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honestly, you have gone pretty far already, and a full chassis will be far more car in terms of resale and consistency for racing. The stock suspension is heavy and it will limit the ability to move your weight to allow best transfer. I would go full chassis..



I will go a little further with my comments on this after running this season on a 4-link car that has stockish front suspension on it:

All the issues we had with consistency, reaction time, pulling hard one way or another, was the crappy factory front suspension parts! They are ok to a point, then you get to a certain ET and they are a big hinderence. All the slop, all the binding, all the variability in it causes issues. Full chassis and be done with it and not look back.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk