View Full Version : which headers fit
firebirdzig
02-25-2015, 06:48 AM
Which headers will fit a first gen fbody using hooker/Holley motor mounts and crossmember other than the hooker headers? Any style that fits an 98-02 fbody? Kooks? It is an LS2/t56 swap. Thanks
Toddoky
02-25-2015, 10:31 AM
Which headers will fit a first gen fbody using hooker/Holley motor mounts and crossmember other than the hooker headers? Any style that fits an 98-02 fbody? Kooks? It is an LS2/t56 swap. Thanks
Hey firebirdzig, I wanted to point something out to you to save you considerable grief and aggravation in your project. Any non-Hooker long-tube header you attempt to install with the Hooker engine brackets will suffer from poor ground clearance due to the fact that they are all designed around the higher installed engine height that results from using the factory frame stands/mounts and LS swap plates. The Hooker engine brackets position the engine lower in the subframe than is possible with that mounting method and the Hooker headers are designed around that geometry to tuck the collectors tight to the floor. Conversely, if you tried to install the Hooker long-tubes on an engine installed with typical swap plates, the collectors wound be jammed up against the floor and you would not be able to get the flange bolts installed at the cylinder head.
firebirdzig
02-25-2015, 10:54 AM
Ah I see, guess you don't have much of a choice in this matter than.
Toddoky
02-25-2015, 11:21 AM
I'd say not if you are using the Hooker mounting components on a lowered car and are concerned with optimizing ground clearance. In case you've never seen the ground clearance provided by the Hooker long tubes and exhaust systems for this application, here's a side-shot image of the ceramic coated 1-7/8" headers and the 3" exhaust system. The headers are also available in 304ss if you want to go the premium route. If you go with mid-length headers or manifolds then you have a far great range of fitment compatibility.
Todd
nats68
02-25-2015, 11:08 PM
I used the all the hooker/holley parts in my LS3/4l65e swap. Everything fits great. If you're already using the motor mounts I would use the hooker headers. They fit awesome and look real nice also.
davidomilligan
02-26-2015, 09:57 AM
With any swap setup its all designed to work around their parts so its easiest to do mounts, crossmember and headers all from the same company. thats why everyone offers them as kits now....speedtech, hooker, brp
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