Cool inline 6 motors

http://www.inliners.org/

i got a softspot for inline 6's

I lubs the Jag DOHC six. Wonderful motor. Fantastic sound.

But the Pontiac was so cool, compared to the usual cast iron pushrod stuff from the Big 3 (well, Big 4 including AMC at the time). Belt driven overhead cam, aluminum head, etc. You just didn't expect that on this side of the pond.

Barra 270T

Beautiful Barra 270T DisplayProduction commenced in 2004 and it is found in the BA/BF Falcon based FPV F6 Typhoon and Tornado models. The increase in power is achieved through the use of a Garrett GT3540 turbocharger.

Power: 270 kW (362 hp) @ 5250 rpm Torque: 550 N·m (406 lb·ft) @ 2000-4000 rpm

(And this isnt even the high horsepower one... that one has

Power: 310 kW (416 hp) @ 5250 rpm Torque: 565 N·m (417 lb·ft) @ 1950-5200 rpm )...per wiki.

MB 3.0 TD 606.962

BMW S52

Cummins 6BT

I had a old brown f-150 with a 300 and grany low 4spd I loved that truck. I even took it to a autocross or three, it just had amazing power coming out of the corners.

wlkelley3 wrote: No one's mentioned the Pontiac SOHC aluminum I-6? Cool with a 4-bbl and mated to a 4-speed like in the 69 Firebird Sprint. Still want one, especially after I seen a original owner one several years ago. Homologated for TransAm.

I mentioned it on page 2, but I'll bet your mention of it is why Jensenman posted that great picture of one.

Homologated for the TransAm? Do tell, sir...Dooo tell!

IIRC the RAV 303 engine was to be used for TransAm racing but it got killed off at the last minute.

The NASCAR 366 was also being developed at the same time from the same short-deck motor.

The Sprint OHC six does look awesome. I've always wanted to put one in a hotrod.

Bad ass I-6 to-rule-them-all has got to be the Roush built, supercharged Ford 300 six in the Posies Fleetliner:

More pics: http://www.posiesrodsandcustoms.com/posies_statements/fleetliner/

Shawn

kreb wrote: IMO I-8s trump even V12s, but all the ones that I'm aware of are boat anchors. Great for a classic cruiser, but not something that you'd want to put in a fast car.

Banks was supposed to be working on rebuild/hot rod kits for those motors. Always wanted one for a trail rig, I-8, roots blower and 44inches or bigger tires mated to a granny 4 speed and an atlas t-case, pick a mid length chassis and you would have a rig that would crawl with the best of em and still have the power to sling rooster trails of mud to the moon.

friedgreencorrado wrote:

wlkelley3 wrote: No one's mentioned the Pontiac SOHC aluminum I-6? Cool with a 4-bbl and mated to a 4-speed like in the 69 Firebird Sprint. Still want one, especially after I seen a original owner one several years ago. Homologated for TransAm.

I mentioned it on page 2, but I'll bet your mention of it is why Jensenman posted that great picture of one. Homologated for the TransAm? Do tell, sir...Dooo tell!

Sorry, I didn't see your post. This is what I was told as I was 11 or 12 when this actually took place. As you know the OHC-6 w/1-bbl carb was the base engine. Next was the sprint with OHC-6 w/4-bbl carb then on to the V-8. WIKI on Firebird As I understand it, the classes in Trans Am were divided by engine size. One of the classes limited engine size to around 302 ci. Hence the reason for Ford bump from 289 to 302 and Chevy made a limited production 302 in the 69 Z28's. All Pontiac had was the OHC-6 so they added 4-bbl carb that brought it up to 215hp and raced. Pontiac's next size up was their 326 V8, not feasable to turn into a 302 so they beefed up the OHC-6. In order to race with it, they had to sell a specified amount with similiar setup. As you are aware I'm sure. That's why Chevy sold Z28's with 302's also. Most of the early Firebirds left have have had the 6 replaced w/400 V8 for drag racing/muscle car. I'd like to find one still w/OHC6, 4-bbl and 4-speed manual (the Sprint model) to restore someday.

Ford had the Falcon Sprint as well, IIRC the very early cars had the 200 6 banger with a 4 speed tranny. Still pushrod and 1 bbl, though. Later ones were 260 V8 and slushbox or 3/4 speed manual.

Jensenman wrote: Ford had the Falcon Sprint as well, IIRC the very early cars had the 200 6 banger with a 4 speed tranny. Still pushrod and 1 bbl, though. Later ones were 260 V8 and slushbox or 3/4 speed manual.

Another one I wouldn't mind finding. A friend of my mom's had a 260 version with the ragtop when I was in high school. I wanted that car. What's it about Sprints, I like them. Grew up in SoCal in the late 60's/early 70's, the muscle car era and spent time at the drag strip and streets (cruisin` & racing) but it's the low power muscle that has the potential of turning that I go for. Even back then. I enjoyed canyon driving back then. Always wanted to try Mulholland Drive back then.

Gotta vote for the Jag XK series DOHC I6. One of the most beautiful looking and beautiful sounding motors ever.

Some XK engine porn from the car show I attended today:

Triple Jenvey IRTBs:

wlkelley3 wrote:

friedgreencorrado wrote:

wlkelley3 wrote: No one's mentioned the Pontiac SOHC aluminum I-6? Cool with a 4-bbl and mated to a 4-speed like in the 69 Firebird Sprint. Still want one, especially after I seen a original owner one several years ago. Homologated for TransAm.

I mentioned it on page 2, but I'll bet your mention of it is why Jensenman posted that great picture of one. Homologated for the TransAm? Do tell, sir...Dooo tell!

