Fast (78mm) Vs Ls6
If yo have a bolt on car with a LS-1 intake, then the 78mm might be the way to go if you never plan on upgrading. If you think you can use the potential of the 90 later on down the road, just keed the LS-6 intake and buy the 90 later when it's needed.
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo
Originally Posted by Beast96Z
If yo have a bolt on car with a LS-1 intake, then the 78mm might be the way to go if you never plan on upgrading. If you think you can use the potential of the 90 later on down the road, just keed the LS-6 intake and buy the 90 later when it's needed.
Exactly. The 90 is worthless on a bolt-on car. It will work but not any better than a LS6, just aint worth the money. 
Originally Posted by NickcZ28
Will The Fast (78mm)pickup Over Ls6
Just FWIW.
Mike
Originally Posted by V6 Bird
To say it doesnt pick up over the ls6 would be an understatement because I had Hooker LT's and 3" duals before with the LS6.
Originally Posted by Y2K SS
Don't think that came out quite the way you wanted it to. Is your car modded beside the Lt's??
Car was making 350ish before and made 396 at peak after all the swapping at the same time.