Has anyone used a high rise intake?
02-26-2009, 03:14 PM
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Car: 1986 trans am
Engine: 305
Has anyone used a high rise intake?
I would like to have a high rise intake. I would like to use my stock Qjet carb. I will get a better cam too. And either rebuild or upgrade my heads. What are the pros and cons of a high rise? I have always wanted one with a butterfly scoop. What is a good brand? 
For all your input you guys rock!!!!!!
For all your input you guys rock!!!!!! 
02-26-2009, 03:48 PM
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Car: 02 SS
Engine: 408 TT (1108rw-93/m1)6700rpm
Transmission: TH400(slipping)
Axle/Gears: 12bolt/3.42(whines😠)
Re: Has anyone used a high rise intake?
just stick with what u got, a 305 doesnt need any hi rise intake manifolds.
if anything it will make your car slower,
unless your building 383+ci mech. roller cam with some 300cfm heads
then im all for it
if anything it will make your car slower,
unless your building 383+ci mech. roller cam with some 300cfm heads
then im all for it
02-26-2009, 07:08 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
"High rise intake" is right along side the good ol' "3/4 cam".
Meaning, it doesn't mean anything.
If you want a better intake manifold, then an Edelbrock Performer, Weiand Action+, or Holley Street Dominator fit the bill. They all "rise" about 1/2" higher than stock. They all will run a little better than stock.
But, none will have as much effect as changing what really chokes the 305 - the exhaust.
Check out the thread about the differences between 305's and performance improvements in the FAQ forum.
As for the butterfly scoop - well, you probably don't want to hear what I'd have to say about that.
Meaning, it doesn't mean anything.
If you want a better intake manifold, then an Edelbrock Performer, Weiand Action+, or Holley Street Dominator fit the bill. They all "rise" about 1/2" higher than stock. They all will run a little better than stock.
But, none will have as much effect as changing what really chokes the 305 - the exhaust.
Check out the thread about the differences between 305's and performance improvements in the FAQ forum.
As for the butterfly scoop - well, you probably don't want to hear what I'd have to say about that.
03-13-2015, 01:55 PM
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Car: 1983 Z28
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Re: Has anyone used a high rise intake?
A lot of people run high rise intakes. Here's mine (actually that's the same one that the guy before me posted). Love it.
I wouldn't bother doing it on a 305 though.
03-15-2015, 07:34 AM
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Car: 86 Z28 T-Top
Engine: Vortec 350
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Re: Has anyone used a high rise intake?
I had a spread bore performer air gap intake once that was awesome that would work good on your 305 if your keeping the Q jet. I would not bother upgrading your heads. I would go with something like the Comp cams High energy 252 cam add an exhaust system and call it a day as far as motor mods go. Should put you around the 225-250 HP range. If your looking at going with more power or are considering new heads I would look at getting a 350 and doing a cam swap in it instead.
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