Holley hi-ram or ported L92 from peakspeedshop
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Holley hi-ram or ported L92 from peakspeedshop
Seeing how the "radical port job" for the L92 manifold is $400+ I was wondering if any had opinions or experience with the Holley efi hi-ram? Yes it is a couple hundred more but damn it looks good, comes with fuel rails, and may make better power.
Going to an aluminum manifold would IAT be much higher? I definitely do not want to lose any low rpm HP or TQ...
Hopefully, let the comments of knowledge begin
Going to an aluminum manifold would IAT be much higher? I definitely do not want to lose any low rpm HP or TQ...
Hopefully, let the comments of knowledge begin
#2
I have a gauge for that
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Ive had both...
The stock intake works very well actually, or at least, wasnt a restriction for me around the 900-1000hp mark, but I dont spin higher than 6500rpm. The holley does look a lot better, but will heat soak a lot.
Given your two options I would get the holley.
The stock intake works very well actually, or at least, wasnt a restriction for me around the 900-1000hp mark, but I dont spin higher than 6500rpm. The holley does look a lot better, but will heat soak a lot.
Given your two options I would get the holley.
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6.2, ARH headers, spin tech, LS9 camshaft, ASP underdrive, LS7 ported TB, 4.10 gears, black bear tune
The manifold is core to the nitrous setup I am putting together. A plate kit with stock manifold or the trick bar setup installed in the holley by nitrous express
The manifold is core to the nitrous setup I am putting together. A plate kit with stock manifold or the trick bar setup installed in the holley by nitrous express
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#8
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Still sitting on the shelf.... Ready to go
It's actually a really nice manifold and the nitrous is 100% hidden and can flow way more than you probably wanna spray lol. I was going to use it on a very "stock appearing" L92 headed setup but had never done it.... I would actually like to see it used. I've got a GMT900 engine cover I'd throw in with it if you needed one. Either way.
It's actually a really nice manifold and the nitrous is 100% hidden and can flow way more than you probably wanna spray lol. I was going to use it on a very "stock appearing" L92 headed setup but had never done it.... I would actually like to see it used. I've got a GMT900 engine cover I'd throw in with it if you needed one. Either way.
#10
you lost your n/a torque as it is with that cam. doing the holley manifold with flat out nuke it all together.
the problem i have with the peakspeed manifold is lack of hard data. has been asked for numerous times and nothing has come to date of it.
in short. you want to keep what torque you have right now down low? stock style manifold. ported or factory issue. your choice.
the problem i have with the peakspeed manifold is lack of hard data. has been asked for numerous times and nothing has come to date of it.
in short. you want to keep what torque you have right now down low? stock style manifold. ported or factory issue. your choice.