question on 5.3
Thread Starter
Staging Lane
Joined: Jun 2010
Posts: 68
Likes: 0
well i dont think i will have a fit ment issue, but i doin a budget build and i was just wonderin if it was worth spendin 300 bucks on for a ls6 intake. do you know what the hp gain is?
From GM, the truck intake on the LQ9 supports 350hp on a 6.0, the LS1 supports 350hp on a 5.7, the LS6 intake supports 400hp on a 5.7.
Your 5.3 is under 300hp. Unless you change cam & springs or heads, and exhaust, and really spin the engine fast, none will make much difference on your 5.3.
I only went to an LS1 for the low profile to fit under my hood.
Your 5.3 is under 300hp. Unless you change cam & springs or heads, and exhaust, and really spin the engine fast, none will make much difference on your 5.3.
I only went to an LS1 for the low profile to fit under my hood.
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Staging Lane
Joined: Jun 2010
Posts: 68
Likes: 0
From GM, the truck intake on the LQ9 supports 350hp on a 6.0, the LS1 supports 350hp on a 5.7, the LS6 intake supports 400hp on a 5.7.
Your 5.3 is under 300hp. Unless you change cam & springs or heads, and exhaust, and really spin the engine fast, none will make much difference on your 5.3.
I only went to an LS1 for the low profile to fit under my hood.
Your 5.3 is under 300hp. Unless you change cam & springs or heads, and exhaust, and really spin the engine fast, none will make much difference on your 5.3.
I only went to an LS1 for the low profile to fit under my hood.
Well If you look at the real Data. No, Its not worth the time and effort. You would be better suited to spend the money on a cam swap.
In stock forum Just swaping between the 2 intakes won't net much if at all.
Read this thread for some real data.
http://www.performancetrucks.net/for...d.php?t=397720
If I remember correctly You could gain a few HP at the very top end, but what you gain in hp you lose in torque. Also you have to consider How much time you plan on reving the motor to get that small peak of additional HP???
In stock forum Just swaping between the 2 intakes won't net much if at all.
Read this thread for some real data.
http://www.performancetrucks.net/for...d.php?t=397720
If I remember correctly You could gain a few HP at the very top end, but what you gain in hp you lose in torque. Also you have to consider How much time you plan on reving the motor to get that small peak of additional HP???
Last edited by 1FastBrick; Sep 18, 2010 at 10:15 PM.
Well If you look at the real Data. No, Its not worth the time and effort. You would be better suited to spend the money on a cam swap.
In stock forum Just swaping between the 2 intakes won't net much if at all.
Read this thread for some real data.
http://img.auctiva.com/imgdata/8/0/7...06453731_o.jpg
If I remember correctly You could gain a few HP at the very top end, but what you gain in hp you lose in torque. Also you have to consider How much time you plan on reving the motor to get that small peak of additional HP???
In stock forum Just swaping between the 2 intakes won't net much if at all.
Read this thread for some real data.
http://img.auctiva.com/imgdata/8/0/7...06453731_o.jpg
If I remember correctly You could gain a few HP at the very top end, but what you gain in hp you lose in torque. Also you have to consider How much time you plan on reving the motor to get that small peak of additional HP???
Well If you look at the real Data. No, Its not worth the time and effort. You would be better suited to spend the money on a cam swap.
In stock forum Just swaping between the 2 intakes won't net much if at all.
Read this thread for some real data.
http://img.auctiva.com/imgdata/8/0/7...06453731_o.jpg
If I remember correctly You could gain a few HP at the very top end, but what you gain in hp you lose in torque. Also you have to consider How much time you plan on reving the motor to get that small peak of additional HP???
In stock forum Just swaping between the 2 intakes won't net much if at all.
Read this thread for some real data.
http://img.auctiva.com/imgdata/8/0/7...06453731_o.jpg
If I remember correctly You could gain a few HP at the very top end, but what you gain in hp you lose in torque. Also you have to consider How much time you plan on reving the motor to get that small peak of additional HP???
http://www.performancetrucks.net/for...d.php?t=397720
Its from the Truckside of the forum. Its been debated, dynoed, and flat out beaten to death over there....
Check out the cam specs on that dyno test. Hardly stock.
With the smaller displacement 5.3 and the stock cams duration and lift, I doubt there would be more than a couple hp difference.
With the smaller displacement 5.3 and the stock cams duration and lift, I doubt there would be more than a couple hp difference.
