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I think it is G.M. Performance or Chevrolet Performance . Go on line and they have a catalog you can down load . Has all the info i think you are looking for .

where are you located ? Thank You .

Ok a dyno will tell you static H.P. not dynamic . Air weighs zero . Fuel is a liquid so when you accelerate it goes to the rear . But when you enter the corner and turn left the fuel goes right . So...

First off this web site logs me out before i finish . We race with a built motor Have to wt. 3300 . 602s 3000 . we pull a 6:83 gear and turn 6800 to 7000 . 602s pull a 6:50 gear and turn 6600 to 6800...

Could be leaking out of the back of the yoke . It has a seal like a freeze plug but flat . Try to clean it with carb cleaner and put silicone around it .

Repost under tech .

Go look on Racing Junk under transmissions .

There is a guy in the nesmith street stock class with a 602 that turns 6800 rpm . Last year we had a built 2 bbl motor we turned 7800 to 8000 every week every lap . Won 6 in a row . The crates would...

We run street stock with a built motor with a 2 bbl. . The crates motors have more torque (bottom end) than a built motor . They jerk out panties down on the start .We re degreed the cam got the...

If you are off lr the spring and let off the gas which rear tire will have the most weight on the tire ?

If you are off the spring and let off the gas which rear tire will have the most weight on the tire ?

But a softer lr spring will tighten the car up on enter off the gas . Off the gas the rr will plant the tire to the track so the front end will go up the track .

Hot laps about 80% to 90 % rear on 3 wheel brakes . Heat might be 60% to 70% rear might still be on 3 wheel brakes might switch to 4 wheel . Main 50 % to 60% rear on 4 wheel brakes . Think about it...

Could the 1.5 rr lead be pushing the car up the track . That sure is a lot of lead . You would think that would make the car loose ,but if you go to far i think it would make it walk sideways so you...

Our car and the drive didnt like a 325 rf . JJ128 is right on to . Put washers under motor mounts . Another thing is do you trail brake . If you dont learn to as you go into the corner roll on to the...

Sometimes we would dewedge (bite in right rear not the left) when the track is real heavy and going to stay that way all night .Like winter and early spring . Move your lr bottom rod back to standard...

Lower the bite down to 35 lb. ,less rear 53.5 , lndex right top bar down on birdcage one hole . Hot laps move both right side bars up on frame one hole . She will turn . Have to free the car up . Not...

We would pull the RR forward 1/4 to 3/8 and soften the right side RF and RR . This will make the car turn more at the flag stand .

Read his post again . He said unhooked tach and all gauges .

I looked in my 2015 G.M. Performance Catalog and you are right they dont make them anymore . They have 18 degree alum. . Sorry . I know the darts are good . I think that is the one that will run...

Be sure and ask about the push rods . Most of them will have to have offset lifters and rockerarm setup . I know there used to be one that 23 degree lifters and rockerarms would work . One reason im...

I forgot about dart too . G.M. performance also has them in one of there older catalogs .

RHS did . Dont know if they still do .

Need more info . Class , type of car , springs , weight , % ,motor , tires . This will help everybody so they can help you .

I was afraid of that . If you dont have any more shocks to try . Swap the rear shocks around for the main .