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-   -   lookiing to buy 69 chevelle, what gas to use (http://chevelleforum.net/showthread.php?t=4796)

kevinw 11-03-2017 08:34 PM

lookiing to buy 69 chevelle, what gas to use
 
hello, seller and I came to agreed upon price on 69 Malibu 350 original engine . given it not been rebuilt, can I still get buy just using unleaded gas? the car is basically stock except for HEI, headers, and 600 Edelbrock carb. car is an auto. thanks

i have a 79 t/a 403 with the flat tappets and i been running 87 for a couple years so far.

chevymaher 11-03-2017 08:40 PM

It will run fine on unleaded. Use lead additive if your going to seriously wail on it tho. Protect the valve seats.

kevinw 11-03-2017 10:27 PM

ok thanks. no, I don't hot rod cars anymore, too old. LOL. just cruisinig in it. thanks

kevinw 12-29-2017 09:49 AM

question. I basically have determined that my 69 has the 255 hp version of the 350 engine. it is match numbers, and previous owner said it had a 2 bbl carb originally.

question. what would be a good guess on horsepower now with the long tube headers, 600 carb, alum intake, and open air cleaner? thanks

chevymaher 12-29-2017 12:39 PM

300ish give or take a little.

kevinw 12-29-2017 02:33 PM

oh thanks Chevymaher. I was wondering. thanks

carpoor 12-31-2017 06:45 PM

Remember those are gross ratings, not SAE net. Net vs. Gross is about a 25-30 percent difference.

kevinw 01-03-2018 11:01 AM

oh ok. I was just wondering approx. what it would be with the add ons. the seller really didn't know.
I didn't realize how heavy a intake manifold was! no wonder peeps put on aluminum intakes. wow, I about pulled my back trying to lift it. the air conditioning box isn't that light either. and the air cond. compresser is heavy. now I see why peeps don't keep all these on the car for all the weight.

carpoor 01-03-2018 04:50 PM

Pick up a set of big block heads, that'll get your attention.

kevinw 01-05-2018 09:36 AM

I've already been called a block head many times , but not a big block head! lol


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