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My carbed 6.0L L92 s-10 at the track

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Old 07-14-2008, 04:23 PM
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Very nice!
Old 07-14-2008, 08:23 PM
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yeah im thinking about selling my ls1 and getting a stock 6.0 and putting l92 heads on it!
Old 07-14-2008, 09:59 PM
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[QUOTE=jay_lt4;9728245]finally got to the track fri night and ran the 6.0 L92 combo,, ran great, not much track prep so i was spinning through 1st gear and still ran a 10.80 @ 128mph and i drove 220 miles round trip and only used just over 1/2 tank of 89 octane(same price as 87 octane at the pumps so i figured id splurge,lol)

this is a driver, i drive it everywhere

havent done any weight reduction yet either, 3200#, im thinking about taking some weight off and seeing what it will do. and i need a smaller carb, anyone looking for a like new 850 demon double pumper?[QUOTE]


WOW... those numbers make me very happy.. makes me sure my 9.90 hopes are VERY realistic. Awesome work man!
Old 07-15-2008, 07:06 AM
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^^ Agreed..this is swaying me more and more to a L92 headed high comp 6.0 and big nasty cam in my 2972# Javelin!!
Old 07-15-2008, 08:35 AM
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Can I ask what your 60' time was on the s10? Do you have a cage in that thing? If not, how do they let you run that fast?

Last edited by tennerv8; 07-15-2008 at 09:11 AM.
Old 07-15-2008, 11:01 AM
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i would bet 1.5- 1.6
Old 07-15-2008, 11:42 AM
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1.7 60ft, spinning through 1st for a ways as you can see in the vid

no cage, this was a rsd(real street drag) night at the track, clock display is turned off but you still get a slip just for your vehicle

they let the rules slide a bit on these nights
Old 07-15-2008, 11:49 AM
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So no tech inspection? Driveshaft loop,wheelstuds kind of thing? I live in mn. and a popular track is Brainerd International Raceway and they would not let most people run that quick without all the safety stuff.
Old 07-15-2008, 12:26 PM
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Originally Posted by tennerv8
So no tech inspection? Driveshaft loop,wheelstuds kind of thing? I live in mn. and a popular track is Brainerd International Raceway and they would not let most people run that quick without all the safety stuff.

yes there is tech inspection,, i do have a drive shaft loop, 1/2" wheel studs, for the most part on these rsd nights they do a basic inspection, battery hold down, coolant overflow, throttle springs, no leaks, neutral safety switch, seatbelts, helmet inspection,

the clocks display is turned off the the only people that know what you run are you and the people in the tower, if your vehicle doesnt look safe or is all over the track im sure they would say something to you

these rsd nights are to get street racing in a legal place, betting is encouraged just like racing on the street, you can even do flag starts or spot people out a few cars if you want to

rsd nights are the first friday of the month at WIR in kaukana wi, and once a month at union grove by milwaukee also
Old 07-16-2008, 08:57 AM
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That thing really runs on 89 octane? Even with the nitrous? Whats your compression? Stock pistons too?
Old 07-16-2008, 09:35 AM
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Originally Posted by tennerv8
That thing really runs on 89 octane? Even with the nitrous? Whats your compression? Stock pistons too?
Did I miss something?? I didn't see any mention by *jay lt4* that he was spraying.
Old 07-16-2008, 11:34 AM
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you caught me,, yes 125 spray and yes on 89 octane i run it on 87 but when i stopped at the gas station on the way to the track the 89 was the same price as 87 octane

look at it this way- this is a used stock 6.0L(364ci) engine with a set of stock GM truck heads(L92), the only aftermarket parts in the engine are the camshaft and valve springs, there is no machine work to the block, heads, crank,rods,pistons,, all bone stock and it is in a full weight vehicle with stock suspension. this is not a drag truck, it is a street vehicle and gets driven daily

anyone here run an old-school small block 350-360ci ?,, what would it take to get in the 10's with it ?,,, you would need lots of aftermarket parts,aftermarket heads ported/polished, stroker kit, pistons, huge camshaft, all the machine work to the block, and still need spray if you are using it in a stock weight vehicle with stock suspension, and it would probly idle like crap and not be much fun driving down the interstate at 3500 rpm or idle all day in town stop and go traffic


.

Last edited by jay_lt4; 07-16-2008 at 11:44 AM.
Old 07-16-2008, 11:44 AM
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Originally Posted by jay_lt4
yes the 850 is a bit to big, i had a 750 demon and should have kept it, but i got a good deal on the new 850 demon and i built my engine the same as the car craft L92 6.0L build and they had a 850 on there engine on the dyno

in the carcraft article on the dyno the 850 made more hp,, but that is not real world driving of the vehicle, my 750 had better throttle response, dont get me wrong, the 850 drives fine but just not as responsive and more lazy than the 750 demon i had.

i was looking around yesterday on e-bay and craigs list,, and i saw a predator carb for sale,, i think i might give that a try and just see how it runs, they always looked kind of neat and back quite a few years ago there was a couple guys in town here that had them and they were very quick cars

if the predator doesnt work out ill be going back to a 750 demon

i will be putting the 850 demon for sale sometime next week probly,, it would probly be perfect if someone had a larger cam or more cubes than what i have, and it is brand new
Some food for thought. Since you said the 850 worked fine except, in your words, it was "lazy" at lower RPM's, you could send it back to BG and have them change it to annular boosters. You mentioned you read CAR CRAFT. In their Aug. 2005 issue, they ran a tech article on just such a change. They compared a 750 straight leg carb to a BG5423020GC, which is basically an 850 with annular boosters. The throttle bores and venturis are the size of an 850. The increase in torque from 1800 to 3000 was unreal! The engine tested was a crate GM LS1 with GM ported heads and a GM single plane intake. Cam was same one I run, 222x234. in the article, the conversion was said to cost less than $100.00. I have tried to include the dyno numbers in a thumbnail that you can click on and hopefully it will enlarge enough that you can read the numbers. If not you, maybe this will help someone else who is wanting to try a carb. Besides, lol, if you try it maybe you will post the results so the rest of us will have back to back info!!!
Attached Thumbnails My carbed 6.0L L92 s-10 at the track-cp107.jpg  
Old 07-16-2008, 12:15 PM
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Great running truck, what kind of times does it run without the nitrous?
Old 07-16-2008, 01:56 PM
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Man, i glad to see some good lookin fast lil S-10s....
Old 07-16-2008, 05:49 PM
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The stock 6.0 your running ,is it a lq4 or a lq9 with the l92 heads?
Old 07-16-2008, 08:55 PM
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Originally Posted by Sheephead
The stock 6.0 your running ,is it a lq4 or a lq9 with the l92 heads?


2004 LQ4
Old 07-17-2008, 11:41 AM
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I wouldn't mess with a predator. Get yourself an hp750 and be done with it.
Old 07-17-2008, 10:06 PM
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I wouldn't use the predator either. demon's are hard to beat for the street.
Old 07-17-2008, 11:09 PM
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i dont know,, 2 days with the predator carb on and it is the best driving carb i have ever ran, idles good, no hesitations or surging,, drives great in town, any gear any load and you push the gas and it just goes, best throttle response i have seen, just instant response


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