whiterocz

are the bolt ins strong enough? if so where can i find some bolt on sfc's? im really looking for a pair i can bolt on, then place a few tack welds for double security.

Scott C

Bolt-ons are just as strong as weld-ons, but over time, the bolt holes may become rounded out causing a "loose" condition. Weld-ons will stay welded on forever under reasonable conditions.

Matt_91RSTPI

You would be better served going with a good set of weld in subframe connectors. Their benefits go beyond the structural rigidity they add. If you go with a set like the Global West or the Kenny Brown, which I have, you can use them to actually jack your car up from the side. It's a HUGE convenience on a lowered car and you don't have to worry about hitting the 3" factory jack area.

LeeH

iTrader: (2)

Weld ons.
I bought a set of Spohn subframe connectors, and hade Steve Spohn himself weld them on.

He puts a weld every 6 inches on the outside, and in as many places as he could reach for the inside welds. With bolt-ons, they are only bolted in a couple of places, so you don't get the structural rigidity that you have with welded ones.

I took pics of the install while he was doing it if you want to see the process - http://www.havemann.com/lee/images/subframe . These are big images, so if you have a dial-up connection, you may not want to go there.



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http://www.havemann.com/lee/firebird.html
1989 Firebird Formula, WS6 Package
ZZ4 Crate engine, Accel 24 pound injectors, Accel Superram intake, Accel Large tube runners
SLP 58 mm throttlebody, Edelbrock TES headers, SLP 3" SS exhaust, Random Tech 3" hi flow cat
700R4 trans w/ vette 2/4 shift servo, worked valve body, kevlar band, 2200 rpm stall converter
Borg Warner 9 bolt rear (full poly mounts) Hotchiss panhard rod, Lakewood LCA's, Spohn subframe connectors, custom chip.