robert campbell
Well-known member
- Joined
- Apr 10, 2007
- Messages
- 4,322
Jamie,
You will be so pleased with this conversion!! You will be going so fast!!
Rob
You will be so pleased with this conversion!! You will be going so fast!!
Rob
COMMUNITY
1968 GT/CS & HCS
2007+ GT/CS
1966-1967 HCS
-
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351w Head Suggestion
- Thread starter jaystang
- Start date
di81977
Well-known member
- Joined
- Jan 15, 2006
- Messages
- 446
Jamie,
When I get a second, I will take a picture of the metal bars I installed to align the power steering and alternator. This is something that is commonly needed in a 351W conversion. Also be absolutely certain that the headers you get will work. I was sold and sent the wrong ones. 302/289 Headers will not work. When I installed them with the engine, they were hitting the frame. Fortunately, Summit replaced them, but it was a huge hassle pulling them out once the engine was installed. Also check the distance from shock tower to shock tower. They tend to move in over the years. I believe it should be around 33". This could impact how the headers fit under the car and require a Monte Carlo bar.
Can't wait to hear how it goes.
David
When I get a second, I will take a picture of the metal bars I installed to align the power steering and alternator. This is something that is commonly needed in a 351W conversion. Also be absolutely certain that the headers you get will work. I was sold and sent the wrong ones. 302/289 Headers will not work. When I installed them with the engine, they were hitting the frame. Fortunately, Summit replaced them, but it was a huge hassle pulling them out once the engine was installed. Also check the distance from shock tower to shock tower. They tend to move in over the years. I believe it should be around 33". This could impact how the headers fit under the car and require a Monte Carlo bar.
Can't wait to hear how it goes.
David
robert campbell
Well-known member
- Joined
- Apr 10, 2007
- Messages
- 4,322
Jamie,
One thing to consider is long tube full length headers or "shorty" headers. Long tube headers create power steering challanges (lowering of the ram where in connects to the frame) and are a pain for gound clearance if your car is low. Sometimes a pain around the steering box and clutch linkages. But they create the most HP at high RPM.
The shorty, or mid-length header, makes great low end power and would be perfect for your mild build. Few installation headaches. I have them on my GT/CS and Casey just put a pair on his car. Hedman and JBA are two companies that make them. Hedman's are far cheaper and JBA's are the "cadilac" of headers, but a bit pricey. $500 to $600.
Long tubes make the best all around power, but the shorty's are a great choice for street/strip use. Here is a link to JBA.
http://www.jbaheaders.com/detail_shortyV.asp?id=1653S
Rob
One thing to consider is long tube full length headers or "shorty" headers. Long tube headers create power steering challanges (lowering of the ram where in connects to the frame) and are a pain for gound clearance if your car is low. Sometimes a pain around the steering box and clutch linkages. But they create the most HP at high RPM.
The shorty, or mid-length header, makes great low end power and would be perfect for your mild build. Few installation headaches. I have them on my GT/CS and Casey just put a pair on his car. Hedman and JBA are two companies that make them. Hedman's are far cheaper and JBA's are the "cadilac" of headers, but a bit pricey. $500 to $600.
Long tubes make the best all around power, but the shorty's are a great choice for street/strip use. Here is a link to JBA.
http://www.jbaheaders.com/detail_shortyV.asp?id=1653S
Rob
di81977
Well-known member
- Joined
- Jan 15, 2006
- Messages
- 446
Jamie,
I am running full length headers...Hooker Super Competition. They have two piece construction (into the collector tube), makes for easier installation, but can be prone to leaks and rattles if not properly sealed.
Other than my PS systems is leaking all over the place, I did not have clearance issues or steering box problems. If I remember correctly, there is a kit that either comes with the headers or is a small extra charge to move some of the PS components for added clearance. You do, though, need to pay attention to your PS hoses. They can burn up pretty easily if not shielded from the heat. Also be aware of the speedo cable.
I encourage you to check around and find out which headers will work. Not sure that every manufacturer has these conversion headers.
David
I am running full length headers...Hooker Super Competition. They have two piece construction (into the collector tube), makes for easier installation, but can be prone to leaks and rattles if not properly sealed.
Other than my PS systems is leaking all over the place, I did not have clearance issues or steering box problems. If I remember correctly, there is a kit that either comes with the headers or is a small extra charge to move some of the PS components for added clearance. You do, though, need to pay attention to your PS hoses. They can burn up pretty easily if not shielded from the heat. Also be aware of the speedo cable.
I encourage you to check around and find out which headers will work. Not sure that every manufacturer has these conversion headers.
David
