388 finally hits the dyno - Page 11 - LS1TECH - Camaro and Firebird Forum Discussion



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388 finally hits the dyno

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Old 07-31-2017, 11:32 AM   #201
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I don't think it's goona work like that for him
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Old 07-31-2017, 11:57 AM   #202
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Originally Posted by ss454327 View Post
Actually the harder he can grip and launch it will drop his trap speed, all other things equal. Spinning a bit generally nets higher traps...I've seen it a hundred times. A sticky track combined with negative DA might get him there though.
My car almost always traps highest with the best 60'. Can't really tell from my last slips yet because onnever got a clean pass
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Old 07-31-2017, 12:08 PM   #203
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I think its about time to go solid roller and mast heads on my 418 ive known for years my motor is not at its potential at 550whp at 6300rpms. my limiting factor is for sure stock cnc heads, cam and long runner fast. probably need 2 inch headers too
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Old 07-31-2017, 12:09 PM   #204
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what lifters and rockers did you go with for your solid roller setup?
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Old 07-31-2017, 12:31 PM   #205
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They're linked solid lifters and T&D adjustable rockers
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Old 07-31-2017, 12:50 PM   #206
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Quote:
Originally Posted by HioSSilver View Post
I don't think it's goona work like that for him
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Originally Posted by big hammer View Post
My car almost always traps highest with the best 60'. Can't really tell from my last slips yet because onnever got a clean pass
I'm sorta thinking it'll trap higher with better 60's. If he didn't get a clean pass in, it's sorta hard to judge anything. The track owners even admitted the surface was pewp.

If he had a bunch of clean runs, then I'd say maybe. But my own car, since I didn't get any clean passes at first, always seemed to trap higher with better 60's.
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Old 07-31-2017, 01:58 PM   #207
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Spinning the tires while going down track will always result in less MPH.
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Old 08-01-2017, 09:33 PM   #208
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A manual needs to slightly haze tires so you don't bog. Aside from that, spinning to much lowered mph on mine
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Old 08-01-2017, 09:49 PM   #209
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I'd rather burn a little bit of tire, than a little too much clutch... lol
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Old 08-02-2017, 06:45 AM   #210
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I'd rather burn a little bit of tire, than a little too much clutch... lol
After 4 clutches in 1 year and7 clutches total in 15 years and 40,000 miles i swapped to the automatic lol.
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Old 08-02-2017, 09:41 AM   #211
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This car is staying manual 4 lyfe. ET is great and everything but i rarely get to the track and I don't compete in anything. I'm more interested in a decent ET and a wicked trap speed for what I do
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Old 08-02-2017, 10:27 AM   #212
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Quote:
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This car is staying manual 4 lyfe. ET is great and everything but i rarely get to the track and I don't compete in anything. I'm more interested in a decent ET and a wicked trap speed for what I do
This sounds like me to a T. Completely understand. Quickest ET possible isn't priority numero uno for street toy.
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Old 08-02-2017, 11:07 AM   #213
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This sounds like me to a T. Completely understand. Quickest ET possible isn't priority numero uno for street toy.
Yeah don't get to the track enough to get the experience needed to really use the first 330' properly and I doubt I'll ever go to a slipper clutch either
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Old 08-02-2017, 08:34 PM   #214
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My rear gears would not stay quiet in the 12 bolt either. Hated to remove the manual but got to be too annoying to drive. 6 months no whine then first time i really hammer on it and bang second whine came back.
200-4rtrans is rmvb. Now with a trans brake so still fun
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Old 08-07-2017, 10:46 AM   #215
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gotcha, those rockers arnt cheep lol. been debating a solid roller in my 418 but i dont know if my heads will sustain a cam in the .680s. dont know if i can see spending another 4k or more for 100 or so horsepower. especially when I got boost plans eventually

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They're linked solid lifters and T&D adjustable rockers
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Old 08-29-2017, 06:19 PM   #216
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Gonna step it up a touch
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Old 08-29-2017, 07:53 PM   #217
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Gonna step it up a touch
What rocker arms are you going with?
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Old 08-29-2017, 11:46 PM   #218
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What rocker arms are you going with?
Same ones I have now. T&D
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Old 08-30-2017, 01:15 AM   #219
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How much you expect to gain from the cam change? Rpm change?
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Old 08-30-2017, 08:37 AM   #220
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Member posts results. High 5s all around. Egos appear. BS insues. Egos are bruised. Member gets bigger cam. Lather. Rinse. Repeat.

Yup, this is LS1tech alright.

Congrats, BH!
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