Sorry, I didn't see your post. This is what I was told as I was 11 or 12 when this actually took place. As you know the OHC-6 w/1-bbl carb was the base engine. Next was the sprint with OHC-6 w/4-bbl carb then on to the V-8. WIKI on Firebird As I understand it, the classes in Trans Am were divided by engine size. One of the classes limited engine size to around 302 ci. Hence the reason for Ford bump from 289 to 302 and Chevy made a limited production 302 in the 69 Z28's. All Pontiac had was the OHC-6 so they added 4-bbl carb that brought it up to 215hp and raced. Pontiac's next size up was their 326 V8, not feasable to turn into a 302 so they beefed up the OHC-6. In order to race with it, they had to sell a specified amount with similiar setup. As you are aware I'm sure. That's why Chevy sold Z28's with 302's also. Most of the early Firebirds left have have had the 6 replaced w/400 V8 for drag racing/muscle car. I'd like to find one still w/OHC6, 4-bbl and 4-speed manual (the Sprint model) to restore someday.

No sweat about missing the other post, it's a long thread!

And thanks for the info! I didn't realize the Pontiac V8 was so difficult to de-stroke. I guess the GM divisions really were a little different back then. Strange thing, I was a kid back then-and seriously into road racing..but I was so crazy about the imports that I didn't really look at domestics (except for the T-A, of course..)

So riddle me this: inline 6, under 350 lbs, 200ish HP, available with standard 5 speed transmission, inexpensive. Does anything fit the bill, or are they all too porky?

kreb wrote: So riddle me this: inline 6, under 350 lbs, 200ish HP, available with standard 5 speed transmission, inexpensive. Does anything fit the bill, or are they all too porky?

Nothing you'll find in the US, but I believe the Toyota 1G-GTE fits that bill nicely. They supposedly bolt right in place of a 20/22R.

I didn't see this posted but it is pretty epic in my opinion.

Here is my hands down favorite inline 6. The S20 Twin Cam from the original Skyline GT-R. I have this Best Motoring DVD and it is down right amazing with a stereo. In the video too it is awesome to see the orignal banking at Fuji Speedway that is long gone.

http://www.youtube.com/watch?v=EAXGuD_f3Kw

Everything I've found/read about the S20 is really interesting. The motors usually cost double what the shell costs and it is near impossible to find an all orignal Skyline that still retains the S20 motor.

I don't recall ever hearing about the Pontiac OHC 6 being used in racing to any extent. They did have a limited run of Ram Air V 303ci and 366ci V8 engines, the smaller one for Trans Am and the bigger one for NASCAR (this is in addition to the RAV 400ci engines for drag racing), but they didn't have the time or money to fully develop them at the time. The heads had too much flow for the smaller displacement engines so it took a lot of work to get them to run right. There are a few of those engines in the hands of collectors, I know a guy who has a couple of them installed in early Trans Ams. The prices people pay for those things today would make a Hemi Cuda fan fall off his chair.

kreb wrote: So riddle me this: inline 6, under 350 lbs, 200ish HP, available with standard 5 speed transmission, inexpensive. Does anything fit the bill, or are they all too porky?

according to this

the BMW M52B25 out of a 1995 523i weighs right at 350lbs and bolts right up to a host of BMW 5 speed manual transmissions. (and should be pretty dern cheap)...but it only makes 170hp

and the M52B28 out of the 1998 BMW 328i makes 190hp, weighs 375lbs, has a manual tranny already attached to it, and would likely be not very expensive either.

Family had a 1970 Suburban w/ 292 and 4-speed manual. (1st was granny low) truck could pull anything you hitched to it and had over 300,000 miles when it was sold.

kreb wrote: So riddle me this: inline 6, under 350 lbs, 200ish HP, available with standard 5 speed transmission, inexpensive. Does anything fit the bill, or are they all too porky?

Aluminum block Slant Sixes can get into that weight and power territory. Beating 200HP wouldn't be too hard. Doug Dutra's Buster 225 weighed in at 272 lbs, but used a very rare aluminum head. Pretty grassroots except for the head.

There's some junkyarding and machinework to get the five-speed attached, but several have done it with different transmissions.

S54

P71 wrote:

ReverendDexter wrote: I think a better question would be if there's an UNcool inline 6. Talking just about the engine here, not the chassis it may or may not be burdened by. About the only one I can think of is the Ford 170/200 I6, but that's only because the intake manifold is integral to the head, and it's cast for a single-barrel carb. And really, it's still kinda cool. Besides, Ford Australia makes up for it with the turbo 4.0 Falcon inline 6er.

Also Ozzies had a crossflow head for the 200 which is easily (and cheaply) imported, making it a cool and powerful engine. My vote is for the venerable AMC/Jeep 232/238/4.0. Grab a 258 and a 4.0 and make yourself a 4.6L stroker I-6. AMC slapped a turbo and Bosch fuel injection on a 258 Spirit in 1980 to make the Spirit AMX PPG Pace Car (look it up, it's sweet). My grandfather bought it from designer Dick Teague and owned it for years. He took me around Daytona's banks in that thing at well over 100 during a Spring Spectacular one (we used to "pace" the field of show cars for their pictures on the banking and had to haul ass around turns 3/4 to pick up the next grouping). I will clone that car one day.

I wouldn't mind a 258/4.2 with Triple Weber Side Carbs. NIIICCEE

In reply to Autolex: To transplant it, one would have to deal with Vanos et al, wouldn't one? Perhaps the e30 six?

kreb wrote: In reply to Autolex: To transplant it, one would have to deal with Vanos et al, wouldn't one? Perhaps the e30 six?

I just assumed one would use a window switch or something handy in the MegaSquirt programming to control it...

What's the application you are looking at? (this may help with input)

In reply to Autolex: Locost!