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1st time on track little dissapointed #1229127 05/07/12 10:50 PM 05/07/12 10:50 PM
Joined: Jun 2009 Posts: 146 Queensland,Australia T T-bar OP member
T-bar OP member T Joined: Jun 2009 Posts: 146 Queensland,Australia	Hey all, i had my 70 Cuda out for the first time at an 1/8th mile track on the weekend and was a little disappointed on the results. I know this can be open ended question but can you give me some ideas on what i can do to get the times lower. The best time was 7.57 at 92.98 mph and 60ft 1.72. A few of the other runs were close to that area as well. Now the combo is 496rb 10.5 compression flat tappet .565" lift on both and .274 deg @ .50 eddy rpm performer heads with light porting (no flow numbers) 440 victor intake 1050 quick fuel carb 4150 converter stalls around 3500 (unsure) 727 full manual 3.91 diff gears 295/65r15 mickey thompson et's So any thoughts?

Re: 1st time on track little dissapointed [Re: T-bar] #1229128 05/07/12 10:58 PM 05/07/12 10:58 PM
Joined: Jan 2003 Posts: 1,412 Johnstown 69dart pro stock
69dart pro stock Joined: Jan 2003 Posts: 1,412 Johnstown	Needs 4.10 gear or more and about 5000 stall converter. Not ideal for street driving though. 33 Plymouth Roadster - 383 - 5.90 1/8th 9.58 1/4 68 Dart - 340 66 Belvedere - 400 Windy Hollow Garage - https://www.youtube.com/@windyhollowgarage

Re: 1st time on track little dissapointed [Re: T-bar] #1229129 05/07/12 11:07 PM 05/07/12 11:07 PM
Joined: Oct 2005 Posts: 164 Savannah, GA mopar400 member
mopar400 member Joined: Oct 2005 Posts: 164 Savannah, GA	Congrat on getting to run your car! The 60ft seems a little slow. What is done to the suspension? What does the car weigh? I'm guessing you're giving up a good amount of time with the wrong torque converter (in the 60ft). Kevin 1965 Fury II 1970 Challenger 440, 509 cam, 11:1 w/ 452 iron heads, 6.99 1/8, 11.29@ 120mph 1/4 (1999 Magnolia Drag strip track champion) 1992 Jeep XJ Crawler

Re: 1st time on track little dissapointed [Re: 69dart] #1229130 05/07/12 11:09 PM 05/07/12 11:09 PM
Joined: Jun 2009 Posts: 146 Queensland,Australia T T-bar OP member
T-bar OP member T Joined: Jun 2009 Posts: 146 Queensland,Australia	Thanks for the reply, i don't really want to get lower gears but i was thinking of a 28" tall tyre would that get the gearing down enough? Was also trying to get a higher stall but don't want to buy new just yet because thinking of upgrading the cam.

Re: 1st time on track little dissapointed [Re: T-bar] #1229131 05/07/12 11:13 PM 05/07/12 11:13 PM
Joined: Oct 2003 Posts: 3,698 NE Oklahoma V Von master
Von master V Joined: Oct 2003 Posts: 3,698 NE Oklahoma	Unless you have alot of glass components....too much cam for a heavy car... Not enough gear, converter or compression for that cam... 4.10s at a minimum, 5k flash at a minimum and IMO 11.0-11.5 comp. 4.10s and a quality 8inch WILL drive fine and dandy on the street....Although IMO with 500 cubes the gear isnt the deal breaker w 28 inch tire...with 30 inch tires 4.10s-4.30s. Your combo (when right and if the heads are decent to good) should go 10s... 72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.

Re: 1st time on track little dissapointed [Re: T-bar] #1229132 05/07/12 11:14 PM 05/07/12 11:14 PM
Joined: Jan 2005 Posts: 1,260 Las Vegas NV moparmanjames pro stock
moparmanjames pro stock Joined: Jan 2005 Posts: 1,260 Las Vegas NV	Quote: Thanks for the reply, i don't really want to get lower gears but i was thinking of a 28" tall tyre would that get the gearing down enough? Was also trying to get a higher stall but don't want to buy new just yet because thinking of upgrading the cam. You might want to go with a little less duration at .050" and a tighter lobe separation, say 265* at .050" and a 106 to 108 lca advanced 4* to really provide some grunt for those gears and converter.

Re: 1st time on track little dissapointed [Re: mopar400] #1229133 05/07/12 11:15 PM 05/07/12 11:15 PM
Joined: Jun 2009 Posts: 146 Queensland,Australia T T-bar OP member
T-bar OP member T Joined: Jun 2009 Posts: 146 Queensland,Australia	Hay Kevin, yes it's been two years since i got the car and had a ball racing again as it's been about twenty years between runs. The car weighs 3630 with me in, standard springs that have been reset down, with kyb gas adjustable shocks on rear and standard shocks on the front. It launched fairly even and straight.

