parbreak

iTrader: (17)

"Uhhhhhhhhhhhhhhhhhhhhhhhhhhhhh", Hey Kid, who the hell said anything about buying this cam? It was an interesting segment about an engine dyno, not even about the cam. And by the way, YO, stop capitalizing every word and using that stupid *** hip hop slang. This is LS1Tech not MTV.

Cantalope Kid

iTrader: (2)

Yah this coming from the guy who was impressed with 60's tech?! Keep watchin' TV you old fart...You know it must suck to be impressed with technology that is as old as you but makes you seem like A TOTAL NOOB!

ArcticZ28

iTrader: (14)

The 4/7 swap is actually to change the exhaust pulse contention in the primaries as they reach the merge. Before the 4/7 swap, you have two exhaust pulses coming at relatively the same time and fighting for the same space in the exhaust manifolds, thus creating backup and reversion. By swapping the 4/7, there is no longer contention and each back is only sending one exhaust pulse at a given time.

parbreak

iTrader: (17)

What the hell are you talking about junior? If you read my response I said " I couldn't give 2 squats one way or the other". You must be a product of public schools or are you still in school??? I wasn't impressed with anything about the segment other than the new engine dyno which I have stated repeatedly now. Learn to read little boy and how do you know how old I am 1/2 pint?

Sneakin Deacon

...umm, wow, ignorant much?

the ZL1 and L88 motors flat out impress me whole heartedly...60's technology or not, for a stock production motor, that beats out the LS7 in terms of pure raw unadultered power.

Studytime

iTrader: (15)

Asmodeus, you are correct in your thinking. A standard 4/7 swap will not net 30hp in the real world. As pointed out, most gains are small, but rather repeatable. As stated this is not a viable option for your daddy's '71 Corvette- it's an all out race tactic.

Ben T.

MadBill

Err... not really. With the old SBC firing order, #7 fires 90° after #5. With the 4/7 swap, #2 fires 90° after #4. There are a ton of possible firing orders without changing the crank, but they all result in two adjacent cylinders firing in sequence.

'Trust'

iTrader: (24)

Birthday:
July 14, 1980
Location:
San Antonio, TX
Occupation:
State Farm Insurance-Sales Rep.

Wow, I was expecting you to be around 12, MAYBE 13, quit being a tool and whoring someone elses thread. Oh, and before you start calling me an old fart, you have 5 years on me, and I bet I've forgotten more about these cars than you know. My Horn <-- toot, toot. That 60's tech, you know, pushrod V8's, well what do you think the LSX series motors are?

SSDude

Would changing the #4 and #7 firing order work on the LS1 given the man problems people have had with the #7.

https://ls1tech.com/forums/generation-iii-internal-engine/455286-how-many-you-guys-have-lost-number-7-a.html

orangeapeel

iTrader: (18)

You nerd.

Sounds like you took that right out of a fluid dynamics lecture!

Marc 85Z28

iTrader: (8)

You'd think with that many mods you would know the firing order of an LS1

The LS1 ALREADY HAS the 4/7 and 2/3 firing order swap from the SBC.

LS1: 1-8-7-2-6-5-4-3
SBC: 1-8-4-3-6-5-7-2

bigman

iTrader: (1)

Thats what happens when you buy all your mods from SLP. I kid, I kid.

blackcat

And would this help the LT1 at all? It is a SBC

Studytime

iTrader: (15)

Yes it *could* help. Is this a high-end build? Solid roller motor? Stock LT1 PCM?

For a street motor, I wouldn't bother.

Ben T.

98Camarod

iTrader: (43)

I think they also did the 4/7 swap on the ls1 camaro they had that they supercharged.

N4cer

iTrader: (11)

That wouldn't make any sense since the LS1 is already swapped.