6th gen 1LE. In the unfortunate event that I have to sell it to a dealership instead of finding someone on here, I may transfer a few bolt ons if possible.

Did a quick forum search, and couldnt find much of an answer.

I'm wondering if some components are transferrable from an LS3 to LT1.
Specifically, my 1 7/8" Texas Speed long tube headers (same exahust and mqnifold bolt hole location??), Vararam OTR intake, RX ported TB, maybe even Texas Speed high flow cats?
Or, is the LT1 just completely different and none of these will fit?

Thanks for the help.

[kropscamaro16]

nope all ls to lt1 parts are different

[jcaligood]

Originally Posted by kropscamaro16

nope all ls to lt1 parts are different

thanks for the response.

ill be starting from stock then!

going from a cammed ls3 to a stock lt1. i know its a better engine to build, once it gets going.

probably gonna need a few bolt ons and e85 to get back to 480whp range??

[LT1ornothing]

Originally Posted by jcaligood

thanks for the response.

ill be starting from stock then!

going from a cammed ls3 to a stock lt1. i know its a better engine to build, once it gets going.

probably gonna need a few bolt ons and e85 to get back to 480whp range??

Better engine to build is subjective. Personally, I believe the LS3 is easier AND cheaper to build than an LT1. Go get quotes on a heads and cam package for a gen 5, then a gen 6. If you really want to see a difference, go price out an 800 hp capable fuel system on each car and get ready to be shocked.

I'd take an ls3 gen6 if GM would have ever offered it, LS3 is much cheaper to modify.

[danhr]

Originally Posted by 1LEornothing

Better engine to build is subjective. Personally, I believe the LS3 is easier AND cheaper to build than an LT1. Go get quotes on a heads and cam package for a gen 5, then a gen 6. If you really want to see a difference, go price out an 800 hp capable fuel system on each car and get ready to be shocked.

I'd take an ls3 gen6 if GM would have ever offered it, LS3 is much cheaper to modify.

heads and cam is going to be just about the same price, if it's apples to apples.

[RobbyBeefcake87]

Originally Posted by 1LEornothing

Better engine to build is subjective. Personally, I believe the LS3 is easier AND cheaper to build than an LT1. Go get quotes on a heads and cam package for a gen 5, then a gen 6. If you really want to see a difference, go price out an 800 hp capable fuel system on each car and get ready to be shocked.

I'd take an ls3 gen6 if GM would have ever offered it, LS3 is much cheaper to modify.

I'd agree with that when it comes to boost, fueling the LT is expensive. Getting NA power out of an LT1 seems easier than an ls3, FBO LT's are making a lot of steam compared to an ls3 imo, H/C even more so though it seems it's genrally more money for an LT1 H/C package vs LS3 if paying for labor.

[jcaligood]

Originally Posted by RobbyBeefcake87

I'd agree with that when it comes to boost, fueling the LT is expensive. Getting NA power out of an LT1 seems easier than an ls3, FBO LT's are making a lot of steam compared to an ls3 imo, H/C even more so though it seems it's genrally more money for an LT1 H/C package vs LS3 if paying for labor.

no labor costs here!

im almost positive im moving up to LT1

my only concern is regretting losing my cammed bolt on 5thgen then not making as much power on a 6th.
but apparently they dyno around 410whp stock, so getting back to that power shouldnt be too hard.
and theyre a couple hundred pounds lighter

dont see any FI coming in the future, so fueling cost isnt too much of a worry YET, but i do see the concern you all bring up

[SSDan]

Originally Posted by jcaligood

my only concern is regretting losing my cammed bolt on 5thgen then not making as much power on a 6th.
but apparently they dyno around 410whp stock, so getting back to that power shouldnt be too hard.
and theyre a couple hundred pounds lighter

I moved from a cam/bolt-on LS3 to the LT1. I have left the LT1 alone. The gen 6 is such a better, lighter platform and the LT1 is such a strong motor in stock form that its as fast as my modded Gen 5. I do miss the awesome idle chop from my old LS3 but that's it.

[s346k]

Originally Posted by jcaligood

no labor costs here!

im almost positive im moving up to LT1

my only concern is regretting losing my cammed bolt on 5thgen then not making as much power on a 6th.

a bolt on 6g will put a hurting on a cammed 5g.

[jcaligood]

Originally Posted by SSDan

I moved from a cam/bolt-on LS3 to the LT1. I have left the LT1 alone. The gen 6 is such a better, lighter platform and the LT1 is such a strong motor in stock form that its as fast as my modded Gen 5. I do miss the awesome idle chop from my old LS3 but that's it.

just what i needed to hear. thanks

[jcaligood]

Originally Posted by s346k

a bolt on 6g will put a hurting on a cammed 5g.

thanks for this also!

[gmcvt]

Had a cammed LS3 myself. Personally, even if there was a slight power disadvantage with the LT1, Id still take the 6th Gen. Thankfully there isnt. Its a total win/win. You will be glad you made the switch.

[L78toLT1]

One huge advantage the LSx motors have over LTs is aftermarket support. Take a look at the Summitt or Jeg's catalog. Tons of LS stuff, absolutely nothing LT.

[ST1LE]

Originally Posted by L78toLT1

One huge advantage the LSx motors have over LTs is aftermarket support. Take a look at the Summitt or Jeg's catalog. Tons of LS stuff, absolutely nothing LT.

Give it time maybe? I am sure more things will come to market, and bet the pandemic impacted all new product development across the board too.

Still not wrong, the aftermarket is thick for the LS3.