What size engine came with the 1968 Two Door Convertible?

Asked by bigdog76 Apr 28, 2008 at 10:43 PM about the 1968 Pontiac Bonneville

Question type: General

It looks like a big block V-8 but i want to know what the actual size is?

12 Answers

315

you need to check the vin#, my grandfathers 67 had a 440.

2 people found this helpful.
135

I would go for the 389-400 as well. Less likely would be a 421, or a later 455

135

Pontiacs do not come with 440's. That is a Mopar engine

2 people found this helpful.
20

I have one....Mine has a 428. It has the numbsers 428 on the driver and passenger side of the car, right behind the front wheels. Mine is a convertable...hope this helps

2 people found this helpful.

Your Answer:

Bonneville

Looking for a Used Bonneville in your area?

CarGurus has thousands of nationwide listings and the tools to find you a great deal.

Postal Code:

CarGurus Experts

  • #1
    James Sparrow
    Reputation
    570
  • #2
    Gene Arnett
    Reputation
    540
  • #3
    John Saffrahn
    Reputation
    510
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Pontiac Firebird
15 listings

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.