Thank you for trying Ben. This particular size has been out of production for 3+ years due to tire mold damage while shipping tire molds to Dunlop manufacturing plant in Portugal. Checked again with Dunlop racing while at Goodwood with no solid answer as to when the molds will be repaired and...
Lower front ball joint. Remove spindle nut and free ball joint from spindle. Remove retaining/adjusting cap from the bottom of the ball joint. Then remove the lower cup and push the ball joint out through the bottom. Use a pick to remove the upper cup. Clean all the pieces and inspect for wear...
It's amusing to me that neither one of the two guys that knocked this really nice ERA own a gt40 and that they both failed to recognize the Gurney heads. Way to go, guys!
No, You can use the same bolts just discard the large washers on the a-arm bolts.
I replaced my a-arm bolts with new grade 8 because they were slightly bent. It's probably a good idea to replace them anyway.
I have 4 lower A-arm support collars water jet cut from 1/4" 4130 moly and powder coated. Superformance MK1's did not come with these as the original cars had. They are a must if you track or aggressively drive your car. they are $100.00 + shipping from Socal.