Street Racing & Kill Stories Basic Technical Questions & Advice

5.br0 vs LS2 GTO

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Old 04-27-2016, 01:24 PM
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Originally Posted by marc97taws6
Odd, the 1LE went quicker and faster on track tests than the base SS they tested.
Only odd because you don't know where to look. 1le has better tires, lighter wheel/tire package ......and electric ps.
Originally Posted by V8EATR
I actually read the thread on yellow bullet and it didn't really say much. Guy said he was estimating 525whp and that was with stock uported 243's, SBE, etc...Which hardly seems accurate but I'm not a scientist so who knows. Dude with the vette also didn't/wouldn't give his rw in that thread at least. Some guys calling BS in that thread, especially guys with 3,000 rw cars making 520 through an auto and running a lot slower. Something doesn't add up. It's like Hio's car, yea its fast, but a fallacy about whats claimed.
How much power should he make running a 9.6?

There are plenty guys with more power running slower......because there are many other things other than hp to determine a cars acceleration.

Last edited by HioSSilver; 04-27-2016 at 01:30 PM.
Old 04-27-2016, 01:26 PM
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Originally Posted by HioSSilver
Only odd because you don't know where to look. 1le has better tires......and electric ps.


How much power should he make running a 9.6?

There are plenty guys with more power running slower......because there are many other things other than hp to determine a cars acceleration.
I would tend to agree with that but these are drag racers with dedicated drag cars so no it doesn't really add up. So you think your car has an easy 100whp with just a cam swap eh?
Old 04-27-2016, 01:26 PM
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Originally Posted by HioSSilver
Only odd because you don't know where to look. 1le has better tires......and electric ps.
So the $3500 1le package over the base SS does contribute to it going quicker and faster.

Thanks for playing.
Old 04-27-2016, 01:29 PM
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Originally Posted by Deeohgie69
If my H/C/I LS1 didn't make as much as a typical bolt on Coyote (440rwhp), I'd personally take it to the car crusher myself. Keep in mind, you have to take account for a stalled car vs an m6. Figure I needed to specify (common sense) that because some people around here can't see anything but what is written.
Unfortunately 440-460whp is very typical for h/c LS1's, which is also very typical for bolt-on coyotes. Now, go more in-depth and detail with them (which is less common usually) and they become the more uncommon higher hp examples.
Old 04-27-2016, 01:31 PM
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Originally Posted by HioSSilver
He made some changes since that 470. Last time on the rollers he made just shy of 500whp. He's made some changes since that are a givin to go over 500 now. As far as i know he is still turning a ps pump to. A luxury the 5br0 guys forget about. So you can pretty much add 8hp for not turning a ps pump to make engine power itself more comparable if you like........some won't like tho

That alone woulda put him over 500 . Still pump too i think. E85 would likely push it to 520 or so.
So it's okay for him to use E85?
Old 04-27-2016, 01:33 PM
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Originally Posted by NateLS1Mustang
So it's okay for him to use E85?
Of course it is!

Notice Hio's change in tune on e85 now that it substantially benefits a GM product like the 6G?

It's rather entertaining
Old 04-27-2016, 01:35 PM
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Originally Posted by R6cowboy
Unfortunately 440-460whp is very typical for h/c LS1's, which is also very typical for bolt-on coyotes. Now, go more in-depth and detail with them (which is less common usually) and they become the more uncommon higher hp examples.
I agree and that's why we see what we do around here. I was just saying that it can be done because it is let on by the coyote guys that it cannot. I've read a lot of threads and seen numbers all over the place, but when I see a H/C/I build that's under 450rwhp and an m6, I scratch my head.
Old 04-27-2016, 01:36 PM
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Originally Posted by V8EATR
I would tend to agree with that but these are drag racers with dedicated drag cars so no it doesn't really add up. So you think your car has an easy 100whp with just a cam swap eh?
After the changes i am in the progress of making then my car would no doubt over 500whp with the right cam. I'll be looking for 450whp with bolt ons......dj power that is.
Originally Posted by marc97taws6
So the $3500 1le package over the base SS does contribute to it going quicker and faster.

Thanks for playing.
There is no playing other than me pushing you around. You look dumb....there are more changes/development/parts that went into the 1le. Just because i didn't mention them all does not mean that is not all there is. The changes are well documented. The changes were mainly oriented toward road course and handling. The odd part is the standard ss still has the quickest time in the hands of the people......that's what i was goin by.
Old 04-27-2016, 01:38 PM
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Originally Posted by NateLS1Mustang
So it's okay for him to use E85?
Mustang on e85 = race gas/cheating/only use it bcuz they suck & come with no peaches.

