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post #1 of 22 (permalink) Old 06-07-2006, 11:25 PM Thread Starter
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my first big block

This is my first big block really my first drag car i am 18 I have a 460 30 over bracket master cam, keith black flat tops, stock heads with 1.7 roller rockers, edelbrock torquer intake and an 850 holley. dont have a converter or trans yet. i was wondering if any one can get me in the ball park of what horse its putting out, and how fast it would go in the 1/8 mile any suggestions would help thanks. Travis

5.0 plus some. whatch u got chebby boy.
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post #2 of 22 (permalink) Old 06-08-2006, 07:17 AM
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Travis, welcome to the dark side. As far as the times your car will run, we need alot more info, weight of the car would be a big one.
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post #3 of 22 (permalink) Old 06-08-2006, 07:19 AM
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OOOH...the dark side....that just has a nice ring to it.........D
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post #4 of 22 (permalink) Old 06-08-2006, 07:28 AM Thread Starter
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yeah that would be good info, the car is gutted soon to have a 10 point cage and lexan windows all the way around, fiberglass hood, im guessing the car would be weighing in close to probably 2700 to 2800 pounds. since i am setting the car up for 1/8 mile im thinking about going to 4.11 gears. from the 3.73 street gears i had in there. whatever more you may need to know just ask. thanks for the fast reply's thanks Travis

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post #5 of 22 (permalink) Old 06-08-2006, 01:34 PM
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wild guess.... somewhere between a 6.10 and a 6.30 that isn't based on anythings just an educated guess. Could be miles off. We have no way of estimating your engine HP YET... cam specs, heads valve size convertor used etc.... all these things make a huge difference.

I was just thinking if you match it all up right you should make 600 Hp pretty easily. Probably more.... 8)
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post #6 of 22 (permalink) Old 06-08-2006, 05:17 PM
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Just for comparison purposes..........An '88 Ranger with 2 X 3 rails, 9.8 to 1 compression 514 with mildly ported alum CJ's, glide, 4.86 gears, 32" slicks.......at roughly your race weight (2700 lbs.) it goes 5.80's. I think that a little more gear (maybe 4.29's or 4.56's) should have you running consistent low 6's. With better heads, the fun factor goes up.

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post #7 of 22 (permalink) Old 06-08-2006, 06:16 PM
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here's a fairly close comparison- 88 coupe, 3300lbs w/ me in it, 473, 12-1 comp, tfs outta the box street heads, comp cams 306s magnum cam, victor, 850 holley, powerglide w/ a 4200 converter, 3.73 gear and 275/60r15 MT drag radials. I shift at 6100 rpm and cross the 1/8 mile mark at 4500rpm in 2nd best times so far is [email protected] hp calculators show me to have 490-495 at the rear wheels.

Now with a 150 shot of nitrous......tune in tomorrow night. If it doesn't r#@n, I'm spraying tomorrow night (for the 1st time)

http://img146.imageshack.us/img146/2158/ricksadql2.jpg
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post #8 of 22 (permalink) Old 06-08-2006, 08:46 PM Thread Starter
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Well i thank you all for your reply's im not to sure i was thinking around 7.90's to 8.20's in the 1/8 mile well here is most of the specs top to bottom
850 holley double pump, edelbrock torker II intake stock heads and valves, heads are drilled to accept rocker studs, comp cams 1.7 roller rocker arms, cam is a lunati bracket master II cam


Hydraulic flat tappet
Basic Operating RPM Range: 1,500-5,000 RPM
Intake Duration at 050 inch Lift: 214
Exhaust Duration at 050 inch Lift: 224
Duration at 050 inch Lift: 214 int./224 exh.
Advertised Intake Duration: 280
Advertised Exhaust Duration: 290
Advertised Duration: 280 int./290 exh.
Intake Valve Lift with Factory Rocker Arm Ratio: 0.516 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.543 in
.

that is the cam specs and keith black flat tops so around probably 10.5.1 maybe they are the smaller chamber heads.
and stock bottom end with double roller timing chain and high volume oil pump.

a buddy of ours has an 86 fox mustang his 460 is also 30 over 930 carb, performer rpm intake, edelbrock performer rpm heads, 609 lift cam thats all i know on cam specs and flat tops with stock bottom end any where from 10.5.1 compression to 12.5.1 i think it is 12.0.1 im pretty sure 4500 stall converter c6 3.89 gears and her runs high 6.80's in the 1/8 and i know that my motor is going to be putting out as much horse as his hes the one helping me put my motor together thanks Travis

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post #9 of 22 (permalink) Old 06-08-2006, 10:35 PM
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I'd get rid of the stock valves...before they destroy something AND, more cam. Think 235/245 for starters.

Some people can break a cannon ball, in a sand box, with their bare hands.
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post #10 of 22 (permalink) Old 06-09-2006, 05:18 AM
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If you're staying on the 1/8 mile.........more gear.

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post #11 of 22 (permalink) Old 06-09-2006, 08:14 AM Thread Starter
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probably what 4.56 gears. I have an 8.8 rear in the car.The motor isnt too wild at all the guy im getting it from ran the motor an an 84 ranger once but ran horribly its when he first tried getting into the big block's. 2 years ago the he ran put a 460 in his stang. stock heads but roller rockers smaller cam than what i said before and an 850 i think he was 7.50's wich was pretty dang good for what the motor had in it. he ditched that motor that was in the ranger and last year found it and baught it back so we are going to rebuild it. Trust me i would like to get rid of the stock heads completely and go with the edelbrock performer rpm's. but im on a budjet here since im still in school barely making over min wage. some people has cut me breaks and im just going slow with this project to get it right the first time. i dont want a cobble job. when it was in the ranger it ran horribly like 8.30's missin and poppin that was really the only motor he has had problems with. now with this 466 in his mustang hes found a good combo now.

5.0 plus some. whatch u got chebby boy.
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post #12 of 22 (permalink) Old 06-09-2006, 11:58 AM
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I understand budgets. However, going racing with stock valves can be a REAL budget buster when a valve head (you did know that stockers are 2 piece didn't you?) drops off and trashes lottsa other parts like pistons, heads, cylinder walls and maybe even a rod or 2. Check with "The Mad Porter" for a good set of budget priced 1 piece Stainless Steel valves.

Some people can break a cannon ball, in a sand box, with their bare hands.
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post #13 of 22 (permalink) Old 06-09-2006, 09:07 PM Thread Starter
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well i guess that we are going to throw the heads in that he used on his race car that was goin 7.50's last year on his car so i doubt those are 2 peice. wow i didnt know those were 2 peice. thats crazy. hey how do i post picures on here ill show you a picture of the car. Yeah budgets suck i only make 5.75 an hour but its great that i can walk to work. and who's the mad porter.

5.0 plus some. whatch u got chebby boy.
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post #14 of 22 (permalink) Old 06-09-2006, 09:25 PM
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I think your 8.20 guess is pretty close.............D....still examining your info.........D
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post #15 of 22 (permalink) Old 06-09-2006, 09:29 PM Thread Starter
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hey devil dog do you know how to post pictures on here

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