Dyno Time: any guesses?

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yourgrandma
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Dyno Time: any guesses?

Post by yourgrandma »

I'm making a few pulls on Friday just to see where I'm at. No tuning other than possibly swapping pullies and maybe disconnecting he exhaust out of curiosity.

So who wants to make a guess at where ill be? Closest guess wins a special prize.

For those who don't know, the motor has 9.5:1 diamond pistons, ported head@, s1x cam, 1.8 rockers, wbs 2.5" intercooler, ported gen 5, n* tb, ls1 maf, speed daddy's, 42.5# inspectors and I'm currently running a 3" pulley with some belt slip and .5* of kr at wot. I'm tuned for about 18.5 degrees of timing and 11:1 afr.
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Re: Dyno Time: any guesses?

Post by 2000Silverbullet »

345 rwhp
I'll be interested in the gain with the exhaust dropped.
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Re: Dyno Time: any guesses?

Post by Zeik75 »

I say 360 FWHP and 428 crank
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Re: Dyno Time: any guesses?

Post by J Wikoff »

I don't really know how to judge it. So I'll just take a wild guess. 325 whp
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Re: Dyno Time: any guesses?

Post by yourgrandma »

Between here and facebook, the average guess looks like around 340hp or so. Keep em coming.

I really need a supercharger belt tensioner....
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Re: Dyno Time: any guesses?

Post by 2000Silverbullet »

I was getting massive slip when using the 2.9" pulley....black belt particles plastered the hood.
I bought a supplemental idler pulley to create more wrap around the SC pulley.....but haven't installed it yet.

The torque these engines produce with the smaller pulley's is impressive, to say the least.
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Re: Dyno Time: any guesses?

Post by yourgrandma »

I don't het black belt dust since I started using an 8 rib bit my tensioner is really weak and I imagine its gotta be slipping some. I can turn the pulley with an Allen wrench in one of the bolts with ease. It's much better with a 3" though.

I plan to make two pulls on normql settings and one with a 2.8, drop the exhaust and throw some 110 in the tank.
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Re: Dyno Time: any guesses?

Post by gonzo4191 »

I'm gonna say 333 and 394 power to torque
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Re: Dyno Time: any guesses?

Post by macksdaddy77 »

350 at the wheels
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Re: Dyno Time: any guesses?

Post by Oldsman105 »

337 WHP 402 TQ
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Re: Dyno Time: any guesses?

Post by RJolly87 »

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Re: Dyno Time: any guesses?

Post by haro1225 »

400 whp.
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Re: Dyno Time: any guesses?

Post by 2003 SSEi »

keep in mind i did 313 with a 2.8 pulley on rockers.

HP was a direct relation to the Pulley size. Im going to say 320 just because of the pulley size and heads
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Re: Dyno Time: any guesses?

Post by 2000Silverbullet »

2003 SSEi what are your "lots of mods" ?
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Re: Dyno Time: any guesses?

Post by 1oldman »

354 FWHP - 415 Torque
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Re: Dyno Time: any guesses?

Post by yourgrandma »

Pat, i have a full point higher compression, ported heads and more duration. What size pulley foes a naturally aspirated engine use? Definately more to it than that.

Unfortunately I've never felt that o was getting what I wanted out of it. That's why I've been passively shopping for a stage 3 cam. Either that or build a turbo setup, but I'd rather focus on my next project.
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Re: Dyno Time: any guesses?

Post by nos4blood70 »

370 whp.
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Re: Dyno Time: any guesses?

Post by yourgrandma »

New blower belt tensioner, air filter and fuel filter going in today. Put a fresh set of tr6s in a couple days ago. Nobody could get tr7s locally. Trying to think of anything else that might help me out.
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Re: Dyno Time: any guesses?

Post by MattStrike »

Well, I'll revise my FB guesses, knowing what you're planning for the dyno.


I still say 310whp/350trq as it sits, if they correct for power at the crank then I can see 360hp/420trq.
Pulley down will pull 330whp/380trq, crank #'s around 400/480.
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Re: Dyno Time: any guesses?

Post by yourgrandma »

So you think ill make that much less power than cars with less mods? Why?
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