[87allante4.9swap]

Due to the smaller valve size would the 425 be a good candidate for turbo?

If so.... How many lbs? Better pistons?

Do I have to lose my a/c compressor to upgrade intake?http://www.cadillacforums.com/forums/images/smilies/fryingpan.gif

 

[Angry Matt]

From what I've heard, a 472/500 intake is a slight upgrade for a 425. There are people that sell them ported. If you go to an aluminum one like a bulldog or an edelbrock I don't think the long a/c compressor will work. They are 3" taller. MTS sells brackets for a/c compressors specifically for that. I'm not sure which compressor you have to use though.

 

[87allante4.9swap]

after reading up on this engine i've decided to junk it. These are great for keeping the car from flying away in a tornado that's about it!!!!

 

[Angry Matt]

Junk the car or the motor? Keep the car (if it's worth it) and put a 472 or 500 in it!

 

[87allante4.9swap]

I'm just gonna give it all to my brother. That's pretty much the same thing as junking it. I got a new another Allante so i'm going waste all my money on it instead.

 

[Angry Matt]

Lol. I got a brother like that too. He either blows motors or runs into trees.