header clearance

My67_fastback · January 5th, 2007, 01:08 AM

i have a 67 fastback engine swap. its got a 351w and im wondering if anyone has any tips on getting it into the car and still having room for full length tri-y's. im bout to start installing it and its looking REAL tight

SemperFi · January 5th, 2007, 02:26 AM

Don't know whats out there for pipes now days or what you have. Did a 351C in a 67 back in '83 and we had to have them custom made. man-o-man it was sweet tho - hauled ass too, but we stripped & lightn'd the car alot. What we did to them back then we should be hung for. Damn we wasted some sweet rides. but they cost only a few hundred $ then too. Good luck!

themadgnome · January 16th, 2007, 04:44 PM

There are several "kits" as far as tight clearance headers. Im not too sure about full length headers but i know for a fact that you can find shorties. I wish i had my other computer with me, i had a bunch of them bookmarked.

latamud · February 24th, 2007, 03:49 PM

I used a pair of headman 351w conversion headers when I installed it in my 66. They slipped right in, no massaging necessary. they fit better than any 289/302 headers I've ever used. I thik Tri-Ys might fit but would be restrictive for a 351. You'd get more torque though.

Fastback GT · February 24th, 2007, 09:24 PM

with the tri-y's you will heve to use the smaller bell housing. the tri-y's come in to close for the 11" clutch bell.

latamud · February 25th, 2007, 10:31 AM

Originally Posted by Fastback GT

with the tri-y's you will heve to use the smaller bell housing. the tri-y's come in to close for the 11" clutch bell.

Adding on to this, if you have to use the smaller bellhousing you will need a 10.5" clutch and 157 tooth 28oz flywheel too, assuming you aren't already using them.

Fastback GT · February 25th, 2007, 05:03 PM

+1 Thanks for the back up!!!

I just assumed that he was because he has the tri-y's allready.

January 5th, 2007, 01:08 AM	#1
My67_fastback Regular Join Date: Dec 2006 Location: oklahoma Posts: 196 iTrader: 0 reviews	header clearance i have a 67 fastback engine swap. its got a 351w and im wondering if anyone has any tips on getting it into the car and still having room for full length tri-y's. im bout to start installing it and its looking REAL tight __________________ TO: Ricers- 1) there's no replacement for displacement 2) my lug nuts require more torque than your engine makes 3) a light car doesn't excuse a weak engine 4) a bottle of pepsi has more liters than your car eating rice builds muscle

January 5th, 2007, 02:26 AM	#2
SemperFi Newbie Join Date: Jan 2007 Location: between here & there (WI) Posts: 29 iTrader: 0 reviews	Don't know whats out there for pipes now days or what you have. Did a 351C in a 67 back in '83 and we had to have them custom made. man-o-man it was sweet tho - hauled ass too, but we stripped & lightn'd the car alot. What we did to them back then we should be hung for. Damn we wasted some sweet rides. but they cost only a few hundred $ then too. Good luck! __________________ SemperFi - God, Corps, Country & Mustangs.

January 16th, 2007, 04:44 PM	#3
themadgnome Regular Join Date: Jan 2007 Posts: 66 iTrader: 0 reviews	There are several "kits" as far as tight clearance headers. Im not too sure about full length headers but i know for a fact that you can find shorties. I wish i had my other computer with me, i had a bunch of them bookmarked. __________________

February 24th, 2007, 03:49 PM	#4
latamud Regular Join Date: Feb 2007 Location: Dayton, OHIO Posts: 158 iTrader: 0 reviews	I used a pair of headman 351w conversion headers when I installed it in my 66. They slipped right in, no massaging necessary. they fit better than any 289/302 headers I've ever used. I thik Tri-Ys might fit but would be restrictive for a 351. You'd get more torque though. __________________ 66 Coupe, Supercharged 408 Clevor, Viper T56, Cobra IRS 66 Coupe, Supercharged 03 Cobra drivetrain and suspension (project) 03 Viper, Supercharged

February 24th, 2007, 09:24 PM	#5
Fastback GT Regular Join Date: Aug 2006 Location: Albany NY Posts: 140 iTrader: 0 reviews	with the tri-y's you will heve to use the smaller bell housing. the tri-y's come in to close for the 11" clutch bell. __________________ Thanks Bill My Lug Nuts Have More Torque Than Your Honda !!

February 25th, 2007, 05:03 PM	#7
Fastback GT Regular Join Date: Aug 2006 Location: Albany NY Posts: 140 iTrader: 0 reviews	+1 Thanks for the back up!!! I just assumed that he was because he has the tri-y's allready. __________________ Thanks Bill My Lug Nuts Have More Torque Than Your Honda !!

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