Inline 6 ?

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Re: Inline 6 ?

Postby res0o7eb » Mon Jun 14, 2010 9:38 pm

LL8 Vega GT wrote:
res0o7eb wrote:
LL8 Vega GT wrote:Although v8 vegas are cool, there are tons of them, and being that i like things a little different, my car is getting a in-line 6 cylinder....... :th:
OK, I know you aren't serious......

Whats that supposed to mean???
The plan is already rolled, the engine was purchased 6 months ago, the mods are in progress, and currently in execution phase.... :wink:
So, "LL8 Vega GT", you MUST be serious about it. :?:
LL8 Vega GT wrote:
80 MONZTA wrote:Cool, what engine did you purchase? Please start a thread in the projects section, I am sure many of us will enjoy watching it come together. :th:
Hmmmmm........OK, an electronic 'pat on the back' for the person who figures out what engine it is. There is already enough information given to figure it out, winner must provide what tipped you off ;)

It IS a 4.2l Vortec DOHC engine. SWEET!! 8) :th:
This engine is also known by another name or code: http://en.wikipedia.org/wiki/GM_Atlas_engine
And with a Powerglide transmission. So, it's new tech meets old school - literally.
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Re: Inline 6 ?

Postby cosworth0135 » Mon Jun 14, 2010 9:57 pm

what hesaid and it was the LL8 in your name that tipped me off, the code for the 270hp 4200, Timmy I wondered what ll8 vega gt stood for
i currently drive a geo metro,insert silly joke here,, but i'll pass you while your getting gas
If you don't have time/money to do it right the first time,how will you have time/money to do it again. Timmy
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Re: Inline 6 ?

Postby LL8 Vega GT » Tue Jun 15, 2010 9:42 am

Dang! you guys caught on quick! Yep, the atlas LL8. :dance: the more i look at it the more i realize GM secretly made this engine to be a performance engine. Those who have seen these engines in comp eliminator running in the 7 second range NA realize what they are capable of. I have an 07, GM made some major improvements in 06 to the head etc. and numbers improved to 291HP @ 6000 and 277 ft.lb of torque @4800. This series of engines were made in 4, 5 and 6 cylinder versions. I will be using a PG trans for this application because it will be drag race only. With the flat torque curve (thanks to the VVT) and the light weight of the car, i believe the PG will do just fine and are generally good for consistency. With the lexan windows, gutted doors, glass nose, all aluminum engine, no street legal lbs i am shooting for 2200-2300 #

I am now old and will be turning 30 this year, so this is part of my mid life crisis and is helping me through the depression of getting old, keeps my mind off things

I bet most who look at my user name think ' what an idiot, its an L88 vega, not an LL8' :lol:
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Re: Inline 6 ?

Postby cosworth0135 » Tue Jun 15, 2010 10:22 am

yeah alot of us passed the old mark 10 years ago or better. i was just having my first kid at your old mark. had a stroke at 35. I sure hope I'm not over the hump yet :D Timmy
i currently drive a geo metro,insert silly joke here,, but i'll pass you while your getting gas
If you don't have time/money to do it right the first time,how will you have time/money to do it again. Timmy
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Re: Inline 6 ?

Postby Kenova » Tue Jun 15, 2010 5:04 pm

Could we get you to post some dimensions? I would like to see the difference in height between the LL8 and the 2.3 (crank centre to very top). Perhaps while you're at it, maybe the total length of the LL8 and the distance between the spark plugs. That would give us (me) something to work with in figuring out the length of the 4 and 5 cylinder versions.

Ken
My other car is a Nova.
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Re: Inline 6 ?

Postby LL8 Vega GT » Tue Jun 15, 2010 5:32 pm

Kenova wrote:Could we get you to post some dimensions? I would like to see the difference in height between the LL8 and the 2.3 (crank centre to very top). Perhaps while you're at it, maybe the total length of the LL8 and the distance between the spark plugs. That would give us (me) something to work with in figuring out the length of the 4 and 5 cylinder versions.

