05-02-2021, 01:52 PM | #1 |
Registered User
Join Date: Jun 2010
Location: Clarksville, Tn
Posts: 142
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Roller cam question
Hey guys,
I'm in the process of building a roller cam engine for my lwb 70 c10. The foundation will be a freshly machined oe roller, 2 bolt main, .030 over 355 (638 block). I don't have numbers on deck height right now, it is still at the shop. But for conversations, we'll say stock deck height right now. The idea is to build a strong little engine that has very strong torque numbers and reasonable hp numbers. I do not plan to take the truck to track but just want a hot little street engine that has a good sound and works well with the truck. I'm running a th350 with 3.73 rear gears. I have a balanced rotating assembly, with hypereutectic +7 cc pistons and stock rod length. I would like to use a set of 062 vortec heads that I already have (just needs to be set up for the chosen roller cam). Long story short, I was looking at the xr270hr from comp (218/224, .495/.502 if I remember correctly with 1.5 rockers). Do you guys think this is a good cam for the set up, especially with vortecs? Again, the overall idea is strong bottom torque more so than top horsepower, but good hp numbers are a bonus. I do plan to get on it from time to time, but I want to make sure it will work well with the heavy truck and 3.73 gearing. Thank you all for the feedback.
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