[fairfax1000]

So you're getting an engine and distributor with VA but told not to use it?

 

[ridesdirt]

thread is a little sidetracked.

OP BPE has a good reputation, ATK seems to have more negative comments. There are plenty of other options too, Skip White is another large engine shop. I only have experience with BPE and it has been good. Engine runs good, no complaints.

Just an FYI, you can get 427 or even 454 ci in a small block, BPE has big blocks up to 632 ci

 

[DOUG G]

Free Shipping on ZZ427 19331572 from SDPC (sdparts.com)

 

[BillK]

c

I have a BBC 454 in my 69. It's a little tired and I'm thinking about replacing it.

I have been looking at crate motors, I would love to get a 427 but the only one I can find is GM Performance and it is a little high for my budget.

I see crate motor from Blue Print and ATK. does anyone know anything about either of them? Or can anyone suggest a different supplier.

I'm not looking for big cubic inches, Like I said I would prefer a 427 but if I can't find that I'll go with a 454.

Thanks
Craig

Craig,
How much do you know about your 454 ? Heads ? Cam ? The block is the same as a 427 and cranks are available. Without knowing your budget its hard to really give a recommendation.

I see you are in NJ ? Give Tom a call at Mid Atlantic Muscle cars and ask him who is doing engines for him.

Mid Atlantic Muscle Car

I would give you a quote but I am so behind I dont dare

 

[68conv455]

If you want to truly be happy open up your budget and buy an LS3. Just an awesome powerplant.

 

[SS Performance]

I appreciate everyones responces.

My current motor is a MK IV 454, whoever built it tried very hard to be period correct. Heads are L88, cam is solid flat tappet. Like I said the motor seems tired, performance not what I would expect from a 454. I did a compressionm test, drivers side only averaged about 135 and drivers side about 125.

My reason for replacing rather that rebuilding is partially to avoid down time and partially due to difficulty finding 427 rotating assembly parts. I'm not in a huge rush the car is running now.

I'm aware that the 427 & 454 are the same block.

I spoke with Mark at VortecPro and he said he can build me a 427, I know more cubes is more power but this is a cruiser not a race car I already have several of those.

I'll check MidAtlantic as well.

I looked at the GMPP 427 but that's a bit much for my budget.

Thank
Craig

 

[srode]

Are you set on a BBC because it's easier / less expensive to install because that's what you have in there now? If the car's a cruiser, personally I would choose a roller cam'd SBC with EFI. You can get better fuel economy, and still plenty of oomf. Pretty easy to get 500 ft/lbs of torque out of a SBC and still get reasonable fuel economy. A BBC looks nice under the hood just because it's big but for a street car you really don't need more than 500ft/lbs of torque to roast the tires and have lots of fun.

What ever you choose, as far as not using a vacuum advance, you can always change the tuning on the engine delivered and set it up to use the vacuum advance, you just need to know what you are doing and set it up so you aren't risking detonation. If you aren't comfortable doing it find someone to tune it for you. You may not get the numbers on the dyno sheet but the change probably won't be noticeable unless you are looking at 1/4 mile ET or something anyway.

 

[SS Performance]

Are you set on a BBC because it's easier / less expensive to install because that's what you have in there now? If the car's a cruiser, personally I would choose a roller cam'd SBC with EFI. You can get better fuel economy, and still plenty of oomf. Pretty easy to get 500 ft/lbs of torque out of a SBC and still get reasonable fuel economy. A BBC looks nice under the hood just because it's big but for a street car you really don't need more than 500ft/lbs of torque to roast the tires and have lots of fun.

What ever you choose, as far as not using a vacuum advance, you can always change the tuning on the engine delivered and set it up to use the vacuum advance, you just need to know what you are doing and set it up so you aren't risking detonation. If you aren't comfortable doing it find someone to tune it for you. You may not get the numbers on the dyno sheet but the change probably won't be noticeable unless you are looking at 1/4 mile ET or something anyway.

I have had 2 69 Camaro SBC cars this is my first BBC, so I want to keep it that way. I know a lot of people are going LS but my 70 Camaro has a LS motor and I don't two of the same car.

 

[DOUG G]

427 BBC rotating assemblies aren't really that expensive, and I agree with a roller cam.

If you go roller, you can get it ground to the same specs as your flat tappet cam, if you're happy with it, and it will be just a little better in power department.