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OBS build up questions

4475 Views 36 Replies 15 Participants Last post by  hotwheels
Looking at getting a obs .....

1. what internal engine parts are available for these engines (pistons, rods etc....)?

2. Also what is the best year to get?

3. How much power can you make on these engines?

4. Who has the fastest obs and what is your top speed?

1 - 1 of 37 Posts
Because there is no room for a 4 inch. Heck a 3 inch requires quite a bit of fire wall bending.
1 - 1 of 37 Posts
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