Generation III Internal Engine 1997-2006 LS1 | LS6
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Old Nov 10, 2004 | 09:26 PM
  #21  
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Relax guy, you need a rest.


Originally Posted by Bearcat Steve
Sorry to jump in here, but I really don't remember anyone taking issue with Thunder. I have always heard good things about them.

If I found myself in a similar situation I would suspect one of the several happened:

1) Driver fault,
2) Bad tuning,
3) Suspension not matched with the power output.

Call Thunder and see what they have to say before tarnishing their reputation.
I hightly doubt this will do anything to their reputation....I know I will continue to buy from them. That reminds me....
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Old Nov 10, 2004 | 09:35 PM
  #22  
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V8Killer, you should try the electric supercharger from Ebay. Nice item, promises to "blow away" the competition!
If read ALL the above, then do the right thing.
1st, if it hasnt been tuned, get it tuned.
2nd, with the stroker did you upgrade inj as well?
3rd, are you on stock heads, stock MAF, Stock this and that, like manifolds and y pipe?
4th, have you contacted Thunder to ask questions about your COMPLETE (all mods or lack there of) setup?

Dont be a Democrat (jackass) and bash anyone, sponsor or another user until you are willing to provide all information, and contact the person/company first.

Common Sense is leaving the building!
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Old Nov 11, 2004 | 04:42 AM
  #23  
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It takes a little more then just a cam and a 383 to go fast. There is alot of stuff that could be holding you back.....no suspension...no tires.......bad tuning......or just plain bad driving skills and the list goes on...
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Old Nov 11, 2004 | 06:32 AM
  #24  
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Ok,guys.more details now.when we raced,we did a highway roll,no drag racing.so,the problem is not about the tires,suspension etc.it was about the power.2 M-6 c5s and 60-150mph roll head to head.
about tuning.the person who tuned my car also tuned several 383s and lots of ls1s and 1 supercharged 427 ls1.idont think the problem is about tuning.
other modifications.stage2 head and all other boltons,flp headers,xr-1 exhaust.no problem about them.
tuning at dyno: i live in Turkey and we dont have a dyno more than 400hp.so we tune at highway.we only guess about power by acceleration times.
before these mods when i had only head and cam 224/224 114ls i was able to have 60-125mph in 8.8 second and now about 8.6 seconds.no better times yet.
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Old Nov 11, 2004 | 06:44 AM
  #25  
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Are you at least using a Wideband? Any data logging? I know it can be frustrating, but the more info the better.
List ALL mods, do you have factory fuel pump & injectors? Facotry clutch? At that power potential the clutch wont last to long, even from a roll. And suspension and tires do play a role, just not as signiicant a factor compared to racing from a dig.
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Old Nov 11, 2004 | 06:44 AM
  #26  
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Originally Posted by V8 Killer
Ok,guys.more details now.when we raced,we did a highway roll,no drag racing.so,the problem is not about the tires,suspension etc.it was about the power.2 M-6 c5s and 60-150mph roll head to head.
about tuning.the person who tuned my car also tuned several 383s and lots of ls1s and 1 supercharged 427 ls1.idont think the problem is about tuning.
other modifications.stage2 head and all other boltons,flp headers,xr-1 exhaust.no problem about them.
tuning at dyno: i live in Turkey and we dont have a dyno more than 400hp.so we tune at highway.we only guess about power by acceleration times.
before these mods when i had only head and cam 224/224 114ls i was able to have 60-125mph in 8.8 second and now about 8.6 seconds.no better times yet.
Sounds to me that you are tuning by ear!!

You need to get HP Tuner and a laptop. You can do live monitoring and adjustments. Basically street tuning with data recording.
What kind of injectors do you have, fuel pump? You should be in the neighbourhood of 450+ rwhp, too much for stock injectors and pump.

