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SBC to BBC Front Suspension
I've read about 20 past posts on this subject, but get conflicting information, so I'm gonna ask again! Sorry for resurfacing this subject.
I have a 70 c-10 that had a small block in it. I put a 3/5 drop on it with new springs about 5 years ago (so the springs are relatively new). I am now going to a 496BBC and also I'm putting a Willwod disc brake kit on it with 2" drop spindles. Technically, the drop will now be a 5/5 going forward. I want a slight rake to the truck, but not a lot. Questions: 1) Do you think I should swap the front springs to a 2" drop BBC spring? Or, can I leave it alone and expect a good ride with it with the SBC springs? 2) What do you think the rake will be with a 5/5 drop? Just curious how much I will need to bring the rear down. As always with you guys, thanks in advance. |
Re: SBC to BBC Front Suspension
Just realized I didn't put this in the suspension forum. Sorry mods.....
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Re: SBC to BBC Front Suspension
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I did almost the exact swap, except mines a 508 BBC from a small block 355.
i had to change the springs out, the 3" drop springs for SBC were sitting on the bump stops. I have the CPP modular spindles with 2.5" drop and CCP 12" big brake kit (at least it was the big brake kit 5 years ago when I bought it). Could not drive with SBC springs in place, once I swapped in the 2" BBC springs, yielded almost same drop as before, but with suspension travel now and able to drive it. post some pics and good luck |
Re: SBC to BBC Front Suspension
Thanks for the info Sir. I went ahead and ordered the 2" BB springs.
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Re: SBC to BBC Front Suspension
Quote:
Where did you order your springs from? |
Re: SBC to BBC Front Suspension
Performanceonline.com
I ordered an adjustable rear track bar from them too. |
Re: SBC to BBC Front Suspension
Ok, thanks.
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Re: SBC to BBC Front Suspension
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I'm too late for this to help but factory 1/2 ton big blocks came with stock 3/4 ton front springs. I ordered new stock 3/4's and cut one half of a coil off along with 2-1/2" drop spindles, that and 6" drop rear coils, adjustable track bar, stock shocks and SHOCK RELOCATOR KIT got me about the perfect stance on 15" wheels.
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Re: SBC to BBC Front Suspension
renokeene. is that gm factory 3/4 ton springs with a small block?
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Re: SBC to BBC Front Suspension
I'm running factory SBC coils with 1/2 a coil cut off, also 2-1/2" drop spindles, itty bitty 439 ci BBC LS killer motor...No issues, steers and rides like a Vette...;)
Skinny MT drag tires and wheels provide plenty of suspension clearance. |
Re: SBC to BBC Front Suspension
I went from a 250 to a 402 and did not change springs. I cannot tell the difference in ride height and it handles the same. Stock height though, not dropped.
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