1st run r/t .598 60 2.356 330 6.442 1/8 9.800 mph 73.50 1000 12.735 1/4 15.250 mph 89.76 2nd run 14 minutes later r/t .079 PERSONAL BEST OH YEHHHHHH 60 2.329 330 6.443 1/8 9.822 mph 72.81 1000 12.773 1/4 15.297 mph 89.47 still having a problem with timing have that hesitation stumble at full throttle..also the tires are breaking loose at the launch had spotter watching for this might try and get a set of street slicks... Just picked up a trailer so I do not have to drive the car back and forth I can trailer it..Tried to advance timing for third run but could not budge the distributor...Also I do have 2.79 gears need to upgrade over the winter when I can get the money....If I can keep on shaving off 10ths like this I will be a happy camper...last week best time was 15.77 trying to get to 13.5 or better....Oh yeh also changed my shifting point from last week shifting earlier....
slicks or dot drag radials will help a bunch. also remember, rule of thumb, every 100 pounds you can get rid of is .10 less on the et.
Stock suspension going to swap out the old sagging springs for a new set of 4 leaf maybe this weekend. Already have new stock shocks...Also looking for frame connectors....
the new suspension should help and so would the tires. it sounds like your on the right track. just keep working at it.
if you are running a strictly drag only car...lock out the timing and get it set were the car runs good....probably somewhere around 37-38* and the hesitation will likely go away.
What carb you running? That stumble could be carb. Also, you might get better times with a little wheelspin. Your gears are killing you, if you can get some spin and raise the rpm, it can help. Did help me. With traction and highway gears, mine bogged so bad that there was no recovery. Wheel spin got my rpms up enough to have the cam in it's power band when it would hook. Just a thought.
drags what are you running in your set up? Along with gears and that depends on the cam and carb. 3.55s or 3.70s would probably be best and a good shift kit in your trans. Also tune the carb and not just the ignition, what is your exhaust system?
Ricky I am running a 302 w/edelbrock rpm intake 1 inch spacer, holly 600, msd ignition, mild cam, hooker headers,duel exhaust,c-4 trans. 2.79 gears,eagle gt 235/65/15 burnt up bad...Just got a holley 650 double put it on the car without the spacer and the hesitation is gone but I feel the car might be running slower. have to take a timed run and see if it is slower or not.. Also got my hands on a set of 3.40 gears that need to be looked at before I install them.. will let yall know next week what the times are up to. Want to get a set of shorter tires maybe slicks on 14 rims....
The DP won't slow your car down if you tune it properly. Sounds like the accel pump circuit is tuned if your hesitation is gone. You might consider tuning the hesitation out of the 600 for street use, without a spacer... and use the spacer with DP 650 at the track. The DP will kill your street economy. The car might feel slower because there is no 'drama' going on, or it just might need a jet change. It is common for the car to feel slower when carb problems are straightend out. When there is jerking, hesitation, and drama in general, you feel the activity, even though it isn't good. When the carb runs properly, it should be smooth as silk. This makes it feel like it's not doing as much work. It's a perception thing. Ever hear someone say "you should feel the secondaries kick in", or things to that effect? If you feel it, the carb is not tuned and the car is slower than if you don't feel it.
Thanks for the advice always looking for ideas.. I have decided the car will only be on the street to go to local shows and possibly a cruise or two, mainly trailered back and forth to the track..
my car ran the best when i timed it at 38* at 3000 rpms and do not touch initial timing at idle after you set it..