Like I said before, give us an itemised list of ALL your mods, then we can make suggestions.
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Old Nov 11, 2004 | 03:15 PM
  #27  
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this may sound stupid,but make sure your cam timing is where it should be.in other words make sure it's not advanced or retarded too much.
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Old Nov 12, 2004 | 02:10 AM
  #28  
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Get HP Tuners and a wideband. If you need one check my sig and there will be a link to a Group Purchase on a dynojet wideband.
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Old Nov 12, 2004 | 08:30 AM
  #29  
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I dont really know anything about big block American engines, but with most cars if you change from an OE cam to an aftermarket one you need to time it correctly. Once that's done the ECU will need a full custom map which can be done by any decent tuner with a proper rolling road.
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Old Nov 12, 2004 | 08:38 AM
  #30  
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we do tune by wideband and laptop but not at dyno.and i have star spec3 clutch and upgraded pump and injectors.i think theres nothing wrong with the setup.only cam,i think.do you think my 252/254 114ls solid roller cam is good for highway racing??
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Old Nov 12, 2004 | 08:51 AM
  #31  
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Originally Posted by V8 Killer
we do tune by wideband and laptop but not at dyno.and i have star spec3 clutch and upgraded pump and injectors.i think theres nothing wrong with the setup.only cam,i think.do you think my 252/254 114ls solid roller cam is good for highway racing??
Where i'm from any car that is tuned nearly all of them go on a rolling road so you get an accurate power measurement at the wheels as opposed to flywheel power figures. I'm assuming 252 is a 252 degree cam, I dont really know what they use as standard, so couldn't really say, but i'd say in general on engines I have some knowledge on 260-280 is for fast road/track use and should be fine for everyday driving, if a little lumpy. lol
As with all cars tho when you get something installed it needs to be correctly setup, have you had the fuel map on the ECU looked at or changed?
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Old Nov 12, 2004 | 08:59 AM
  #32  
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I'm assuming 252 is a 252 degree cam, I dont really know what they use as standard, so couldn't really say, but i'd say in general on engines I have some knowledge on 260-280 is for fast road/track use and should be fine for everyday driving, if a little lumpy. lol
It's a 252 duration. May I suggest that you read about LS1's a little more. I've yet to see a solid roller 280 duration cam Perhaps it is the next GODZILLA 2 cam.
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Old Nov 12, 2004 | 09:25 AM
  #33  
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Originally Posted by PREDATOR-Z
It's a 252 duration. May I suggest that you read about LS1's a little more. I've yet to see a solid roller 280 duration cam Perhaps it is the next GODZILLA 2 cam.
Well I'm hear to learn and find things out about them, but will try to read up on them some more so as not to offend you.

I run standard OE cams on my car, but the 'mild' cams I could get for it start at 254 and 258, the normal choice being 278 degree and they go all the way up to 324 degree race cams.

http://www.kentcams.com/index.htm
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Old Nov 12, 2004 | 09:34 AM
  #34  
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Originally Posted by TheJesus
Well I'm hear to learn and find things out about them, but will try to read up on them some more so as not to offend you.

I run standard OE cams on my car, but the 'mild' cams I could get for it start at 254 and 258, the normal choice being 278 degree and they go all the way up to 324 degree race cams.

http://www.kentcams.com/index.htm
I'm not offended
I'm just suggesting " learn about LS1's." Find JRP (member) and read his sig. That will give you a basic idea about LS1 parameters.
Welcome to this board.
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Old Nov 12, 2004 | 11:46 AM
  #35  
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Originally Posted by PREDATOR-Z
It's a 252 duration. May I suggest that you read about LS1's a little more. I've yet to see a solid roller 280 duration cam Perhaps it is the next GODZILLA 2 cam.
Yeah, you're quite the smart *** aren't you.

https://ls1tech.com/forums/generation-iii-internal-engine/220732-car-alive-again.html
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Old Nov 12, 2004 | 12:07 PM
  #36  
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Maybe you cant drive?

Cam could be ground wrong?

Car isnt tuned?

Maybe your making it up?

Maybe the guy in your lie cant drive?

Is it possible that you suck and not your car?

Check on the above things and get back to us. I wouls spend more time hitting the books then going online during 7th grade computer class if I were you.
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Old Nov 12, 2004 | 12:17 PM
  #37  
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Maybe the made up Guy with the C5 has a 383 and a under Intake direct port kit, and he told you his car was only a cam car, just to make you do what your doing now, Getting all upset because you can't be one Corvette.
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Old Nov 13, 2004 | 01:12 AM
  #38  
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Originally Posted by Squat13
Maybe the made up Guy with the C5 has a 383 and a under Intake direct port kit, and he told you his car was only a cam car, just to make you do what your doing now, Getting all upset because you can't be one Corvette.

I know im upset cause I cant be a corvette.
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Old Nov 13, 2004 | 02:52 AM
  #39  
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I say check the timing and lash. Are the valve springs up to he task?
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Old Nov 13, 2004 | 07:37 AM
  #40  
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Originally Posted by JF WS6
Yeah, you're quite the smart *** aren't you.

https://ls1tech.com/forums/showthread.php?t=220732
I meant for the street ie: road race.
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