What all needs to be changed when putting a 350 in, rather than the stock 305?
45

Asked by Roys1 Oct 20, 2015 at 09:54 AM about the 1997 Chevrolet C/K 1500 Silverado Extended Cab RWD

Question type: Maintenance & Repair

My buddy has a 1997 Chevy Cheyenne that he blew the motor on, i
understand its a 305, and if i did the swap i would want to put in a 350, but i
dont know what to get, is it a Throttle Body Injected intake? Ive heard that it
is EFI but i dont fully understand what the difference is if there is any. Being
a 97, it would still need to pass emissions, so the computer system would
have to sync up, if its not needed i would prefer not to have to replace the
computer so if i go with a 350 could i use the 305 computer? Thanks in
advance

1 Answer
60,285

Andrew answered 8 years ago

You need a 96 and up year model engine. The earlier ones are the old tbi engines and the one you have is called a vortec. Google the engines and you can visually tell the difference pretty quick. If you run a 350 you need to run the computer for it. It's very easy to swap the computer, if I remember it mounts under the hood anyway. Just get it from whatever you grab the motor from. Make sure it's the same trans as yours, (automatic or manual).

Mark helpful

Your Answer:

Related Questions

Shortcuts

Search Chevrolet C/K 1500 Questions

CarGurus Experts

  • #1
    Andrew Olsen
    Reputation
    15,740
  • #2
    Rowefast
    Reputation
    9,510
  • #3
    John Saffrahn
    Reputation
    6,430
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Sierra 1500
150 Great Deals out of 8,421 listings starting at $5,975
Used Ford F-150
328 Great Deals out of 13,153 listings starting at $3,000
Used Chevrolet C/K 2500
2 listings
Used Dodge RAM 1500
90 listings starting at $9,594
Used Chevrolet Camaro
16 Great Deals out of 481 listings starting at $11,995
Used Chevrolet Corvette
26 Great Deals out of 638 listings starting at $10,989
Used Chevrolet S-10
2 listings
Used Chevrolet Tahoe
10 Great Deals out of 826 listings starting at $698
Used Toyota Tacoma
34 Great Deals out of 711 listings starting at $9,975

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.