427 chevy, good deal or bad deal

[jshirley78]

Ive got a guy with a chevy 427 in a semi, I believe it to be tall deck, the motor is stuck but ran 10 yrs ago, $400 good deal or bad???

[Beer-30]

Yeah, those were tall-deck, as they had 4-ring pistons. Small port heads for truck use. Being stuck, something is amiss. I would say $100-150 as a core. Tops.

[jshirley78]

Im looking for a builder and BB's in my area are very very scarce and therefore very expensive, is the 427 tall block a good jet motor????

[flat broke]

The 427 tall deck block is a good base to build from because the taller deck height allows you to run a longer stroke while keeping a better rod angle.
Chris

[Beer-30]

Depends on where your area is, I can provide one, but he's in Bakersfield.

[DeputyDawg]

One of my favorite jet boat motors for anything from mild to wild are 496's. Take that tall deck 427 if it checks out good, bore it .60 or .30(489ci) and put a 4.25" stroke crank in it and go from there as money allows. Where you go from there obviously depends on how much you have to spend. You are going to have to have some decent heads so try and save up if you have to for some good ones. You don't have to go with aluminum heads if they aren't in the budget. There are some cast heads that will work good on this size motor depending on how wild you want to go. How much power do you want to make? What type of boat is it going in and what will you be doing with this boat? It really doesn't cost much more at all to build a 489-496 than it does a 454-468 and I would recommend it if you can afford to do so.

[Cs19]

I paid more than that for my bare std./std. 427 tall deck, but it had been magged and sonic checked according to the seller. Its a good deal if its still good,but you wont know till you tear it down and have it checked.
If your on a tight budget, go for it.If you have the extra cash just get a dart block and be done with it.

[jshirley78]

will standard BB heads fit the tall deck?

[Beer-30]

will standard BB heads fit the tall deck?
Yes, but you will need a tall-deck intake.

[jshirley78]

Depends on where your area is, I can provide one, but he's in Bakersfield.
Just reread your comment, what I meant was that I was looking for a buildable motor, I do my own building (always done small blocks though)

[Beer-30]

Just reread your comment, what I meant was that I was looking for a buildable motor, I do my own building (always done small blocks though)
OH. I may have misread, it looked like you needed a builder. That is a good solid base for building any motor you want. You just have to keep in mind the tall-deck for accessories. Intake, distributor. They were plenty thick for doing truck duty.

[jshirley78]

will the stuff I already have for a 454 (motor mounts, pto shaft,exhaust) fit????

[396_WAYS_TO_SPIT]

will the stuff I already have for a 454 (motor mounts, pto shaft,exhaust) fit????
Yup;)
396

[jshirley78]

looks like my Tahiti is going to have a 427 based motor. Anyone have any suggestions on where to get a good rebuild kit for it, I dont think Summit carries anything for tall blocks.

[Oldsquirt]

A good person to get in touch with regarding the parts you need, and suggestions on the configuration to build, would be "Infomaniac". You can find him in "Gear Heads". Take a look at his buildup of a 496 in the"Reverend Williams Engine Project" thread. If it were me, I'd be looking to go with the 1/4" stroker for a 482(.030" over) or 496(.060 over). Take full advantage of the tall deck.

[Cas]

just save yourself a bunch of time and buy Jet Hydro's motor :)

[jshirley78]

wish I could but, cant dole out taht kind of cash right now in 1 lump and I promissed the wife that this would be about a year long build up that she could help with. She wants to learn about motors and Im not about to stop her

[Oldsquirt]

All the more reason to go big, if she is involved. Do check with someone about the parts combo. I don't the truck configuration(pistons and rods) will be the best choice. Try to do it in such a way that you leave yourself the ability to go with a stroker later without buying all new stuff. You do know that you can drop a 454 crank in there, right? 454 and 427 have the same bore but different stroke.

[jshirley78]

You do know that you can drop a 454 crank in there, right? 454 and 427 have the same bore but different stroke.
Do tell...Im not very familiar with the 427

[Oldsquirt]

396= 4.094" bore with 3.76" stroke
427= 4.250" bore with 3.76" stroke
454= 4.250" bore with 4.00" stroke
Essentially the 454 is just a stroked 427.
May have to do some clearancing, but someone like Infomaniac could help you with that info.
There are a couple of good books on the Big Block Chevy out there. Probably find them at "Barnes and Noble" or any other big bookstore chain.

[Beer-30]

396= 4.094" bore with 3.76" stroke
427= 4.250" bore with 3.76" stroke
454= 4.250" bore with 4.00" stroke
Essentially the 454 is just a stroked 427.
May have to do some clearancing, but someone like Infomaniac could help you with that info.
There are a couple of good books on the Big Block Chevy out there. Probably find them at "Barnes and Noble" or any other big bookstore chain.
Yeah, the cranks will interchange. You can sure do it in stages. First step would be to find out why the motor doesn't turn anymore. If a component has trashed the inside of the block, you're done.
If block comes apart ok, just needing machining, you can purchase a tall-deck kit of your size choice from any speed shop. More $ gets better parts.