"if you make a .25 in ring gear spacer, the 3 series gears will fit in it."

Have any of you all done this?
Will it hold up to my ZZ4 with drag radials?
What about later on when i get miniram cam and 100 shot of nos?


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17 from Wichita, KS (previously newbieZ28)
1988 Iroc-Z ZZ4 tpi, ttops, 50k miles on chassis (edelbrock tes, stock tpi) free mods etc coming soon after first 1/4 times!
1985 Z28 LB9 option [STOLEN!] Click here to see

http://thirdgen.bawx.org
K.I.S.S - Keep It Simple, Stupid.

 

btt

 

what ratio did your come out with origionally ???
if was 3.27 the 3.73 ratio should go straight in without a spacer may 88427 is doing this swap now post a message for him and i am sure he can help you

 

i have 2.77's

 

kream..call drive train specialties, they go by DTS. You should be able to get their # from the ads in super chevy or chp. I went from 2.77 to 3.73s w/ their kit. No probs in 2 yrs since I've done this. My car goes low 12s w/ low 1.70 60 ft times on DR. Hope this helps.

 

woah, from 2.77 to 3.73? now thats a break through for me...especially since i don't expect to get too funky with my ride but do want to be able to grin when i kick it...

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89 IROC-Z 350 TPI

-Flowmaster Catback
-Performance Resource Chip
-700R4 (Rebuilt) Too much done to actually list
-K&N Airfilters
-Ported Plenum
-2.77 Gears (not much to brag about but eh, its there)
-MSD 8.5 mm plug wires
-Problems every other day with the car (probably not a mod, but to me it sure makes a difference)

 

Richmond sell gears that enable you to use your 2 series carrier with higher (numerically) gears than normal. Look in Jegs