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Old December 23rd, 2010, 04:34 PM   #1
chevyk10
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Default 300 Straight 6 turbo?

Anyone know how to install a turbo on a 300 straight 6? I've heard its been done using a borg warner turbo from a 6.5 chevy diesel, and upgraded 21lb injectors from a 302. I guess it gives it quite a bit more power and I'm thinking I might try it with my truck. Only question I have is would it damage the motor since its all stock?
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Old December 27th, 2010, 01:08 AM   #2
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anyone know if its safe to put a small turbo on a stock 300 motor? here's a 200 6 with a turbo:
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Old December 27th, 2010, 01:34 AM   #3
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I have the perfect turbo for you! i have a aftermarket turbo from a 6.5 like brand new 150.00
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Old December 27th, 2010, 01:45 AM   #4
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I have the perfect turbo for you! i have a aftermarket turbo from a 6.5 like brand new 150.00
well my question is would this work without hurting the motor? i know a stock motor can only handle so much boost until you fukc everything up.
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Old December 27th, 2010, 02:28 AM   #5
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Any decent stock motor can handle about 5 psi. They already run on 14.7 anyways. Just do not expect to use yer stock carb. You should also pick up a MSD 6BTM box too. It retards your timing based on how much boost you are making
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Old December 27th, 2010, 10:54 AM   #6
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Any decent stock motor can handle about 5 psi. They already run on 14.7 anyways. Just do not expect to use yer stock carb. You should also pick up a MSD 6BTM box too. It retards your timing based on how much boost you are making
Well my truck is E.F.I., but yeah I'm just looking for a smaller turbo that would produce like 5 psi. I know I'd probably have to upgrade to 302 injectors too. The guy that turbo'd his 6 with a turbo from a 6.5 diesel was running 10 psi and really ragged on the motor, and then 14k miles later it blew some rings, so I would imagine I'd have to be kinda careful. I'm not looking to make this truck super fast or plan to beat on it, I just want it to accelerate a little bit better so I don't have school buses passing me anymore.
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Old December 27th, 2010, 11:16 AM   #7
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If its that bad I don't think a turbo is going to be the answer my 89 6 was pretty peppy.
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Old December 27th, 2010, 11:39 AM   #8
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If its that bad I don't think a turbo is going to be the answer my 89 6 was pretty peppy.
It's not literally that slow, but it could do alot better. It takes me a little while to get up to speed, but after that I can really get going in 3rd gear.
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Old December 28th, 2010, 12:13 AM   #9
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Originally Posted by chevyk10 View Post
Anyone know how to install a turbo on a 300 straight 6? I've heard its been done using a borg warner turbo from a 6.5 chevy diesel, and upgraded 21lb injectors from a 302. I guess it gives it quite a bit more power and I'm thinking I might try it with my truck. Only question I have is would it damage the motor since its all stock?
sounds to me like you havn't the first idea on how to turbo anything.

you need to do alot of research before you get into this, check out http://www.turbomustangs.com/ their forums are great for DIYers
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Old December 28th, 2010, 11:11 AM   #10
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302 injectors come in 14 or 19lb. Not sure what the 300 came with but I would guess they might be the same.

You run the risk of melting the stock cast pistons. You will also need a way to add more fuel under boost such as with a larger fuel pump and a FMU or a boost referance pressure regulator. And you need to be able to control the timing advance also like with the MSD box mentioned above.

I would do alot more searching on the web before you tackle something like this.
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Old December 28th, 2010, 11:17 AM   #11
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I think it would cost less and be much less work to just swap out for a 302 to get you past the 200 HP mark.....
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Old December 28th, 2010, 11:33 AM   #12
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to be reliable you are going to want bigger injectors, like 30lb minimum.
you are also going to need a tune done to your ecm. A tweecer would help with this.

7psi would probably be the max you would want and you would definelty want an intercooler or mount it at the rear of the truck so the charge can cool on the way back up to the front.


I'd keep the straight six, better torque than a 302

you are going to need a better fuel pump and a blowoff valve.

make sure you get a turbo with a small housing for quicker spool, but be sure it has a good wastegate too as smaller turbos can build a lot of boost quickly.
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Old December 28th, 2010, 01:58 PM   #13
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I think it would cost less and be much less work to just swap out for a 302 to get you past the 200 HP mark.....
I would go one step better and skip over the 302 and just do a 351. 302 makes a few more ponies than the 300 but the 300 has way better low end grunt. 351 beats em both easy and swapping in a 351 is no harder or different than doing the 302.

Just my $.02
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Old December 28th, 2010, 04:27 PM   #14
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I was going to list it 125HP, but I didn't want to sound like a complete ass.....
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