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#1 |
Registered User
![]() Join Date: Oct 2009
Location: SoCal
Posts: 815
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Big Block Lowering Question
Im installing a BBC into my 73 1/2 ton. I will have 2.5 drop spindles. Im going to use 3/4 ton BBC coils. How much should I cut to achieve a total of 4" drop on the 1/2 ton?
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#2 |
Registered User
Join Date: May 2010
Location: Kenova, WV
Posts: 821
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Re: Big Block Lowering Question
I have one that is bb 2.5 drop spindles I cut one round off for a another 2in drop it was a 3/4 change to 5 lug
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#3 |
Registered User
![]() Join Date: Oct 2006
Location: Southern Kalifornia
Posts: 3,066
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Re: Big Block Lowering Question
You pullin apart the 'burb already?
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#4 |
Registered User
![]() Join Date: Oct 2009
Location: SoCal
Posts: 815
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Re: Big Block Lowering Question
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#5 |
Registered User
Join Date: Nov 2012
Location: Salt Lake City, UT
Posts: 520
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Re: Big Block Lowering Question
I have a 78' big ten. five lug. came stock with the 454.
I've installed a 3" spindle and cut 2 full coils from the spring. It has about a 6 inch drop. So If you wanted a 4" drop on yours, you should probably only cut off 1 coil which is about 1.5-2 inches. Measure twice, cut once (or multiple times if you want to go lower ![]() |
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#6 |
Registered User
![]() Join Date: Oct 2009
Location: SoCal
Posts: 815
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Re: Big Block Lowering Question
Looks good. But a 3/4 ton bbc spring is still different than a 1/2 ton bbc spring. Im figuring I might need to cut 2 coils.
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#7 |
Registered User
Join Date: May 2010
Location: Kenova, WV
Posts: 821
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Re: Big Block Lowering Question
two coils will be to much the ride will be bad every full coil cut off is 2" of drop
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