6.0 HD Vs. 6.0 SS?
Jan 5, 2009 | 06:15 PM
#1
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From: ny
6.0 HD Vs. 6.0 SS?
what is the difference between the 6.0 HD motor and the 6.0 SS motor? i have the hd and my buddy has the ss. the ss is so much faster. stock it was faster and even w/ both of us w/ bolt on mods and tunes he is faster even w/ mine having a coup[le more power adders. i know my truck is 300 or 400 lbs more but that shouldnt matter that much. i know some people doing some work to ss's and was wondering if any of there stock motor parts that i can probably get real cheap could add power to my motor.thanks for any info
Jan 5, 2009 | 06:30 PM
#3
300-400 pound difference= .3-.4 difference
30-50 rwhp parasitic drivetrain loss compared to a 4l60e and 10 bolt= .3-.5 difference
Slightly more horsepower(I forget the exact numbers).
You are talking about a .8-1.2 second difference in the 1/4 mile
Jan 5, 2009 | 06:31 PM
#4
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From: ny
hmmm so i see. so w/o spending some big cash i am screwed. lol. right now things are a little tight. is there any small budget things i can do so i can at least run with him if not **** on him(<---dreaming).
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Jan 5, 2009 | 07:05 PM
#8
heads are the same.
Your LQ4 is every bit as good as the LQ9. The only difference is that your pistons are dished. In fact looking back now, I prefer the LQ4 because it leaves a lot more options for ported heads while keeping a streetable compression ratio. Almost all the performance shops gear their heads towards the F-body guys which means chamber sizes 59-64cc. Well on the LQ9 that's 11:1+. Not very good, especially if you tow. I'd recommend you get some PRC stage 2.5 5.3l heads. I would have gone with those in a heartbeat if I had the LQ4, instead I had to go with 317s.
Your LQ4 is every bit as good as the LQ9. The only difference is that your pistons are dished. In fact looking back now, I prefer the LQ4 because it leaves a lot more options for ported heads while keeping a streetable compression ratio. Almost all the performance shops gear their heads towards the F-body guys which means chamber sizes 59-64cc. Well on the LQ9 that's 11:1+. Not very good, especially if you tow. I'd recommend you get some PRC stage 2.5 5.3l heads. I would have gone with those in a heartbeat if I had the LQ4, instead I had to go with 317s.
Jan 5, 2009 | 07:18 PM
#9
yeah not much difference, but your truck is heavier plus has the 4l80e tranny so that alone kills alot when comparing it to the SS, i would suggest a custom tune and a small cam for that big pig and it should really wake it up, a 212/218 will work well in that heavy truck...