Anything GM on e85 = ok due to some retarded stipulations/have super delicious juicy peaches that are awesome to swallow.
Old 04-27-2016, 01:39 PM
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Originally Posted by HioSSilver
There is no playing other than you pushing me around. I look dumb....there are more changes/development/parts that went into the 1le. Just because i didn't mention them all does not mean that is not all there is. The changes are well documented.
You're right.
Old 04-27-2016, 01:43 PM
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Originally Posted by NateLS1Mustang
So it's okay for him to use E85?
Originally Posted by marc97taws6
Of course it is!

Notice Hio's change in tune on e85 now that it substantially benefits a GM product like the 6G?

It's rather entertaining
I've never really had a problem with e85 other than comparing one engine on it vs the other not on it. That makes no sense whatsoever.......unless you can't keep up on pump.

Now....e85 is not available everywhere. Really it's very limited and does not even exist in alot of areas. That creates it's own problem.

Btw....the tests that are out there with a ls on e85 has shown good gains. So no it's not a 6gen thing.
Old 04-27-2016, 01:44 PM
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Originally Posted by marc97taws6
You're right.
Nice try
Old 04-27-2016, 01:51 PM
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Originally Posted by Poppacapp
A stall in my car will take my 11.81 @ 117.4 into a 11.3. You would need heads.
Originally Posted by Wayne Brady
sweet ricer math.
EDITED: Nevermind, I was wrong.

Last edited by Sticks n Stones; 04-27-2016 at 04:11 PM.
Old 04-27-2016, 01:58 PM
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Originally Posted by Sticks n Stones
no ****. The 5.0 factory stall is in the ball park of a aftermarket 3400-3600 stall rating. I've driven a few and was able to foot brake them up to 2800-2900rpms before the tires started spinning. Which as any guy who has owned/built/driven multiple stalled cars knows means the stall is friggin huge for a factory V8 car.

Your current setup should be running 1.7-1.8 60' times right? To pick up 1/2 second in the 1/4 my hazy knowledge banks say you would need to drop into the 1.4's to do that. IMO without drag strip dedicated suspension/rearend/tire work your stang isn't gonna do that. Take a damn near purpose built setup to run 1.4's
2800-2900 is well above the factory 6r80 stall speed ratings.
Old 04-27-2016, 02:32 PM
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Originally Posted by marc97taws6
2800-2900 is well above the factory 6r80 stall speed ratings.
Rental cars: both auto mustang 5.0's that I have driven were 2011 5.0 rentals. The motors are so sewing machine smooth that it's not really noticeable unless you are a car guy.

Now take a 4th or 5th gen SS and foot brake it and you would be lucky to hit 1900rpms...
Old 04-27-2016, 02:35 PM
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Originally Posted by marc97taws6
2800-2900 is well above the factory 6r80 stall speed ratings.
2200rpm seems to be around the highest 6r80 foot brake rpm that I've heard of
Old 04-27-2016, 02:43 PM
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Originally Posted by Sticks n Stones
Rental cars: both auto mustang 5.0's that I have driven were 2011 5.0 rentals. The motors are so sewing machine smooth that it's not really noticeable unless you are a car guy.

Now take a 4th or 5th gen SS and foot brake it and you would be lucky to hit 1900rpms...
The highest I've ever been able to foot brake my car is 2400. 2200 is the norm.

S197 Coyotes routinely gain .4-.5 seconds from a good torque converter. Similar to many other v8 pony cars. Not sure what the s550 6r80 cars have gained
Old 04-27-2016, 04:10 PM
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Originally Posted by marc97taws6
The highest I've ever been able to foot brake my car is 2400. 2200 is the norm.

S197 Coyotes routinely gain .4-.5 seconds from a good torque converter. Similar to many other v8 pony cars. Not sure what the s550 6r80 cars have gained
ah f**k, my bad. Had to go find my old incar vids to refresh me: you guys are right, 2200rpms. oops!
Old 04-27-2016, 04:16 PM
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Best idea I've ever heard of, make a gto heavier. Thing probably has challenger race weight.
Old 04-27-2016, 04:32 PM
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Originally Posted by HioSSilver
Btw....ls6 has been 525whp cam only
Originally Posted by R6cowboy
If cam only LS6's (completely untouched heads) can get 525whp, how is the above link (great stuff by Darth btw) a good representation to back up Hio's claim of 525whp cam only LS6?

P.S.- Hio, please find that 525whp cam only LS6 (completely untouched stock heads).
Hio, can you find this unicorn LS6? I can't find jack.


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