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  #1  
Old 06-02-2010, 08:37 PM
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Default Forged 355 startup with video

http://www.youtube.com/watch?v=1CeACcklDyw

Sorry for the video sound quality and angle, it sounds better in person. The old guy is my neighbor Bob who is a retired GM master tech.

So I finally started up the 355 this past Saturday (May 29th) and started driving it Sunday. Wow, it's a world of difference. I'm in the 10.6:1 cr range with Dart Iron Eagle 215cc runners with 64cc chambers. The block was blueprinted and aligned. Rotating assembly was balanced.

It pulls hard and is a beast compared to the old setup. I just need to do some final tuning and it should be running even stronger. It runs up to 6500 without a problem and fairly fast and I've only done that once so far, ha ha.

Run down on the setup:

Weiand 8501 Stealth Air Strike intake (gasket matched to the heads)
Dart Iron Eagle 215cc runners with 64cc chambers
Manley race valves (2.02/1.60)
ARP 7/16th's studs
Comp Cams Ultra Pro Magnum 1.6 full roller rockers
Comp Cams Hi Tech pushrods
Comp Cams solid roller XR274R .603/.610 lift with 274/280 duration
Crower link bar roller lifters
Probe Industries forged 4cc flat tops
Eagle H-beam 3D rods with ARP bolts
King ACR rod and main bearings
Lunati full roller timing chain with torrington bearing
Hooker comp full length headers
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  #2  
Old 06-02-2010, 08:47 PM
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Sweet, i can listen pass the poor sound quality (used to it from recording music allot) and hear the real sound, sounds awsome bet you love it, cant wait to get my 355 running, still a ways to go for me though.

joe
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Old 06-02-2010, 09:19 PM
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My wife walked in and asked how that car was able to run hanging on the wall!
Sounds pretty healthy!
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Old 06-02-2010, 09:26 PM
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Yeah, you can still hear the lump of the cam in the audio. I wish I had a better video recorder than my phone. :\

Thanks Val. That's funny about your wife saying that. I feel bad about posting the video while it's tilted like that. It runs awesome and I think after the 4.56 gears it will will be a lot more fun.
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Old 06-02-2010, 09:45 PM
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Of course she didn't even notice, or ask how the guy was hanging on the fender!
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Old 06-03-2010, 12:46 AM
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well glad you finally got it up and running..sounds good kyph i noticed you have about the same cam I'm using in my 468 big block. except mines the next size up the XR280 solid roller cam. hearing yours is making me, even more excited to hear mine
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1981 Camaro: 468 big block, SRP 10:1 forged pistons, Eagle forged rods, Howards mech. roller (.660" lift, 248/248 @ 0.050), Howards direct lube lifters, Howards 1.8 rocker arms, stud girdle, Demon 850 carb, Air Gap intake, MSD ignition, Headman 2" headers, pypes 3" exhaust, EA stage 2 billet 200-4R, 3.31 posi 12 bolt, Cragar SS wheels, 1.25" front sway bar and 3/4" rear, SFC's/Solid body bushings, PTFB suspension, Dakota Digital VHX gauges
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Old 06-03-2010, 07:24 AM
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LOL I have a laptop so the vid was ok for me. I was gonna say man those are pretty big heads for a 355 until I read your cam specs. I bet that thing wants to just keep revin with that head and cam combo and 1.6 rockers. I would shift at 7200. If the crank is up to it. You didn't mention what kind it is. Gotta love those 7/16 rod bolts. Sounds very nice. Nice steady idle too. I always get alittle bit of lumber when I fire a new motor.
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Old 06-03-2010, 07:06 PM
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That sounds great. Love the lope
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Old 06-03-2010, 10:12 PM
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Quote:
Originally Posted by jason7504 View Post
well glad you finally got it up and running..sounds good kyph i noticed you have about the same cam I'm using in my 468 big block. except mines the next size up the XR280 solid roller cam. hearing yours is making me, even more excited to hear mine
Yeah, I'm very happy with it and I think you'll like yours when you get it done.

Quote:
Originally Posted by 77nomad View Post
LOL I have a laptop so the vid was ok for me. I was gonna say man those are pretty big heads for a 355 until I read your cam specs. I bet that thing wants to just keep revin with that head and cam combo and 1.6 rockers. I would shift at 7200. If the crank is up to it. You didn't mention what kind it is. Gotta love those 7/16 rod bolts. Sounds very nice. Nice steady idle too. I always get alittle bit of lumber when I fire a new motor.
I haven't seen where it will stop climbing with the RPM's. So far I've hit around 6400 without a problem and I think my rev limiter is around 6700 on the last setup. The thing has surprised me a couple of times so far with just how stout it is. The only thing that sucks is the cast aluminum timing cover that I have isn't holding the front seal 100% and it pushed out today and oil is just all over the engine compartment. Installed a new seal and is slid in without me tapping it. Sealed it with the yellow gorilla snot so maybe this one will hold. I'll just get a really nice and new timing cover in a few weeks that's a two piece or something.

Quote:
Originally Posted by rosky69 View Post
That sounds great. Love the lope
The x-pipes and flowmaster 50's actually take away the lump. It sounds more stockish till around 3000 rpm's and then it sounds awesome again. Sounds really badass.
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My Fquick page
- 1974 Type LT Z28
Blueprinted and forged 355ci L82 with a T-56 and 4.56 gears
- 2001 Z28
LS3 525hp GMPP crate, built 4L60e 10.7:1 SCR
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  #10  
Old 06-04-2010, 01:18 AM
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When you say the front seal pushed out, do you mean the timing cover gasket or the crank seal? Neither one should have "pushed out." Did you check your end play on your cam?
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Old 06-04-2010, 01:18 AM
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106, 355, build, camshaft, chevy, comp, profile, ram, roller, sbc, solid, start, tunnel, user, video, videos, xr274r

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