novak sbc vs advance sbc adapter one better??

the novak and advance small block chevy adapter has a second 3 inch thick plate adapter to allow for the 10 1/4 inch input shaft from the t-98 trans and advance also offers a second adpater that comes with a 7.75 inch input shaft with 17 teeth gear to change out the t-98 trans 10 1/4 inch shaft . my thoughts are which is better the novak allows the chevy engine to move forward away from the firewall for more distributor clearance but does this change the clutch linkage . the advance adapter has the 7. 75 inch input shaft to change out the 10 1/4 inch input shaft but does this change the clutch linkage . also the novak calls for a 4 11/16 inch ring vs a 5 1/2 ring for the chevy bellhousing what is this ring for exactlly . so does the adapter from novak and advance that has he second 3 inch plate allow the clutch linkage to stay in the same place with new new chevy bell housing or does the advance adapter with the 7 3/4 replace input shaft allow the clutch linkage to stay the same with the chevy bell housing ???

I would call Novak and or AA to find out your question. If you used a hydraulic clutch setup you wouldn't have to worry.

Go hydro and call it done. No fussin with linkage. Use a CJ master if you can't find a stock Gladiator master. Just make sure the piston sizes match.

I used a hydraulic master and slave from a 1986 xj. Very straight forward, might have to build a bracket to mount the master off the firewall, and a bracket to mount the slave off the bellhousing. Other than that it wasn't that difficult.

I have the Novak with the clutch adapter piece for the mech linkage, works fine and no worries about the cylinder going out while im running around, I suppose if your hardcore off roading the hydraulic set-up would be better but for daily driving and trail running I would stay with the mech set-up less modifications as well.
just my .2