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Search took 0.00 seconds. Search: Posts Made By: Mark Weymouth
Forum: 70-73 Firebird & TA TECH 05-28-2008, 10:28 AM
Replies: 3,110
Views: 183,258
Posted By Mark Weymouth
HO's you gotta love them. Twenty five years ago...

HO's you gotta love them. Twenty five years ago when I was 16 I picked up my first HO motor and intended to drop it in my first car. In the end I still have my first car and left the numbers motor...
Forum: 70-73 Firebird & TA TECH 05-27-2008, 02:45 PM
Replies: 3,110
Views: 183,258
Posted By Mark Weymouth
Your welcome and I understand how hard it can be...

Your welcome and I understand how hard it can be to wrap your mind around the numbers these cars are producing. With the exception of a person or two who come up to me each year and say I used to go...
Forum: 70-73 Firebird & TA TECH 05-27-2008, 11:18 AM
Replies: 3,110
Views: 183,258
Posted By Mark Weymouth
70 RA III I will try and not make this to long of...

70 RA III I will try and not make this to long of a discussion as most of what has been stated is correct so forgive me for any reiteration of facts above.

First and foremost I love RA III's hence...
Forum: 70-73 Firebird & TA TECH 11-19-2007, 03:26 PM
Replies: 3,110
Views: 183,258
Posted By Mark Weymouth
Thank you for the kind welcome everyone. Jim...

Thank you for the kind welcome everyone.

Jim we must use the stock exhaust manifolds, untouched and un-molested. I run a 2.5" system with a proper cross flow muffler. We could buy a bit more...
Forum: 70-73 Firebird & TA TECH 11-19-2007, 11:25 AM
Replies: 3,110
Views: 183,258
Posted By Mark Weymouth
All Things Covered

This is a very interesting thread for me. What I consider Pontiac's best street motor is the HO but it may not be the best race motor.

I am the one who built both motors and wrote the article for...
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