I swapped the LS1 intake onto my LM7, although mine is boosted so I dunno how much of a difference in power there is. I will likely switch to a sheet metal intake in the future anyways.

The mods I had to make were:

- an idler pulley relocation bracket(cut off where it currently is on the alternator bracket)
- Turn the water pump neck so its more forward facing(turning it wasnt as easy as I thought it would be)
-Cut grind out rear of alternator bracket to make room for steam vent tube
-Use 90deg AN or JIC fittings to fit crossover tube(if aftermarket fuel rails)

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Note! Be very careful with your belt selection with the new angle of wrap on the idler pulley and tensioner! Alot more stress is out on it. I've broke 3 tensioners, but have sorted out the issue