stock intake Vs aftermarket highrise
10-12-2005, 01:58 PM
#1
Racer
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stock intake Vs aftermarket highrise
The 69 427/390hp car i recently purchased has an aftermarket holley carb and high rise intake. The car also has an aftermarket L88 style hood with a piece on top of that. I have the original stock aluminum intake and carb. I want to purchase a correct big block hood, but if i do that i need to convert back to the original intake and carb. My question is how much extra power does a high rise actually give you?
10-12-2005, 02:08 PM
#2
Team Owner
From what I have read, high rise intakes are great for upper rpm power, but may sacrafice some low end power for that. What kind of a cam is in the car? By switching to a low rise intake, you may be choking the top end (and perhaps more powerful end) of the cam. If you do switch, you may want to swap the cam out as long as you're at it to match your induction needs.
trw
Sorry I can't give you a solid number.
trw
Sorry I can't give you a solid number.
10-12-2005, 03:39 PM
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Racer
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Originally Posted by 72 stingray owner
From what I have read, high rise intakes are great for upper rpm power, but may sacrafice some low end power for that. What kind of a cam is in the car? By switching to a low rise intake, you may be choking the top end (and perhaps more powerful end) of the cam. If you do switch, you may want to swap the cam out as long as you're at it to match your induction needs.
trw
Sorry I can't give you a solid number.
trw
Sorry I can't give you a solid number.
10-12-2005, 04:54 PM
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Then no way I'd go back to a stock intake. You can give up 40+ hp easily by going from a good intake back stock.
The L-88 hood looks killer and a serious motor under it will just be killer.. Let's do it!!
JIM
The L-88 hood looks killer and a serious motor under it will just be killer.. Let's do it!!
JIM
10-12-2005, 05:03 PM
#5
Le Mans Master
I spent 20 min. on the phone with their tech. dept. last week. I asked them how the came up with the hp ratings on their Vic. Jr. heads. I was told at the time of purchase that they would make good street/strip heads. They lie...lol. The hp ratings on these heads were derived using 13.5:1 compression rario. Some street heads....They are just pushing parts, IMO
10-12-2005, 05:14 PM
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Originally Posted by 69/70vette
The 69 427/390hp car i recently purchased has an aftermarket holley carb and high rise intake. The car also has an aftermarket L88 style hood with a piece on top of that. I have the original stock aluminum intake and carb. I want to purchase a correct big block hood, but if i do that i need to convert back to the original intake and carb. My question is how much extra power does a high rise actually give you?
intake, and have a original one for you.
