Search found 345 matches
- Fri Jul 07, 2023 1:44 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 rotating assembly weights
- Replies: 25
- Views: 7521
Re: Lz9 rotating assembly weights
Makes sense to measure from the center of the bores, but really difficult to do. I thought balancing a connecting rod on a razor blade was difficult.
- Thu Jul 06, 2023 11:58 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 rotating assembly weights
- Replies: 25
- Views: 7521
Re: Lz9 rotating assembly weights
Id love to see you balance a connecting rod on a razor blade. 20230706_233145.jpg Got it as close as I could, came up with 128.5mm SE 75.5mm BE. 204mm OAL. That makes it a 37/63 weight split, but the weight based on measurements is not even in the ballpark compared to the math. Unless you have a bet...
- Wed Jul 05, 2023 9:43 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 rotating assembly weights
- Replies: 25
- Views: 7521
Re: Lz9 rotating assembly weights
You can balance the stock rod on a razor blade to find the location of the centre of gravity. Knowing the total weight (which you have), and the CG location, you can work out the big and small end weights. Is that something people do? Is there a math formula for it? This is my math alternative;) 20...
- Fri Jun 09, 2023 5:57 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: wet sump engine oil control, a thread.
- Replies: 51
- Views: 5429
- Thu Jun 01, 2023 3:13 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Extremely Good Thread on Camshaft Design and Valve Events
- Replies: 26
- Views: 9131
- Thu Jun 01, 2023 5:40 am
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Extremely Good Thread on Camshaft Design and Valve Events
- Replies: 26
- Views: 9131
- Fri May 26, 2023 4:03 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: LZ4 3500 rod info and forged Pistons options.
- Replies: 34
- Views: 5272
- Tue May 23, 2023 6:33 pm
- Forum: For Sale
- Topic: For Sale Lz4/9 Cam bearing spacers
- Replies: 3
- Views: 8721
Re: For Sale Lz4/9 Cam bearing spacers
Are these using the wide cam bearings recommended in the chevy performance manual, or stock 60V6 cam bearings?
- Mon May 22, 2023 11:57 pm
- Forum: For Sale
- Topic: Looking for bow tie aluminum block
- Replies: 1
- Views: 1236
Re: Looking for bow tie aluminum block
How much you wanna spend on a new one? You will have to come pick it up.
- Mon May 22, 2023 2:11 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Splayed Valve Heads Porting
- Replies: 8
- Views: 2236
- Thu Mar 16, 2023 12:25 am
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Extremely Good Thread on Camshaft Design and Valve Events
- Replies: 26
- Views: 9131
- Tue Feb 21, 2023 8:56 am
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Engine Technology Thread; starting with dimpled pistons
- Replies: 14
- Views: 2627
- Tue Feb 21, 2023 8:11 am
- Forum: Anything Goes
- Topic: The Hunt!/Eric's new dump.
- Replies: 140
- Views: 79077
- Sun Feb 19, 2023 8:08 am
- Forum: Anything Goes
- Topic: The Hunt!/Eric's new dump.
- Replies: 140
- Views: 79077
- Tue Jan 03, 2023 4:44 pm
- Forum: Anything Goes
- Topic: Harbor Freight welder cart.
- Replies: 4
- Views: 1502
- Thu Dec 22, 2022 7:01 am
- Forum: Anything Goes
- Topic: The Hunt!/Eric's new dump.
- Replies: 140
- Views: 79077
- Wed Dec 21, 2022 6:37 am
- Forum: Anything Goes
- Topic: The Hunt!/Eric's new dump.
- Replies: 140
- Views: 79077
- Mon Oct 27, 2008 2:40 am
- Forum: Pontiac Fiero Discussion (General Non-Technical)
- Topic: Think it's about time to spin some rollers (Aaron's dyno)
- Replies: 153
- Views: 20689
- Sat Oct 18, 2008 4:51 am
- Forum: Pontiac Fiero Discussion (General Non-Technical)
- Topic: Question about 60* oil leak
- Replies: 27
- Views: 5205
- Thu Aug 21, 2008 10:40 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: 60deg build Q's
- Replies: 94
- Views: 11032