Big block, small block?
> From: Sarah and Patrick [mailto:……@…...net]
> Sent: Friday, December 11, 1998 12:52 PM
> I had a question and I thought you guys might be able to answer
> it. What is
> the start of a big block engine as far as what cubic inch? Is a 396 cubic
> inch engine a big block or a small block?
Whether or not an engine is a big block or
small block is determined by it's weight and external dimensions rather than cubic inch displacement.
For example: A 400 cid Chevy is a small block but a 366 cid Chevy is a big block.
Externally the 366 is one hundred pounds or so heavier and 4" taller and wider. It belongs to a family of Chevy engines to include the 396, 402, 427, 454 and 502.
Is a 351 cubic inch engine a small or big block?
A 351 Windsor is the largest member of a small block family which includes the 255, 289 and 302.
The 351 Cleveland and 351 Modified engines are big blocks. The "351 Modified" means that it is a de-stroked 400 big block.
From: J. Reed
Sent: Monday, November 30, 1998 1:31 PM
Subject: Re: ok I have a question
Thank you for the info I'll be getting back with you about ordering an eng. one last question (I didn't think to ask it before) is long block the same as big block?
You're welcome, that's what I'm here for.
No. A long block is any "special complete" engine minus outer items such as valve covers, flywheel, oil pan, timing cover, intake and exhaust manifolds and harmonic balancer.
Generally, a short block is any long block engine minus internal components like cylinder
heads, oil pump, gaskets, lifters, sometimes timing components and camshaft.
Short blocks are falling into disfavor because by the time you buy the short block and the mandatory lifters, gaskets, oil pump and such you end up spending more money than you would have spent buying a long block in the first place. Also if you buy the short block you may have to pay your mechanic more money to install it because it takes more time and then when it's all finished the engine warranty only covers the bottom (short) half of the engine.
See, you've got to buy gaskets just to put it together. It would be nuts to put an engine in without a new oil pump. The camshaft warranty is no good without new lifters and besides it's just good policy, etc. You get the idea.
A big block is a larger engine such as a 396,427 or 454 Chevy or a 460 Ford for cars or light trucks .
Longblock gas engines come with 1 yr/unlimited mileage warranties standard.
A 3 yr/50000 mile non-commercial warranty is $190 or $290 on engines priced over $2000.
Shipper may add charges for special handling on your end, like
residential pickup(@$40) or liftgate service.
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Our premium top quality longblock engines are fully remanufactured to the highest industry standards, and we pride ourselves on building engines using the latest in upgrades and improvements.
As an American Engine Rebuilders Association member we have access to thousands of bulletins enabling us to make engines that are in many ways better than when they were new.
Procedures used to achieve these high standards are block, crankshaft, connecting rod and cylinder head Magnafluxing, align honing, high speed cylinder boring and two stage plateau honing using Sunnen equipment for more power and lower oil consumption.
heads remachining to a 60 RA finish, insert or thinwall bronze guide installation on both intake and exhaust guides, valve refacing using Lacey Williams chucks with replacement if needed at no additional cost, premium valve seals instead of the cheapies our competitors use.
All heads undergo Sioux vacuum testing and go-no-go gauging.
Crankshaft stress relieving in an oven, Magnafluxing, remachining and micropolishing. Sunnen reconditioning of matched, selected connecting rods.
We primarily use Sealed Power pistons and piston rings with the patented SS-50 stainless oil control ring, Clevite 77 main and rod bearings, Durabond seamless cam bearings, Melling oil pumps and the Clevite or Sealed Power camshafts, Dynagear timing sets and Pioneer Freeze plugs.
**If you instead have us custom remanufacture YOUR old engine there is no up-front deposit but if it turns out to not be rebuildable (cracks, holes in the block, etc), there may be a charge for us to purchase a rebuildable core for you. It will not exceed the core deposit mentioned above. [Often, if the block is destroyed you get a partial core deposit refund for the rebuildable
heads, etc.] http://www.remanufactured.com
Engine remanufactured .com.,
I like to say that I bought a remanufactured engine from
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Sincerely, J. J . Goodwin