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Old 09-19-2018, 11:17 AM   #76
cadillac_al
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Re: gm create motor ?

Sometimes the keyboeard already knows the formula, or it's fat finger syndrome. Some letters just always go together.
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Old 09-20-2018, 01:38 PM   #77
Chevyrestorerman
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Re: gm create motor ?

Quote:
Originally Posted by geezer#99 View Post
There is a formula!
It does involve some ‘metric’ calculations and a couple ‘french’ translations but otherwise easy to do.
Where is ‘X’ that it marks the spot and ‘Y’ do you live there?
Sounds like a spelling bee contest turning into a algebra test.
X+Y= Who cares.
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Old 09-20-2018, 01:49 PM   #78
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Re: gm create motor ?

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Originally Posted by PGSigns View Post
I have about 45000 on mine now in the 66. Mild comp cam, super victor intake, 670 street avenger carb. I have an in tank pump with an aeromotive return style regulator. works flawless.
Jimmy
That intake is way mis-matched for your combo. What was the logic behind running such a high rpm designed single plane?
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Old 11-03-2018, 07:51 PM   #79
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Re: gm create motor ?

update : info here http://67-72chevytrucks.com/vboard/s...=755514&page=4

fired up today for the first time .
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Old 11-04-2018, 12:12 PM   #80
Jrainman
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Re: gm create motor ?

I have been running a L 31 crate engine for a while I think almost 2 years , a couple of things to remember when ording the L-31 is that it comes in 2 versions , a 2 bolt and a 4 bolt main , the 4 bolt main version is Known as the HD L-31 Vortec. it has larger valve stems and harden seats , with 906 casting vortec heads witch are suppose to be a upgraded vortec heads . So these heads are suppose to handle the heat better . after reserching I found there was only about a $40.00 up charge to go with the HD version of the vortec, witch came stock in 3/4 and 1 ton versions, the 2 bolts came in the 1500 class. just somthing to consider when looking at purchasing a L-31 crate engine. for me it was a $40 no brainer .
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Old 11-04-2018, 12:42 PM   #81
sweetk30
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Re: gm create motor ?

it was a no brainer for me . going in a k30 work truck so she got the 4 bolt .

good point tho for the cheep upgrade bang for the buck .
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77-k30lb BIG truck build .
87-k30lb budget beater build .
85-k30lb the plow machine build .
85-c10sb summer fun toy .
-----------------------------
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EDELBROCK pro flo 4 = best deal going so far . love my setup works great.
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