C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Rotating assembly

Thread Tools
 
Search this Thread
 
Old Jun 10, 2006 | 04:07 PM
  #1  
jakers's Avatar
jakers
Thread Starter
Melting Slicks
20 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Feb 2005
Posts: 3,204
Likes: 4
From: Midland Georgia
St. Jude Donor '06
Default Rotating assembly

About to order parts for a rebuild. I will be rebuilding this engine as a 383 with forged components. I could always go with the Eagle stuff through Summit but I am wondering what else is out there?

I am looking for recommendations on parts and suppliers.

Thanks in advance guys!
Reply
Old Jun 10, 2006 | 05:17 PM
  #2  
Corvette Kid's Avatar
Corvette Kid
Large Impressive Member
Supporting Lifetime Gold
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 2003
Posts: 65,811
Likes: 71
From: Good health is merely the slowest possible rate at which one can die
St. Jude Donor '04-'05-'06-'07
Default

Here's where I got my rotating ***'y along w/ my rings and bearings. They were the cheapest I found at that time. Click here
Reply
Old Jun 11, 2006 | 10:38 AM
  #3  
ScaryFast's Avatar
ScaryFast
Safety Car
20 Year Member
 
Joined: Jul 2001
Posts: 4,871
Likes: 15
From: Detroit's West Side MI
Default

I hate to ask the obvious, but to accurately answer your questions we need more info. What is the purpose, street, strip, track? HP goals? RPM goals?

If you're looking for the best money can buy, I can recommend some stuff that will put your engine bill in the $25,000 range

I'm guess you want the same as most of us, as much quality as you can get with reasonable budget restrictions.

I can tell you this to start, some of the serious engine builders (including DRM) on the forum use Eagle forged cranks. I did this same research and found that while all the other big names (Callies, Lunati, etc) are still amazing pieces, the Eagle stuff is comparable for a lot less money. I just bought an Eagle lightweight crank for my 383, it was right around $1000. It is either 46 or 48 lbs, I can't remember right now...

I don't know about the other components (rods, pistons, etc) from Eagle. I didn't use them.
Reply
Old Jun 11, 2006 | 11:18 AM
  #4  
Corvette Kid's Avatar
Corvette Kid
Large Impressive Member
Supporting Lifetime Gold
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 2003
Posts: 65,811
Likes: 71
From: Good health is merely the slowest possible rate at which one can die
St. Jude Donor '04-'05-'06-'07
Default

I was a little leary of the Eagle stuff in the beginning too as they were not one of the old, well established names that were around when I first got into hot rodding many years ago. But like most of us, I'm not made of money and I've seen little negative feedback about their parts here or elsewhere. I must say that my crank is a beautiful piece, very well finished and a joy to behold. Too bad I can no longer see it! I also used their featherweight 6" H beams (445 gr.) which are rated to 500 HP. This concerned me a bit at first too. Was I giving up too much durability to save weight? Then I saw this exact part# of connecting rod spec'd for an economy sprint car class. If it can take the load of those winged monsters screaming down the straight and backing down (very stressful on rods) for the turns under the additional force of those massive wings, I think I'll be alright.
Reply
Old Jun 11, 2006 | 01:24 PM
  #5  
jakers's Avatar
jakers
Thread Starter
Melting Slicks
20 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Feb 2005
Posts: 3,204
Likes: 4
From: Midland Georgia
St. Jude Donor '06
Default Goal is a solid engine up to 6000-6500 rpm

My car is mainly a street car for now. However, since I am going through some expense I would like a engine that I could play with at the track...

I currently have: Hooker super comp headers, Crane Roller rockers, LT 4 hotcam.

I would like 375-400 hp

I would like the engine to be able to handle 6000 rpm.

I have thought about a 383, but my heads will probably not help it much. The headers are mildly modified.

I do have the option of buying a LT-4 engine (GM Long block). I have also found a intake that I can purchse for $600. I thought a lot about the LT4. Stock it would have 330 hp, throw on the headers and it is up to 350 or so... I am not sure what the hot cam would add. 15 maybe? So, I would be up to 350-365?

BTW, GM would not warranty the engine as they classify it as a 96 my and my car is a 94.

If I rebuild, I could have a very nice forged component engine that I could build on later.

