Red Top vs. Black Top

[black240sx]

go for the sr20 black top vvt,i have one..it's the best sr engine dat dey ever have...so don't think twice...go 4 it,u will be suprise...wit the power it have..

 

[SileightyBoi]

REDTOP FTW......... fuk i wish i stil sr but o well.....time for sumthing new

 

[kwkouki]

Now there is also the elusive finned head redtop s13 sr which has 54c pistons but lots of people could just be swapping valve covers and confusing importers.

Thanks for clearing all that up for me man. Its nice finally knowing what engine I have. I appreskiate it :bigthumbu

 

[Tonymac]

Thanks for clearing all that up for me man. Its nice finally knowing what engine I have. I appreskiate it :bigthumbu

With the fins cast in the head, chances are you have the updated bottom end. Which ECU came with your car? Do you have a fat-type or skinny-type o2 sensor?

 

[PB&J]

this thread should be done and over with. The point was made like 10 times over.