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capev86 · 04-09-2010, 10:36 PM

on my 74,000 mile 72 burb 3/4 ton 2wd with 307, 3 on the tree, 4.57 rear....

installing a 4.10 third member into the HO52
swapping in a 406sbc
adding the factory borg warner OD unit
putting in a McLeod ceramic clutch at engine swap

the rear gear swap will be done in the next few weeks along with royal purple gear oil, i drained and put in royal purple manual trans fluid in the saginaw and currently working on an 85 q-jet / edelbrock intake swap on the 307 so i can use the truck this summer for towing the family's 6000 pound '71 holiday trav'ler 23 footer that has been in the family almost since my dad got his first suburban (a 72 1/2 ton) in 1983. if this had been a floor shift truck, i would have ripped out the trans and put in an aftermarket modded late model 6 speed w/ a mechanical clutch conversion and features overdrive ratios in 5th and 6th gear with a lower first ratio than the saginaw. but i do like having a column shifter with a bench seat, but getting to drive a stick trans. just wish 3rd gear didn't come into play at 25mph!

04-09-2010, 10:36 PM	#6
capev86 Registered User Join Date: May 2009 Location: Eliot, Maine Posts: 1,314	Re: keeping 3 on the tree on my 74,000 mile 72 burb 3/4 ton 2wd with 307, 3 on the tree, 4.57 rear.... installing a 4.10 third member into the HO52 swapping in a 406sbc adding the factory borg warner OD unit putting in a McLeod ceramic clutch at engine swap the rear gear swap will be done in the next few weeks along with royal purple gear oil, i drained and put in royal purple manual trans fluid in the saginaw and currently working on an 85 q-jet / edelbrock intake swap on the 307 so i can use the truck this summer for towing the family's 6000 pound '71 holiday trav'ler 23 footer that has been in the family almost since my dad got his first suburban (a 72 1/2 ton) in 1983. if this had been a floor shift truck, i would have ripped out the trans and put in an aftermarket modded late model 6 speed w/ a mechanical clutch conversion and features overdrive ratios in 5th and 6th gear with a lower first ratio than the saginaw. but i do like having a column shifter with a bench seat, but getting to drive a stick trans. just wish 3rd gear didn't come into play at 25mph!