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LS1 Intake and throttle body

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Old Aug 30, 2021 | 11:27 AM
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Default LS1 Intake and throttle body

Hey guys, I'm new to the forum and automotive performance so please go easy on me. I'm putting an LS1 into a 69 C10 and am looking for some assistance on choosing an intake and DBW throttle body. My concern is the Fast 102 may be too much flow for my engine but it does have a cam (engine specs below) so it may be just fine.

My specific questions are this:
Would a stock LS6 throttle body be sufficient?
Would I see enough gains to worry justify a FAST 102?
What's yall's guess on ballpark WHP from this set-up?

I'm not looking for truck race but the more hp the merrier. It does need to look badass under the hood, lol. I already have a ton of money in this truck so budget is not my biggest concern. Any and all advice is appreciated.

2003 LS1 from corvette
243 Rebuilt Heads from LS6
Bald Eagle Cam
227/234 .600”/.600” 111 LSA 109 ICL - Duration @ .050
675 lift dual springs
Billet pushrods
Trunnion Rocker arm upgrades
ARP head bolts
Dual chain procomp timing set
Arp main studs
F Body oil pan
Complete rebuild on lower end heads and block
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Old Sep 1, 2021 | 08:03 PM
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LS6 setup will be fine or Dorman LS2
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Old Sep 8, 2021 | 11:39 PM
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Originally Posted by donny82277
Hey guys, I'm new to the forum and automotive performance so please go easy on me. I'm putting an LS1 into a 69 C10 and am looking for some assistance on choosing an intake and DBW throttle body. My concern is the Fast 102 may be too much flow for my engine but it does have a cam (engine specs below) so it may be just fine.

My specific questions are this:
Would a stock LS6 throttle body be sufficient?
Would I see enough gains to worry justify a FAST 102?
What's yall's guess on ballpark WHP from this set-up?

I'm not looking for truck race but the more hp the merrier. It does need to look badass under the hood, lol. I already have a ton of money in this truck so budget is not my biggest concern. Any and all advice is appreciated.

2003 LS1 from corvette
243 Rebuilt Heads from LS6
Bald Eagle Cam
227/234 .600”/.600” 111 LSA 109 ICL - Duration @ .050
675 lift dual springs
Billet pushrods- billet pushrods? I'm guessing you mean hardened pushrods
Trunnion Rocker arm upgrades- Yes
ARP head bolts- Go stock TTY, they are a lot cheaper unless you are planning on pulling the heads again.
Dual chain procomp timing set- not needed, use a single chain, cheaper and no clearance issues.
Arp main studs- not needed at all
F Body oil pan
Complete rebuild on lower end heads and block- Does it actually need to be rebuilt?
Comments in bold.


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