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02-13-2001, 07:35 PM | #1 |
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Join Date: Feb 2001
Location: Norman OK
Posts: 14
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Drag times
I took my car to the stip the other day and they would not let me run it b/c their was no battery hold down, but I ran afterwards with a friend and we ran the exact same. So I am going to assume I am running a 14.7. I think this is way to slow for my setup. I want to get some imput on your guys and if anyone has a similar setup that would be a great measuring stick.
I have a 68 coupe with a 351W forged Pistons, TFS aluminum heads, 1 5/8 Hooker Headers, Weiand Stealth Dual Plane manifold, 1.6 roller rockers, I have a 272 advertised duration cam with .484 lift. I have a holley 600 cfm carb. I also have a shift kit, but I do not have a stall, and I run 2.73 gears. |
02-13-2001, 08:08 PM | #2 |
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Join Date: Feb 2001
Location: Stockton, Ca
Posts: 599
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Now if your lift is correct with the duration on it. I think that you need a stall converter badly with at least 4.11 gears. I would recomend that you take that cam off better. I would put at the most a 230 degree duration with a .456 lift a tci break away converter and any gear ratio after 3.25
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02-13-2001, 09:06 PM | #3 |
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Join Date: Nov 1998
Location: Houston, Tx.
Posts: 3,887
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Sooner, your car should be running faster. Especially with those TFTW heads. The main thing you need is lower gears and possibly a higher stall converter.
In my '66, I'm using the following: 306 CID, windage tray, crank scraper, TRW flat tops, 9.5/1 CR., 351W heads pocket ported, gasket matched, 1.85/1.55 valves with 3 angle valve job, Performer with 600 Holly vac. secs., 268 HE CC cam, CC roller tip rockers (1.6), Tri-Y headers with Flows and custom 2 1/2" pipes, C-4 with B&M shift kit, and 2500 TCI, 3.25 Traction-lock axle. Total car weighs 3020 without me. Go through everything tuning-wise. I now use smaller primary Holly jets, lower # power valve, and weaker secondary spring from what I started with. I'm running a whopping 45 degrees total advance on the timing curve. You won't need that, but is only an example of what I found that needed to be done. Tune it yourself or take it for a dyno tune. It took me a couple of liesurely years to get my set up more or less correct doing it myself. I think I'v knocked off a full second from where I started with a 2.80 one legger a few years ago. My car now runs 13.95/100. I'll bet you do better than that with those heads. That's my next move. Rev ------------------ '66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph 1/4 mi. |
02-14-2001, 10:37 AM | #4 |
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Join Date: Oct 2000
Location: Atlanta,GA,USA
Posts: 278
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I agree, you need some tuning if that is an accurate est. ET. My car runs low 13's all day long while baking the street tires.
------------------ 67 Fastback - Arctic White Pearl paint 351W ,Trick Flow Aluminum Heads, Edelbrock TorkerII, Comp. Cam, Performance Automatic C-4 Trans, 3.55 gears, Front Disc Brakes, 1-1/8" Fr. 3/4" rear sway bars. My 351W Fastback |
02-14-2001, 01:29 PM | #5 |
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Join Date: Feb 2001
Location: Norman OK
Posts: 14
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Thanks for your advice guys. The cam is not that extreme is it? It is 216 degrees at .50 lift. Could a big dent in one of the header tubes that prob reduces flow to 50% on that one tube cause much of a problem. Thanks again, any advice is always appreciated.
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02-14-2001, 01:58 PM | #6 |
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Join Date: Oct 2000
Location: Atlanta,GA,USA
Posts: 278
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217 @ .050 is not extreme, that dent will hurt power, but not too much. I would suggest getting 3.55 gears. Those gears and some tuning should easily get your car into the 13's. You may want a higher CFM carb (I am running a 750), but not before you get new gears.
------------------ 67 Fastback - Arctic White Pearl paint 351W ,Trick Flow Aluminum Heads, Edelbrock TorkerII, Comp. Cam, Performance Automatic C-4 Trans, 3.55 gears, Front Disc Brakes, 1-1/8" Fr. 3/4" rear sway bars. My 351W Fastback |
02-16-2001, 01:17 AM | #7 |
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Join Date: Feb 2001
Location: Norman OK
Posts: 14
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Thanks Tom,
I added a Holley Pro-Jection 900 CFM, (such a big size only b/c I got a really good deal, it is the analog system) Well you guessed it, now it is bogging out really bad at low RPM's but I do think higher RPM is improved. I will keep trying to tune it down at lower RPMs. I dont know if this will cure everything or not. By the way, I am new to the board, my name is Joey Higgins, and I live in Norman Oklahoma home of the University of Oklahoma Sooners. If anyone is from around here I would like to know where you cruise so I could get a look at your cars and talk Mustangs. Thanks, Joey Higgins |
02-16-2001, 05:58 PM | #8 |
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Join Date: Sep 1998
Location: Millburn, NJ
Posts: 310
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Welcome aboard Joey!
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02-19-2001, 02:32 PM | #9 |
Registered Member
Join Date: Feb 2001
Location: Norman OK
Posts: 14
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Tom,
What size cam do you run? Do you think doing some basic porting on the heads would help very much? Thanks |
02-24-2001, 08:49 AM | #10 |
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Join Date: Feb 2001
Location: Norman OK
Posts: 14
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ttt
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