Re: 1st time on track little dissapointed [Re: moparmanjames] #1229134 05/07/12 11:26 PM 05/07/12 11:26 PM
Joined: Jun 2009 Posts: 146 Queensland,Australia T T-bar OP member
T-bar OP member T Joined: Jun 2009 Posts: 146 Queensland,Australia	I've had thoughts on pulling the heads have some more work done and bumping the compression up and changing to a roller cam in the future. So would a gear and convertor change bring the time down much? in it's current state.

Re: 1st time on track little dissapointed [Re: T-bar] #1229135 05/07/12 11:31 PM 05/07/12 11:31 PM
Joined: Nov 2004 Posts: 3,544 Syracuse,NY CompWedgeEngines master
CompWedgeEngines master Joined: Nov 2004 Posts: 3,544 Syracuse,NY	1) 60' is too slow ( gear and converter plus.....) 2) carb is too big 3) I dont think the cam is that big of a problem ( at this point, albeit a 496 could handle more cam, but you dont have a lot of compression, so there is a compromise going on there) Work on 60' first, then the rest will come around. Your MPH indicates low 11's, but wont get there with that 60' Make one change at a time. Dont overcam the heads, if they havent really been ported. What LSA is the cam, and how is it installed? RIP Monte Smith Your work is a reflection of yourself, autograph it with quality. WD for Diamond Pistons,Sidewinder cylinder heads, Wiseco, K1 rods and cranks,BAM lifters, Morel lifters, Molnar Technologies, Harland Sharp, Pro Gear, Cometic, King Engine Bearings and many others.

Re: 1st time on track little dissapointed [Re: T-bar] #1229136 05/07/12 11:34 PM 05/07/12 11:34 PM
A Anonymous Unregistered
Anonymous Unregistered A	What kind of distributor/ignition and curve do you have in it? I've seen guys drop loads of money on engine, trans and a gear only to put a stock advance distributor in the hole.

Re: 1st time on track little dissapointed [Re: T-bar] #1229137 05/07/12 11:39 PM 05/07/12 11:39 PM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Quote: Hay Kevin, yes it's been two years since i got the car and had a ball racing again as it's been about twenty years between runs. The car weighs 3630 with me in, standard springs that have been reset down, with kyb gas adjustable shocks on rear and standard shocks on the front. It launched fairly even and straight. I agree on the duration being big for you...get the front loose so it will lift and transfer the weight.. that will help your 60'(your probably spinning with a 1.72)

Re: 1st time on track little dissapointed [Re: T-bar] #1229138 05/07/12 11:39 PM 05/07/12 11:39 PM
Joined: Feb 2004 Posts: 6,257 acworth / N. georgia - south e... cheapstreetdustr master
cheapstreetdustr master Joined: Feb 2004 Posts: 6,257 acworth / N. georgia - south e...	yes a gear will be easy and make a huge difference, have you gotten alot of wheel spin? on that 1.76 launch? its a heavy car but at the cubes your using...it should go faster for sure.. 365" Iron J heads,,3480lbs best 1.39 60ft on SS springs.10.54,124 mph ...6.67 1/8th et.average 60fts 1.46 w/ small cam &.063 no2 pill tagged & insured [image][/image]

Re: 1st time on track little dissapointed [Re: CompWedgeEngines] #1229139 05/07/12 11:49 PM 05/07/12 11:49 PM
Joined: Jun 2009 Posts: 146 Queensland,Australia T T-bar OP member
T-bar OP member T Joined: Jun 2009 Posts: 146 Queensland,Australia	The info of the internals of the motor are what the bloke i bought it off said it was so i can only go on this but the cam is degreed at -3.0 and with 114lc thats all i got in that regards. The ignition is an electronic msd unit with 6a box and blaster 2 coil. I did have the car on a chassis dyno before i raced it and the a/f ratio was good but it did only manage 385 rwhp at it's best.

