Ls intake lq9 6.0

[Wasted Income]

Originally Posted by BR3W CITY

There are more than 2 intake types, but your correct that there are only two port Styles. Rectangle port and Cathedral port.

Don't forget about the LS7, which is also unique.

[BR3W CITY]

Originally Posted by Wasted Income

Don't forget about the LS7, which is also unique.

Ya but doesn't the LS7 use a rectangle port also? You can put the LS7 intake onto an LS3. The runner design is made for higher cube cars, but I don't know if I'd say its another port type. It'll interchange, just not necessarily make the best power on a sub-400ci engine

[homemade87]

Originally Posted by BR3W CITY

Ya but doesn't the LS7 use a rectangle port also? You can put the LS7 intake onto an LS3. The runner design is made for higher cube cars, but I don't know if I'd say its another port type. It'll interchange, just not necessarily make the best power on a sub-400ci engine

The ls7 will not fit the ls3. Different port locations.

[Wasted Income]

Originally Posted by BR3W CITY

Ya but doesn't the LS7 use a rectangle port also? You can put the LS7 intake onto an LS3. The runner design is made for higher cube cars, but I don't know if I'd say its another port type. It'll interchange, just not necessarily make the best power on a sub-400ci engine

Yes, it does use a "rectangle" port, but LS7 heads are completely different than LS3 heads...larger intake and exhaust ports, different valve angle, larger valves, and as homemade87 pointed out, the port and intake manifold bolt spacing are different.

[Willie Makeit]

Originally Posted by BR3W CITY

Ya but doesn't the LS7 use a rectangle port also? You can put the LS7 intake onto an LS3. The runner design is made for higher cube cars, but I don't know if I'd say its another port type. It'll interchange, just not necessarily make the best power on a sub-400ci engine

No sir. The shape of the port is quite different.

Left to right:

CATHEDRAL
RECTANGULAR
LS7