300 inline 6
#11
Resident Dinosaur
I would reccomend a couple of these: http://www.turbobygarrett.com/turbob...R_772719_3.htm
Along with these: http://www.cliffordperformance.net/M...gory_Code=F300
#12
Not too expensive, You would have to fab the plumbing yourself, and then have someone burn you a custom tune for the turbo to work properly.
I would reccomend a couple of these: http://www.turbobygarrett.com/turbob...R_772719_3.htm
Along with these: http://www.cliffordperformance.net/M...gory_Code=F300
I would reccomend a couple of these: http://www.turbobygarrett.com/turbob...R_772719_3.htm
Along with these: http://www.cliffordperformance.net/M...gory_Code=F300
#13
Resident Dinosaur
http://www.cliffordperformance.net/M...gory_Code=F300
#14
Junior Member
Agreed, the 300 is a beauty but not much for aftermarket support. I just purchased one to put in my '31 Olds rod. Going to fab a single turbo set-up. May go with a blow thru carb or entertaining the Mega Squirt EFI. Anyhow I dont think a turbo is going to be too hard to get working nicely on this engine. 5-8psi will make a HUGE improvement.
#16
I Voted For Bill and Opus
The big thing you have to look into with any inline 6 cylinder is the crank, and the mains it rotates in. Domestic inline 6 engines have long and flexible cranks. What I mean by this is how the crank is supported by the main bearings. The bottom end on a 4.9L 6 is very strong running the stock compression and RPM range. Increase both without and attention given to the mains and you will beat the bottom end out of this engine in a few thousand miles. Again this is a huge advantage for a V8 shorter crank and better main bearing support with bolt on kits available to make it even stronger. I am very familiar with the 225 slant 6 from mopar, in fact it is my second most favorite inline domestic 6 cylinder engine. I also have first had experience with a Slant 6 like the one shown in the link above. I had a friend who was a MOPAR freak, he had the money to spend, he was one hell of an engine builder, and tuner. He built up a 225, which he first punched out to If I remember correctly 255 CID, installed headers, which he welded up himself. The four barrel intake he installed was from MOPAR performance. He made up a metal brace he installed over the main bearings to greatly strengthen them The engine was a real screamer however he had all kinds of teething pains with it. The biggest one was poor lubrication of the bottom end and the valve train. He fixed this with an external belt driven oil pump. Next was the timing gears, the 225 has gears not a chain he had to engineer a all metal gear set from somewhere this is 25 years ago so I don't remember what he did for that. There were main seal problems because of the much higher oil pressure, etc. He finally go the thing running great but despite all of the engineering he poured into this 225 Plus he was only able to get around 325 hp out of it. He did this just because he wanted to do it, he admitted to me at the time with all of the time and the money he spent on the project he could have built up either a 426 hemi, or a 440 Magnum and either engine would have had at least a 1000 hp each. Personally if I had a 300 I6 in my truck presently, I have had several such truck in past years, I would just leave it alone knowing that with regular oil changes and TLC I have and engine that will go well over 300,000 miles, it in fact will probably outlast the truck it is sitting in. If you want power get a V8, one of the most overlooked engines that you can fit in an F150 of the vintage we are discussing here, is the 460 CID V8 of which there are 10's of thousands of them available. Find and older high compression model and you will already have more HP, way more torque then a 300 I6 can put out in and engine that will not beat it's bottom end out in a few hundred miles.
Last edited by transmaster; 01-06-2010 at 10:48 PM.
#17
Resident Dinosaur
The big thing you have to look into with any inline 6 cylinder is the crank, and the mains it rotates in. Domestic inline 6 engines have long and flexible cranks. What I mean by this is how the crank is supported by the main bearings. The bottom end on a 4.9L 6 is very strong running the stock compression and RPM range. Increase both without and attention given to the mains and you will beat the bottom end out of this engine in a few thousand miles. Again this is a huge advantage for a V8 shorter crank and better main bearing support with bolt on kits available to make it even stronger. I am very familiar with the 225 slant 6 from mopar, in fact it is my second most favorite inline domestic 6 cylinder engine. I also have first had experience with a Slant 6 like the one shown in the link above. I had a friend who was a MOPAR freak, he had the money to spend, he was one hell of an engine builder, and tuner. He built up a 225, which he first punched out to If I remember correctly 255 CID, installed headers, which he welded up himself. The four barrel intake he installed was from MOPAR performance. He made up a metal brace he installed over the main bearings to greatly strengthen them The engine was a real screamer however he had all kinds of teething pains with it. The biggest one was poor lubrication of the bottom end and the valve train. He fixed this with an external belt driven oil pump. Next was the timing gears, the 225 has gears not a chain he had to engineer a all metal gear set from somewhere this is 25 years ago so I don't remember what he did for that. There were main seal problems because of the much higher oil pressure, etc. He finally go the thing running great but despite all of the engineering he poured into this 225 Plus he was only able to get around 325 hp out of it. He did this just because he wanted to do it, he admitted to me at the time with all of the time and the money he spent on the project he could have built up either a 426 hemi, or a 440 Magnum and either engine would have had at least a 1000 hp each. Personally if I had a 300 I6 in my truck presently, I have had several such truck in past years, I would just leave it alone knowing that with regular oil changes and TLC I have and engine that will go well over 300,000 miles, it in fact will probably outlast the truck it is sitting in. If you want power get a V8, one of the most overlooked engines that you can fit in an F150 of the vintage we are discussing here, is the 460 CID V8 of which there are 10's of thousands of them available. Find and older high compression model and you will already have more HP, way more torque then a 300 I6 can put out in and engine that will not beat it's bottom end out in a few hundred miles.