What intake

mp71conv · October 29th, 2008, 08:03 PM

Ok Im having alot of problems deciding what to do with my 350 rebuild.
Not sure about the inake. Either an edlebrock performer or performer rpm.
Does anyone have these and is there really much differance. I would like lower
rpm power than high end . and might use a comp cam with 490 lift..... maybe.

Also what about hood clearance?.
Thanks. I could also use any help on a good solid rebuild.
I would like to know what others have done.

Oldsguy · October 30th, 2008, 06:10 AM

Performer is aluminum version of stock 4bbl, or very similar. RPM is the newer version that they market with a cam but you can buy them separate. No problems with hood clearance on either one or with HEI distributors either. As to builds, so many... Maybe take a look over at R.O.P. they have a specific sub-forum for engine builds. As Norm always says, find a competent machine shop that you trust and has a reputation for being fair and thorough and see what they can do for you.

captjim · October 31st, 2008, 05:47 PM

It depends on the whole combo. The RPM is probably a better choice, but in my high 13 second wagon with a 9 to 1 355 with a .472/.488 210/216 cam, it was quicker in the 1/4 mile and more responsive with the Performer. What are your engine and car specs?

mp71conv · October 31st, 2008, 10:52 PM

It is a 71 convertible.

I am rebuilding the motor so anything goes.
I was thinking of comp cam with 490 lift int and ex
230 dur
performer rpm intake
headers
flat top pistons
maybe a different stall converter but not sure how much.

captjim · November 1st, 2008, 06:10 AM

With that much cam and compression, the RPM is probably a better choice, IMO. You will also want to change the rear end gear into the 3.42-3.73 range with that combo.

October 29th, 2008, 08:03 PM	#1 (permalink)
mp71conv Registered User Join Date: Mar 2007 Location: Pittsburgh PA Posts: 76	What intake Ok Im having alot of problems deciding what to do with my 350 rebuild. Not sure about the inake. Either an edlebrock performer or performer rpm. Does anyone have these and is there really much differance. I would like lower rpm power than high end . and might use a comp cam with 490 lift..... maybe. Also what about hood clearance?. Thanks. I could also use any help on a good solid rebuild. I would like to know what others have done.

October 30th, 2008, 06:10 AM	#2 (permalink)
Oldsguy Hot Rodder at heart Administrator Join Date: May 2004 Location: Lees Summit MO Posts: 5,360	Performer is aluminum version of stock 4bbl, or very similar. RPM is the newer version that they market with a cam but you can buy them separate. No problems with hood clearance on either one or with HEI distributors either. As to builds, so many... Maybe take a look over at R.O.P. they have a specific sub-forum for engine builds. As Norm always says, find a competent machine shop that you trust and has a reputation for being fair and thorough and see what they can do for you. __________________ Dan '77 Cutlass Supreme '46 2 door "The rocket 455.....it's a sledgehammer approach to a thumbtack world" LuxBlue of HAMB.

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Need 66-70 Toronado Intake	joeacheson	Parts Wanted	8	August 31st, 2008 09:46 PM
70w-31 intake	olds4life	Small Blocks	4	June 20th, 2008 07:00 PM
intake manifold	sborruso	Parts Wanted	4	January 8th, 2008 01:10 PM
w-350 Intake or Edelbrock Intake	71cuttyS	Small Blocks	5	October 31st, 2007 05:58 PM
69 Toro intake	handsomened	Big Blocks	2	March 30th, 2007 05:47 AM

October 31st, 2008, 05:47 PM	#3 (permalink)
captjim Registered User Join Date: Aug 2007 Posts: 378	It depends on the whole combo. The RPM is probably a better choice, but in my high 13 second wagon with a 9 to 1 355 with a .472/.488 210/216 cam, it was quicker in the 1/4 mile and more responsive with the Performer. What are your engine and car specs?

October 31st, 2008, 10:52 PM	#4 (permalink)
mp71conv Registered User Join Date: Mar 2007 Location: Pittsburgh PA Posts: 76	It is a 71 convertible. I am rebuilding the motor so anything goes. I was thinking of comp cam with 490 lift int and ex 230 dur performer rpm intake headers flat top pistons maybe a different stall converter but not sure how much.

November 1st, 2008, 06:10 AM	#5 (permalink)
captjim Registered User Join Date: Aug 2007 Posts: 378	With that much cam and compression, the RPM is probably a better choice, IMO. You will also want to change the rear end gear into the 3.42-3.73 range with that combo.