Inline 6 to V8
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Freshman User
Joined: Sep 2010
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From: Rockville, MD
Inline 6 to V8
Hey all I'm looking to swap out my 300 Inline 6 for a 302 Small Block V8. Here's a link to the engine: Ford engines, ford performance engines, 302, 347, crate engines
I'm just wondering what it would take to do this. I know I need different motor mounts and exhaust, but would this bolt up to the current transmission I have for my I6? I'm not sure what kind it is but it is a manual and it is stock.
1985 Ford F-150
I'm just wondering what it would take to do this. I know I need different motor mounts and exhaust, but would this bolt up to the current transmission I have for my I6? I'm not sure what kind it is but it is a manual and it is stock.
1985 Ford F-150
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Joined: Jan 2010
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The 300 and the SBF 289,302,351w all have the same trans bolt pattern.
You really should find what trans you have, as you may need to replace it to hold up to that 300 HP. The BW and NP units will hold up good, but the RTS OD and the other OD unit will barely stand up to a 300 stock, more less that 300 HP unit.
You really should find what trans you have, as you may need to replace it to hold up to that 300 HP. The BW and NP units will hold up good, but the RTS OD and the other OD unit will barely stand up to a 300 stock, more less that 300 HP unit.
Post Fiend
Joined: Jul 2004
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From: Northern California
I agree with Bashby.
I've owned both engines, and my 300 will outpull and outwork the 302 I had. Both stock carbed engines.
To get any real difference that you will notice, the 351 is the way to go.
I've owned both engines, and my 300 will outpull and outwork the 302 I had. Both stock carbed engines.
To get any real difference that you will notice, the 351 is the way to go.
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From: northern va
every one tells me the same thing but ive had a few 302's and 300's and the 302's have all felt like they were faster when passing and more power when trashing some rear tires.
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Post Fiend
Joined: Jul 2004
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Likes: 28
From: Northern California
If you notice the torque on the 300 is higher than the 302 by 22 ft-lbs.
This makes up the difference in horsepower at the rear wheels.
For example from a dead stop, I can beat a 302 off the line every time. It's only after the 302 gets going that it will be able to pass me by and go faster. Around 1/4 of a mile down the road. This is stock engines with equal rear end ratios.
You might be better off if you changed the rear end ratio of your rear end than changing the engine to a 302. Especially if you got economy gears.
That and you can do some pretty "insane" (cool) upgrades to the 300 to give it even more kick. EFI exaust manifolds for one will do wonders. 4 bb carb upgrades etc... Check all the facts, check all the engine forums here.
Personally I do not feel you will be happy with a stock 302 as a replacement for what you want, for the time and $$ involved.
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Freshman User
Joined: Sep 2010
Posts: 42
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From: Rockville, MD
If you notice the torque on the 300 is higher than the 302 by 22 ft-lbs.
This makes up the difference in horsepower at the rear wheels.
For example from a dead stop, I can beat a 302 off the line every time. It's only after the 302 gets going that it will be able to pass me by and go faster. Around 1/4 of a mile down the road. This is stock engines with equal rear end ratios.
You might be better off if you changed the rear end ratio of your rear end than changing the engine to a 302. Especially if you got economy gears.
That and you can do some pretty "insane" (cool) upgrades to the 300 to give it even more kick. EFI exaust manifolds for one will do wonders. 4 bb carb upgrades etc... Check all the facts, check all the engine forums here.
Personally I do not feel you will be happy with a stock 302 as a replacement for what you want, for the time and $$ involved.
This makes up the difference in horsepower at the rear wheels.
For example from a dead stop, I can beat a 302 off the line every time. It's only after the 302 gets going that it will be able to pass me by and go faster. Around 1/4 of a mile down the road. This is stock engines with equal rear end ratios.
You might be better off if you changed the rear end ratio of your rear end than changing the engine to a 302. Especially if you got economy gears.
That and you can do some pretty "insane" (cool) upgrades to the 300 to give it even more kick. EFI exaust manifolds for one will do wonders. 4 bb carb upgrades etc... Check all the facts, check all the engine forums here.
Personally I do not feel you will be happy with a stock 302 as a replacement for what you want, for the time and $$ involved.
Thread Starter
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Freshman User
Joined: Sep 2010
Posts: 42
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From: Rockville, MD
Maybe I should drop this one in. Ford Performance Engine Small Block Ford 302 w/ 300HP – Pro-formance Unlimited
Posting Guru
Joined: Mar 2010
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From: northern va