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Old 06-21-2010, 10:58 PM   #1
cardreams
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what upgrades can I do on the straight 6

Looking to do some upgrades to my straight six what suggestions...like maybe bigger intake, carb and headers for dual exhaust.

Thanks
Andrew
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Old 06-21-2010, 11:06 PM   #2
low'n slow
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Re: what upgrades can I do on the straight 6

All of the above, plus bigger valves and mill the head. It will really pep the little motor up.
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Old 06-21-2010, 11:10 PM   #3
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Re: what upgrades can I do on the straight 6

and with all that money you could get an LS motor!
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Old 06-21-2010, 11:19 PM   #4
cardreams
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Re: what upgrades can I do on the straight 6

lol if i do the intake and the carb will that cost alot and will it make a difference ??? where would i get a intake ???

first time doing anything on a strait 6 LOL
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Old 06-22-2010, 01:46 AM   #5
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Re: what upgrades can I do on the straight 6

I've got a Offy intake forsale. Also have a carb, but its 600cfm and probably a bit big for most 6s.

http://67-72chevytrucks.com/vboard/s...d.php?t=408248
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Old 06-22-2010, 02:11 AM   #6
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Re: what upgrades can I do on the straight 6

Follow link below ... Post # 17 ... I bet he has upgrades?

http://67-72chevytrucks.com/vboard/s....php?p=4038048

Found another

http://67-72chevytrucks.com/vboard/s...d.php?t=400955
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Old 06-22-2010, 10:00 AM   #7
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Re: what upgrades can I do on the straight 6

Quote:
Originally Posted by chevytruckluver View Post
and with all that money you could get an LS motor!
Isn't the cool factor worth anything any more... lol

But, yeah, it's gonna cost you quit a bit to spruce up that old inline.

Is it a 250ci or 292ci?
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Old 06-22-2010, 10:02 AM   #8
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Re: what upgrades can I do on the straight 6

i think a 250
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Old 06-22-2010, 10:04 AM   #9
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Re: what upgrades can I do on the straight 6

Probably,

I think the engine mount is a good way to tell quickly.

On the passenger side it would be located in the center of the block or more towards the front. There's a thread here somewhere.
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Old 06-22-2010, 10:08 AM   #10
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Re: what upgrades can I do on the straight 6

I've got Langdon's stovebolt cast iron headers on my 230 and soon will have my Offy intake and holley 350 installed. Still gathering parts. The headers and duals out the back really woke up the little 6. Headers are 300 bucks. Duals where about 450. Intake used was 100 plus carb etc will be another 200. Plus skip white dizzy. Hei is best mod. Hop up your 6. Anybody can install a bigger motor. Yours will be unique.
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Old 06-22-2010, 10:29 AM   #11
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Re: what upgrades can I do on the straight 6

I really like the stock I-6 in my '67 even better at times than the 454 in another truck I own. Of course each motor has its place.

The 454 roars and hauls it down the road where as the I-6 purrs and motors down the road. Just depends on what mood I am in what I drive.

Neither of my trucks are show trucks and probably never will be because I like to use them as trucks, but that is what pleases me.

My daughter-in-law has a truck of show quality and rarely drives it.

My son on the other hand wants to build a drag truck, we will just have to see how that works out.

That is what is great about these old trucks, they can be fixed which ever way a person wants. This forum will for sure help a person which ever way they want to go.
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Old 06-22-2010, 02:44 PM   #12
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Re: what upgrades can I do on the straight 6

here some pics of the truck







ITA ALSO FOR SALE IF ANYONE IS INTERESTED
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Old 06-22-2010, 09:51 PM   #13
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Re: what upgrades can I do on the straight 6

Andrew,
I've got a 235 inline in a 56 Chev. She's got an Offy intake w/2 carbs, Fenton headers w/dual exhaust, one of Patricks dress up kits. That truck has got some "poop" to it and nothing sounds like a 6 w/Fentons. Drove it to a show(yes drove it,no trailer queen here) 3 hours away. I had more people stop to look at the engine than any of the V8's close to me. The "Wow" factor alone is worth it. You don't have to spend a ton of money on em to have a peppy engine.
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Old 06-22-2010, 10:03 PM   #14
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Re: what upgrades can I do on the straight 6

i can't add to what has already been said about upgrades but i have to say there is nothing any cooler than an nice inline 6 i will always stop and look at them at the shows, sometimes i wish i would had never took mine out and put the 350 in
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Old 06-23-2010, 02:11 AM   #15
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Re: what upgrades can I do on the straight 6

Clifford has been doing inlines for a long time here's a link.
http://www.cliffordperformance.net/M...gory_Code=C250
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