454 engine ? - Team Camaro Tech
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post #1 of 13 (permalink) Old Sep 26th, 05, 06:20 PM Thread Starter
 
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Angry 454 engine ?

Took apart the 454 2 bolt main that i was planning to rebuild and dump into an 85 camaro and found that one of the cylinders had been sleeved. can i still use this block?Can it still be bored over? it has a stock bore. i was shooting for 400 to 500 horse. i thought i read some where if the block was sleeved correctly its okay to use but you shouldn't put alot of stress on it. just was wanted to know what you guys thought?
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post #2 of 13 (permalink) Old Sep 29th, 05, 07:40 PM
 
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Re: 454 engine ?

run it I had a 400 sb that i sleeved and it worked fine
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post #3 of 13 (permalink) Old Sep 29th, 05, 09:36 PM
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Chris
 
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Cool Re: 454 engine ?

Take the block to a competant machine shop and have it checked. A good machinist will be able to check the previous work and condition of the block. If the block checks okay don't be afraid to build the engine it will be okay in my opinion.

Good Luck

1967 Chevelle 496BB/TH400/Dana-60 (Show and Go)
1967 El Camino 388SB/700R4/12-bolt posi (Daily Driver)
1967 C10 Short-Wide 496BB/TH400/12-bolt (The Shop Truck)
2008 Harley Davidson Dyna Low Rider


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post #4 of 13 (permalink) Old Sep 30th, 05, 09:03 AM
 
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Re: 454 engine ?

sleves are available in thin (3/32) or thick wall (1/8). A properly installed sleve in a block is as reliable as an original bore. 500hp Is no problem in a big block. do you have peanut port, oval port, or rectangle port cyl heads? For street driving a oval port head is recomended, or an afrermarket head like the brodix BBO. A rectangle port head is nice for numbers matching cars, or at the drag strip for engines turning up to 7500rpm, but the port flow on these big lazy intake runners doesnt really turn on 'til arround 3000rpm. Most times a oval port head and a nice hydraulic roller camshaft with 10.5:1 - 11:1 compression can make a comfortable 500+ and serious bottom end torque yet be very streetable.

check out this msn space. On here there are pictures of a hydraulic rollercamed, brodix bbo headed 427 (actually only 427 cube) engine with a dyno sheet showing 539ftlbs of torque and 400hp at only 3900 rpm, With peak torque of 563 @ 4500 and peak horsepower of 594 @ 6000.

http://spaces.msn.com/members/millarmachine

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post #5 of 13 (permalink) Old Sep 30th, 05, 12:32 PM
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Wes
 
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Re: 454 engine ?

Agree with the above,..in the old days, the sleeves and process wasn't too good. It's from that that sleeving had (or still has in some cases) a bad reputation.

Today, sleeving if done properly is the way to go intead locating and purchasing another block.

Many of the 302 DZ blocks these days are sleeved because there simply weren't that many DZ block produced. So are many of the 400 blocks because you can only bore a 400 once to .030 and then next time, it will need sleeves.

But on 454, you can bore to .090 I believe or more. It must endured a broken rod or something at one time.

Sleeve with confidence!...good luck!
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post #6 of 13 (permalink) Old Oct 2nd, 05, 01:54 PM Thread Starter
 
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Re: 454 engine ?

thanks alot for the input, 427ls1 i was planning on using stock large oval port heads or edlebrock oval port Preformer RPM Aluminum heads, Rpm intake, Rpm hydrualic cam. I wanted about 9.5:1 compression, can you still use pump gas on 10:1- 11:1 comperssion?

thanks again
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post #7 of 13 (permalink) Old Oct 2nd, 05, 07:21 PM
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Bob
 
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Re: 454 engine ?

You might wat to re think that Hyd RPM cam with 9.5:1 compression. it might be soft down low. There are better cams out there. I run 10.3:1 compression with 781 iron heads with no problems on 93 octane. It would probably be fine on 91. I do run a hyd roller cam with .612/.630, 236/244 @.050, 112 lsa on a 108 icl. No detonation at all. My cam really isn't too aggressive either.

Bob
Garnet Red 69/SS396/TH400/355 Posi Sold
'02 triple blk Vette Vert. now
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post #8 of 13 (permalink) Old Oct 2nd, 05, 09:37 PM
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Wes
 
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Re: 454 engine ?

Agree with the above,..I run the GM Performance O-port heads (similar to the Edelbrock's) at 10.5 compression and a Comp Cams 280 with 230 duration on my 489. I run Premium with about 14-15 degrees initial and probably 34 total timing. No problems with pinging.

But with any more timing, she'll rattle a bit.

Good luck.
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post #9 of 13 (permalink) Old Oct 3rd, 05, 08:10 PM Thread Starter
 
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Re: 454 engine ?

what kinda intake are you guys using, dual plane or singlr plane?
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post #10 of 13 (permalink) Old Oct 3rd, 05, 09:34 PM
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Wes
 
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Re: 454 engine ?

I'm running the GM Performance dual plane intake for O-Ports,..part number # 12363420. Very pleased,..probably similar to Edelbrock's RPM dual plane plane intake.
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post #11 of 13 (permalink) Old Oct 4th, 05, 12:56 AM
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Chris
 
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Cool Re: 454 engine ?

Run a Performer RPM Air-Gap if possible, really good intake. I also recommend the Permastar or Endurashine finish!

1967 Chevelle 496BB/TH400/Dana-60 (Show and Go)
1967 El Camino 388SB/700R4/12-bolt posi (Daily Driver)
1967 C10 Short-Wide 496BB/TH400/12-bolt (The Shop Truck)
2008 Harley Davidson Dyna Low Rider


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post #12 of 13 (permalink) Old Oct 4th, 05, 07:36 PM Thread Starter
 
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Re: 454 engine ?

thanks
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post #13 of 13 (permalink) Old Oct 11th, 05, 06:07 PM
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Alex
 
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Re: 454 engine ?

Don't be scared. Run it. I have hammered motors with sleeves and they held up just as good as any other.
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