Re: 1st time on track little dissapointed [Re: CompWedgeEngines] #1229140 05/07/12 11:49 PM 05/07/12 11:49 PM
Joined: Oct 2005 Posts: 164 Savannah, GA mopar400 member
mopar400 member Joined: Oct 2005 Posts: 164 Savannah, GA	Quote: 1) 60' is too slow ( gear and converter plus.....) 2) carb is too big 3) I dont think the cam is that big of a problem ( at this point, albeit a 496 could handle more cam, but you dont have a lot of compression, so there is a compromise going on there) Work on 60' first, then the rest will come around. Your MPH indicates low 11's, but wont get there with that 60' Make one change at a time. Dont overcam the heads, if they havent really been ported. What LSA is the cam, and how is it installed? I was thinking the same thoughts by comparing his times to my car. My car weighs the same and just has a mild 440 with 11:1 comp., iron 452 heads and a 509 purple shaft, 4.30 gears and 29.5 slicks. It would run 7.20's pretty consistant (best 6.99). I would think he would be making a good deal more power. His 1/8 MPH is pretty good. I think he should be doing atleast low 1.6's in the 60ft. I would do some suspension tweaking and maybe some 28" slicks to start. 1965 Fury II 1970 Challenger 440, 509 cam, 11:1 w/ 452 iron heads, 6.99 1/8, 11.29@ 120mph 1/4 (1999 Magnolia Drag strip track champion) 1992 Jeep XJ Crawler

Re: 1st time on track little dissapointed [Re: cheapstreetdustr] #1229141 05/07/12 11:53 PM 05/07/12 11:53 PM
Joined: Jun 2009 Posts: 146 Queensland,Australia T T-bar OP member
T-bar OP member T Joined: Jun 2009 Posts: 146 Queensland,Australia	On the first run i did have a lot wheel spin so dropped the tyres down to 15lb and pretty much fixed the spin. If it did spin it would of being tiny. I haven't raced for so long i was still trying to get my self settled as well.

Re: 1st time on track little dissapointed [Re: T-bar] #1229142 05/08/12 12:11 AM 05/08/12 12:11 AM
Joined: Jun 2003 Posts: 52,972 Romeo MI MR_P_BODY Master
MR_P_BODY Master Joined: Jun 2003 Posts: 52,972 Romeo MI	Quote: The info of the internals of the motor are what the bloke i bought it off said it was so i can only go on this but the cam is degreed at -3.0 and with 114lc thats all i got in that regards. The ignition is an electronic msd unit with 6a box and blaster 2 coil. I did have the car on a chassis dyno before i raced it and the a/f ratio was good but it did only manage 385 rwhp at it's best. With the specs you said, that cam is for a blower engine... you dont want a 114 LSA cam and with that duration your cylinder pressure is WAY down... the piston is up to far in the bore when the intake valve closes

Re: 1st time on track little dissapointed [Re: T-bar] #1229143 05/08/12 12:21 AM 05/08/12 12:21 AM
Joined: Oct 2005 Posts: 164 Savannah, GA mopar400 member
mopar400 member Joined: Oct 2005 Posts: 164 Savannah, GA	Quote: The info of the internals of the motor are what the bloke i bought it off said it was so i can only go on this but the cam is degreed at -3.0 and with 114lc thats all i got in that regards. The ignition is an electronic msd unit with 6a box and blaster 2 coil. I did have the car on a chassis dyno before i raced it and the a/f ratio was good but it did only manage 385 rwhp at it's best. Wow. With that info I agree with the others! It's time for a cam swap! 1965 Fury II 1970 Challenger 440, 509 cam, 11:1 w/ 452 iron heads, 6.99 1/8, 11.29@ 120mph 1/4 (1999 Magnolia Drag strip track champion) 1992 Jeep XJ Crawler

Re: 1st time on track little dissapointed [Re: mopar400] #1229144 05/08/12 01:25 AM 05/08/12 01:25 AM
Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central RobX4406 I Live Here
RobX4406 I Live Here Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central	If that cam is installed 3 degrees retarded from the 114 LSA, it's NEVER gonna run without about a 300 hit of juice at the hit! 92mph in the 1/8th with a 496??? It's SLOW. 3300# a bodies with 450-480hp run in the 95-98 range.

Re: 1st time on track little dissapointed [Re: RobX4406] #1229145 05/08/12 02:24 AM 05/08/12 02:24 AM
Joined: Jan 2004 Posts: 13,247 Mt. Vernon, Ohio dartman366 I Live Here
dartman366 I Live Here Joined: Jan 2004 Posts: 13,247 Mt. Vernon, Ohio	I agree with Mike, you may see a big improvement in bottom end with just re setting the cam straight up or a couple of degree's advanced, it's alot cheaper than a bunch of new parts. Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.

Re: 1st time on track little dissapointed [Re: dartman366] #1229146 05/08/12 04:40 AM 05/08/12 04:40 AM
Joined: Jun 2009 Posts: 146 Queensland,Australia T T-bar OP member
T-bar OP member T Joined: Jun 2009 Posts: 146 Queensland,Australia	Well that gives me a good place to start thanks for the replies. I'm gonna get some 28" tall tyres as a start but i think i will do some investigation in the cam area. Again thankyou.

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