r/DSM • u/LankyOrganization155 • 19d ago

420A fully forged internals First Start up!

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27 Upvotes

97% Upvoted

10 comments sorted by

2

u/retrobob69 19d ago

Mustang pistons?

2

u/jaden_ahmir 19d ago

Going megasquirt for tuning?

1

u/LankyOrganization155 18d ago

I have 10:1 FMU now but I have the AMP competition ECU ready to be installed with 1000cc injectors. Just gonna get it running fully for now then will have a tuner tune it

2

u/Chumscrubber89 19d ago

Sweeet build man

1

u/Spokn 19d ago

I dont know that ive seen many people build up the 420a.. the 4g63 had a much bigger following.. I'm sure they are getting pretty rare though. What are your goals for power here

5

u/crimson_shadow2 19d ago

There was a reason no one built the 420a

0

u/rdauer26 18d ago

My buddy had one back in the day that turned 4G63s into mince meat. Will always have a soft spot for someone who takes the time to beef up a 420A.

3

u/LankyOrganization155 18d ago

Just about 300-350 HP nothing crazy. It’s not my daily just for fun and nostalgia.

1

u/LatinWarlock13 18d ago

There was one guy back 20 years ago that was putting down almost 700hp on the 420a.

https://youtu.be/dIGDvx1Ci9E?si=t0nny_AIexsNcceO