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boostednut · 01-21-2018, 07:13 PM

The common thread in all the builds I've seen so far (well the majority of them) is to upgrade to both the lt4 pump and injectors.

However I also know off previous cars I've built, that when a platform is still relatively new (even the earliest of c7's especially considering the popularity of port vs direct), things haven't usually been fully investigated. And as time goes on, limits (in terms of strength, durability etc) become more concrete/understood. This can be a pretty big factor in cost to build.

Has any shop/any individuals explored which one is actually the limit? I've seen at least a post or two suggesting that the lt1 injectors really aren't the issue, but the pump is. It would make sense that the pump is solely the limit, as an increased fuel lobe will take the fuel system noticeably further. (Low pressure issues assuming to be fixed).

Any comments, thoughts?

01-21-2018, 07:13 PM	#1
boostednut Drives: Nothing cool atm Join Date: Aug 2017 Location: California Posts: 138	Lt1 Injectors or Pump? The common thread in all the builds I've seen so far (well the majority of them) is to upgrade to both the lt4 pump and injectors. However I also know off previous cars I've built, that when a platform is still relatively new (even the earliest of c7's especially considering the popularity of port vs direct), things haven't usually been fully investigated. And as time goes on, limits (in terms of strength, durability etc) become more concrete/understood. This can be a pretty big factor in cost to build. Has any shop/any individuals explored which one is actually the limit? I've seen at least a post or two suggesting that the lt1 injectors really aren't the issue, but the pump is. It would make sense that the pump is solely the limit, as an increased fuel lobe will take the fuel system noticeably further. (Low pressure issues assuming to be fixed). Any comments, thoughts?