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Old 02-20-2012, 05:24 PM
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help w SBC or bbc implant

Hey im new and have a question i have a 84 Gmc short box with a 88 tbi 350 out of a truck it has about 200 000 on it and the problim is started burning oil the othere day and today my oil pressure drops to almost 0 need a little help

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Old 02-20-2012, 05:45 PM
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Then I would say it's rebuild time.
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Old 02-20-2012, 09:21 PM
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Im thinking the same but the thought is sbc or bbc just trying to weighing the pros and cons of it all.
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Old 02-21-2012, 10:00 AM
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Not trying to be snarky here but I noticed your thread post said simply "Help". Not too many responses, I edited the thread so we can get some feedback for you. Clarity in the title helps.

My opinion: Do a little research on a good small block. Jegs, Summit, Goodwrench have some good crate motors, probably cheaper than what you would pay to get your engine rebuilt. Your accessories (alternator, power steering, etc.) will bolt up without going through the hassle of finding new brackets, hoses, whatevers...a simple bolt in, plug in and play. How much horsepower you want is only limited by your pocketbook. I didn't notice your location but if you need to play by the smog rules, be careful. Dan
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Old 02-21-2012, 11:12 AM
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"Jeg's, Summit, Goodwrench crate motors..." Yes, probably cheaper. You get what you pay for. While a "custom" engine may cost a little more and you have to "wait", it will blow the DOORS off the craters and usually use less fuel and last longer. So, which is more important? That should be the decision "maker". And yes, this statement is being made by a machinist that builds some of these "custom" engines. Take it FWIW.


BBC? Do you want "big" power? Lots of torque and low-speed power? Use the big block. Old sayting: "Never send a boy to do a MAN'S job..." If under 400 lbs. of torque and higher revs are what you want, the small block is where you should go. A high quality rebuild on your 350 runs around $3K. The big block will be significantly more money (nothing RARE about big blocks, just expensive for parts). Again, you get what you pay for. BBC may be the best/most versitile powerplant ever made for automotive applications. The single biggest drawback is the sheer weight. For high-revvers, lots of attention needs to be paid to the valve train.

Jim
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Old 02-21-2012, 12:24 PM
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Ty dinger the mane idea is daily driver and just thinking if i want to use the truck as a hauler or weekend track truck i think im leaning towards a 383 stroker for the low end grunt and high rev any feed back is welcome Just remember on a budget
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Old 02-21-2012, 01:08 PM
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Budget truck motor, yep....go to this site....
http://www.crankshaftcoalition.com/w...m_combinations
and see this post....
355 Gen I Chevy street motor, budget build....
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Old 02-22-2012, 05:38 PM
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If you're money coscious, and on a budget forget a 383 stroker. Most stroker kits to fit a 350 will run around $1400-$1500, and then you need a good 350, plus the rest the parts to finish it off.
I'd either find a good running 454 and do the swap, or replace/rebuild a 350.
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Old 02-22-2012, 05:55 PM
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I can get my hands on a 454 with a 400 turbo for under 500 the eng and trans came out of a 74 or 76 gmc dually they both need a rebuiled so question is what am i looking for cost of a rebuiled
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Old 02-22-2012, 06:14 PM
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At almost $4.00 a gallon for gas do you reallly want a big block? At best about 10 mpgs. I would have someone pull the motor you have and take it to a machine shop and have it rebuilt.
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Old 02-22-2012, 06:27 PM
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Im in southern ont so its about a 126. a Litre . i also dont know if my block is a 4 bolt main or a2 bolt. i cant see any casting numbers on the back of the block so not sure where else to look
Ty for every peace of input it is taken greatly
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Old 02-22-2012, 07:10 PM
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Quote:
Originally Posted by Mr. P-Body
"Jeg's, Summit, Goodwrench crate motors..." Yes, probably cheaper. You get what you pay for. While a "custom" engine may cost a little more and you have to "wait", it will blow the DOORS off the craters and usually use less fuel and last longer. So, which is more important? That should be the decision "maker". And yes, this statement is being made by a machinist that builds some of these "custom" engines. Take it FWIW.


BBC? Do you want "big" power? Lots of torque and low-speed power? Use the big block. Old sayting: "Never send a boy to do a MAN'S job..." If under 400 lbs. of torque and higher revs are what you want, the small block is where you should go. A high quality rebuild on your 350 runs around $3K. The big block will be significantly more money (nothing RARE about big blocks, just expensive for parts). Again, you get what you pay for. BBC may be the best/most versitile powerplant ever made for automotive applications. The single biggest drawback is the sheer weight. For high-revvers, lots of attention needs to be paid to the valve train.

Jim
not to piss on your grapenuts, but
g.m. sells a vortec headed, rooler cam, ALL NEW PARTS, 350 for 1990.00
with 9.4 to 1 compression (so lets call it 9 to 1 as it's not bluebrinted)
and will go 200k miles easy.. and 320 hp easy ..
big block in a truck unless you are towing, or a weekend toy, is a total waste. as you'll never get the power to the ground.. without tons of money spent.. and at 4.oo a gallon plus.. not worth it.. unless you need the low end to tow something..
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Old 02-26-2012, 06:43 PM
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Ok so thats it i can get my hands on the sbc or bbc they both need R&R, but didnt my truck come with both sbc and bbc. As for gas whats the difrence as soon as u stroke a sbc to almost a stock R&R on bbc with a little top-end work.
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Old 02-26-2012, 06:47 PM
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Quote:
Originally Posted by Olskool chevy
Ok so thats it i can get my hands on the sbc or bbc they both need R&R, but didnt my truck come with both sbc and bbc. As for gas whats the difrence as soon as u stroke a sbc to almost a stock R&R on bbc with a little top-end work.
Ummm, what did you say? You lost me after "Ok".....
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Old 02-26-2012, 07:01 PM
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i asked what did my truck come with (84 c15 ) and i asked when it comes down to gas price what is the difference with a built sbc to a bbc because i can get the 350 or the 454 that both need R&R
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