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Looking for Ignition recommendations...

Hello All! I have been contemplating what kind of ignition to go with for my 1994 GMC C1500 project. I saw that for a cap, rotor, and ignition coil from both MSD and Hypertech were quite comfortable on my budget. There is a write up on Harris Performance website that suggests staying stock...
- 135 Honolulu
- Thread
- Aug 21, 2019
- Replies: 19
- Forum: Engine Performance + Maintenance
Melling M55 or M55a?

I have a project truck that has a basically stock engine. It is a 1994 GMC Sierra SLE 5.7L. I need to pull the engine to change out the freeze plugs. I figured that while the engine is out, I'd install headers and the oil pump and water pump. I have a question. Which oil pump should I use...
- 135 Honolulu
- Thread
- Jul 17, 2019
- Replies: 4
- Forum: Engine Performance + Maintenance
electric cooling fan help...

I have a 1994 GMC Sierra with a 5.7L engine. I am looking to replace the stock fan with an electric fan setup. Could anyone please recommend what size are possible? And, if single or double setup? Thank you in advance!
- 135 Honolulu
- Thread
- Jul 3, 2019
- Replies: 30
- Forum: Engine Performance + Maintenance