changing intake manifold?
Safety Car
Joined: Oct 2000
Posts: 3,593
Likes: 103
From: Southern Indiana
Automatically, huh? So what type of power increase do you expect to see from an intake upgrade on an otherwise totally stock engine? 1: weight reduction, 2: preparing for a Holley carb in the future.
Here's your report card from The Prof:
Engine operations theory and basic hotrodding.........F I get stuff done without researching 10 weeks because I have done it 25Xs before hand
Common courtesy and politeness...........................F- What do you want, someone asked a question and you answer with a question, on the other hand I give an answer....
Here's your report card from The Prof:
Engine operations theory and basic hotrodding.........F I get stuff done without researching 10 weeks because I have done it 25Xs before hand
Common courtesy and politeness...........................F- What do you want, someone asked a question and you answer with a question, on the other hand I give an answer....
Le Mans Master
Joined: Mar 2008
Posts: 5,948
Likes: 72
From: Oxford MA-----You just lost the game!!!!
The only thing you might notice a difference from would be a free flowing exhaust. Unless the motor was a Christmas present buying a 195 HP motor and then asking what you should do to make more power, sorry just doesn't make any sense.
What you should do to make more power would have been to buy a 295 HP motor in the first place. Buy the time you get the 195 HP motor to 295HP you will have spent more money had you bought the more powerful motor in the first place
What you should do to make more power would have been to buy a 295 HP motor in the first place. Buy the time you get the 195 HP motor to 295HP you will have spent more money had you bought the more powerful motor in the first place
Scott
Le Mans Master
Joined: Mar 2008
Posts: 5,948
Likes: 72
From: Oxford MA-----You just lost the game!!!!
Yea motorhead I would have done that IF I actually bought the motor but motor was in car when i bought car...the PO just keep records and such on everything done to car down to oil changes, wheel alignments to everything done to car for last 15 years...and i was just asking to see if it would possibly be any noticeable HP gain..thanks
.....LOL
.....LOLhttp://www.corvettefaq.com/c3/goodwr...20part%201.htm
Scott
Last edited by scottyp99; Nov 6, 2011 at 10:49 PM.
Le Mans Master
Joined: Jun 2004
Posts: 6,231
Likes: 65
From: Seattle WA
St. Jude Donor '14
Originally Posted by billla
If you have headers, there's probably around 15-20 FWHP available from an intake change. With stock exhaust manifolds, I'd probably give it a miss.
The worst kind of answers are "automatic" answers without knowing the variables...as they seldom produce good results...and show a basic lack of understanding of how to make power effectively vs. just bolting on parts.
'nuff said - I guess there's room on my <ignore list> for one more person.
Last edited by billla; Nov 6, 2011 at 09:39 PM.
Safety Car
Joined: Oct 2000
Posts: 3,593
Likes: 103
From: Southern Indiana
Actually, you never did. My answer was an aluminum intake with a pic and description, what info did you tell him that was useful?
"Where's your power estimate?" Replacing slick wore out tires with new tires really doesn't need an explanation does it? Or do you have an "on line calculator" you could use to tell you traction will be realized with new tires?
The worst kind of answers are "automatic" answers without knowing the variables...as they seldom produce good results...and show a basic lack of understanding of how to make power effectively vs. just bolting on parts. And answering a question with a question tells people you can't make a decision without 99% of the answer being given to you first.
'nuff said - I guess there's room on my <ignore list> for one more person.
"Where's your power estimate?" Replacing slick wore out tires with new tires really doesn't need an explanation does it? Or do you have an "on line calculator" you could use to tell you traction will be realized with new tires?
The worst kind of answers are "automatic" answers without knowing the variables...as they seldom produce good results...and show a basic lack of understanding of how to make power effectively vs. just bolting on parts. And answering a question with a question tells people you can't make a decision without 99% of the answer being given to you first.
'nuff said - I guess there's room on my <ignore list> for one more person.
Thread Starter
Racer
Joined: Oct 2010
Posts: 395
Likes: 0
From: winterville NC
hey guys looking at this intake and was wondering if anyone might think that i would have any clearance issues with it, the motor in car is not orginal motor but it is a GM 350 crate motor, in case that might would make a difference.........http://shop.advanceautoparts.com/web...RPENGPAMS____#
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Le Mans Master
Joined: Jun 2004
Posts: 6,231
Likes: 65
From: Seattle WA
St. Jude Donor '14
The Performer is pretty well documented to fit under the stock hood (search is your friend ), albeit often requiring a drop-base cleaner. It's one of the best low-rise, dual-plane intakes out there.
), albeit often requiring a drop-base cleaner. It's one of the best low-rise, dual-plane intakes out there.
Race Director
Joined: Jan 2000
Posts: 12,399
Likes: 247
From: San Jose CA
FWIW, when I had the GW350 installed in my motor, I also had a 3701 Edelbrock intake installed. (VS very original 1978 Corvette engine)
I couldn't honestly tell much of a power difference between the GW350 and the L48 it replaced, even though a lot of stuff was refreshed. There may have been something seen on on the dyno, but I didn't feel it.
Now, when I ditched the manifolds for 1 5/8" headers, that was night and day.
So, whether or not the intake contributed a lot after the exhaust, I can not say. I can say that if you do have to change the intake for any reason, I would much rather replace it with aluminum for the significant weight loss, improved look (IMO) and they can be ported much easily than an iron intake.
I couldn't honestly tell much of a power difference between the GW350 and the L48 it replaced, even though a lot of stuff was refreshed. There may have been something seen on on the dyno, but I didn't feel it.
Now, when I ditched the manifolds for 1 5/8" headers, that was night and day.
So, whether or not the intake contributed a lot after the exhaust, I can not say. I can say that if you do have to change the intake for any reason, I would much rather replace it with aluminum for the significant weight loss, improved look (IMO) and they can be ported much easily than an iron intake.