Ken


Well, I may just have done something like that in my preparation.Is this what you are looking for?

Like i said I have done the homework and have a pretty good start on the project. I made this really basic model this from the engine i have on my stand so i know it is pretty accurate. The bore spacing is 103mm on all these engines

I have also overlaid an SBC and as LL8 in SolidWorks along the crank center line and mated at the bell housing surface for a direct comparison of the physical size of the LL8 to the SBC.

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Re: Inline 6 ?

Postby monza75tc » Tue Jun 15, 2010 6:02 pm

Well, I must be over double old then. possibly why I think more old school than new. :bored:

Definately keep a project file on it, will be really interesting to see.

I still like the idea of the 250 Pontiac OHC 4Bbl engine.


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Re: Inline 6 ?

Postby cosworth0135 » Tue Jun 15, 2010 6:55 pm

I personally am wondering how long it will take direct port injection to trickle to the after market and then down to us still at "old school" it is how chevy got a 306 hp v6 that gets 25+mpg Timmy
i currently drive a geo metro,insert silly joke here,, but i'll pass you while your getting gas
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Re: Inline 6 ?

Postby Kenova » Tue Jun 15, 2010 9:44 pm

LL8 Vega GT wrote: Well, I may just have done something like that in my preparation.Is this what you are looking for?


Yep! That looks good. Do you have a larger copy that could be e-mailed to me?

Thanks,
Ken
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Re: Inline 6 ?

Postby LL8 Vega GT » Wed Jun 16, 2010 12:14 am

cosworth0135 wrote:I personally am wondering how long it will take direct port injection to trickle to the after market and then down to us still at "old school" it is how chevy got a 306 hp v6 that gets 25+mpg Timmy


You mean direct injected right? as in injected into the combustion chamer rather than the port? Thats where it is at, a pressure transducer in the chamber with real time feedback :shock: :wink:

EFI is one of my favorite things.............
Last edited by LL8 Vega GT on Wed Jun 16, 2010 9:01 am, edited 1 time in total.
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Re: Inline 6 ?

Postby LL8 Vega GT » Wed Jun 16, 2010 12:20 am

Kenova wrote:
LL8 Vega GT wrote: Well, I may just have done something like that in my preparation.Is this what you are looking for?


Yep! That looks good. Do you have a larger copy that could be e-mailed to me?

Thanks,
Ken


send pm with email address
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Re: Inline 6 ?

Postby cosworth0135 » Wed Jun 16, 2010 12:39 am

you were right on my comment.Timmy
i currently drive a geo metro,insert silly joke here,, but i'll pass you while your getting gas
If you don't have time/money to do it right the first time,how will you have time/money to do it again. Timmy
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Re: Inline 6 ?

Postby EagleFish » Wed Jun 16, 2010 1:54 pm

LL8 Vega Gt,

Your drawing is too samll to read. I tried to enlarge it, but it just begins to pixel out when it gets to a readable size. Can you re-post in a large format?

Thanks,

John (John and Richard)
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Re: Inline 6 ?

Postby marco_1978_spyder » Wed Jun 16, 2010 8:03 pm

What ever happened to the kid who was going to put an allison Chambers Diesel 6 into a monza for a tractor pull a few months back ?
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Re: Inline 6 ?

Postby LL8 Vega GT » Wed Jun 16, 2010 10:48 pm

marco_1978_spyder wrote:What ever happened to the kid who was going to put an allison Chambers Diesel 6 into a monza for a tractor pull a few months back ?


:shock: ohhhh this could get interesting!!

eaglefish: send me your email in a PM

Ok guys, enuff of me talking about what i am 'going to do', i know there is enough of that on here and i am sure people are sick of the virtual bad-azz projects , so i will post up pictures of the project when it is completed, wish me luck in the completion :D
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