I am trying to pull off this whole thing for less than $5,000
Reply
Old Jun 11, 2006 | 02:02 PM
  #6  
Corvette Kid's Avatar
Corvette Kid
Large Impressive Member
Supporting Lifetime Gold
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 2003
Posts: 65,811
Likes: 71
From: Good health is merely the slowest possible rate at which one can die
St. Jude Donor '04-'05-'06-'07
Default

Originally Posted by jakers
My car is mainly a street car for now. However, since I am going through some expense I would like a engine that I could play with at the track...

I currently have: Hooker super comp headers, Crane Roller rockers, LT 4 hotcam.

I would like 375-400 hp

I would like the engine to be able to handle 6000 rpm.

I have thought about a 383, but my heads will probably not help it much. The headers are mildly modified.

I do have the option of buying a LT-4 engine (GM Long block). I have also found a intake that I can purchse for $600. I thought a lot about the LT4. Stock it would have 330 hp, throw on the headers and it is up to 350 or so... I am not sure what the hot cam would add. 15 maybe? So, I would be up to 350-365?

BTW, GM would not warranty the engine as they classify it as a 96 my and my car is a 94.

If I rebuild, I could have a very nice forged component engine that I could build on later.

I am trying to pull off this whole thing for less than $5,000
That's very doable IMO if you can do most of it yourself. Go ahead and do your solid 383 bottom now and I'd recommend this too, due to the ridiculous escalting price of LT4 manifolds. Forget about LT4 heads and just have your LT1 heads ported either now or later. My LT1 heads now far outflow a stock LT4 head, there's a lot of potential in them in the right hands, more than enough for your goals. My last engine which was still a 350 bottom made (going from dyno results) an estimated 425-430 CHP with just a Hotcam and good headwork, basically. Also headers, 1.6 RRs, 11.3 CR, EWP and a 58mm TB at that time. I'm really looking forward to what the 388 will show. Everything up top is pretty much the same as before.
Reply
Old Jun 12, 2006 | 07:29 AM
  #7  
RichS's Avatar
RichS
Le Mans Master
25 Year Member
Conversation Starter
All Eyes On Me
Photogenic
 
Joined: Aug 1999
Posts: 7,337
Likes: 137
From: WilkesBarre PA
Default

My 396 has a Callies Dragon slayer crank, Lunatti Pro mod rods, JE SRP pistons. I paid just under $2000 for those pieces. I bought a 2-bolt block and had splyed caps installed. The car makes great power, and torque.
I had a Hot cam in my LT4 with ported heads and all the bolt ons. It went 11.8@118 in good weather. For my 396 I used the same heads and a bigger cam. It has gone 11.19@224. I'd do the stroker just for the torque.
Reply

Get notified of new replies

To Rotating assembly





All times are GMT -4. The time now is 02:44 PM.

story-0
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-1
2027 Corvette vs The World: Every Model vs Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-20 17:58:41


VIEW MORE
story-2
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE
story-3
5 MOST and 5 LEAST Popular Corvette Model Years in History!

Slideshow: 5 most and least popular Corvette model years.

By Joe Kucinski | 2026-04-08 13:25:01


VIEW MORE
story-4
2027 Corvette Buyer's Guide: Everything You Need to Know!

Slideshow: 2027 Corvette buyer's guide

By Joe Kucinski | 2026-04-17 16:41:08


VIEW MORE
story-5
10 Things C8 Corvette Owners Hate (But Won't Tell You)

Slideshow: 10 things C8 Corvette owners hate, but won't tell you.

By Joe Kucinski | 2026-04-01 18:36:07


VIEW MORE
story-6
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

Slideshow: Should you add one of these incredible Corvettes to your garage?

By Brett Foote | 2026-04-01 18:14:05


VIEW MORE
story-7
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

Slideshow: Every Corvette Grand Sport explained

By Joe Kucinski | 2026-03-26 07:13:44


VIEW MORE
story-8
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!

Slideshow: Breaking down the 2027 Grand Sport, Grand Sport X, Stingray, and LS6 V8.

By Michael S. Palmer | 2026-03-26 13:48:45


VIEW MORE
story-9
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!

Slideshow: 5 reasons bad drivers crash sports cars & 5 ways to avoid a costly shame!

By Joe Kucinski | 2026-03-25 16:32:55


VIEW MORE