Re: Circle R racing (BOSS429)

BOSS 429 on April 5th 2010, 11:25 pm

Denny wrote:I want to thank Rich @ Circle R racing for helping me build my A441 hemi headed motor. Rich really knows the Boss 429 engines and is a great resource when builing one, I encourage anyone building a Ford hemi engine to get in touch with him. His tag name is BOSS429 and is a member on the forum. My engine came back from dyno with north of 950 hp on 92 octane pump gas. ( I am not going to disclose the build specs but Rich knows them) I am currently working with Rich on a nascar Boss 429 engine for street use, I am a rookie at building high hp engines and Rich guided me thru all the tough stuff over the phone.

Now I have to stuff this engine in my T-bird for racing season ( no high dollar race gas this year)

Thanks...
Denny

-------------------------

Thanks for the kind words denny.Im glad i could improve your program ,and look forward to working on/with you on the other boss 429 engine. i hope in a month to dyno another boss

-RICH

BOSS 429 on August 18th 2010, 5:03 pm

looks like im going to be involved in another one like this PUMP GAS build, im using the TM BOSS 429 HEADS for this next build

Treeyasoon on August 18th 2010, 9:39 pm

What did that T-Bird end up running?

BOSS 429 on August 19th 2010, 10:08 pm

i guess i didnt see this yesterday, hes working some bugs out of the car, he should up date soon, and we will both know,lol

BOSS 429 on October 14th 2010, 12:16 am

ive been busy, but my latest one will go on the dyno next wed or thrusday,

in fact we have yet another set of tm boss heads on order for a 600'' pump gas engine

-rich

IDT-572 on October 16th 2010, 7:17 pm

Man, those runners are short on that manifold............. Shocked

Nevs on October 17th 2010, 5:55 am

IDT-572 wrote:Man, those runners are short on that manifold.............

I wondered about that a s well.... Question

How long are they?

BOSS 429 on October 17th 2010, 9:12 am

its all in how the manifold was made. it looks short,and it is by most std's. But most important this engine really likes it.

-rich

jasonf on October 17th 2010, 10:45 am

These boss motors are almost like cheating they make so much power. A friend of mine built a 547 this summer for a customer, 10.2:1 street motor with Kaase heads and intake, mild street roller and It made 875 hspr.

Nevs on October 17th 2010, 4:39 pm

BOSS 429 wrote:its all in how the manifold was made. it looks short,and it is by most std's. But most important this engine really likes it.

-rich

That's the important thing. As long as it works, who cares how long they are. It certainly looks like a nice manifold. Did you guys fab it or who did? Cool

TorinoGT on October 17th 2010, 8:00 pm

Wow... beautifull engine... something about a boss headed bbf that just stands head and shoulders above all other engines.

I hope to have a boss engine someday

Shane

BOSS 429 on February 8th 2011, 12:50 am

I hope you or anyone else that wants one gets one, start by gathering small parts first,youll get there, heads are kinda high but the curb apeal is something else,and then the power that you can make is a plus.

I get calls,and emails a lot about putting boss heads on reg blocks ,( WHICH BLOCK CAN I USE?),It can be done to any bb ford block,and any of the boss 429 heads can be used, JK'S,TM'S C9'S D0'S ANY of them can be installed on any block... d9 c8,do d1 ,svo etc.

-R

BOSS 429 on January 2nd 2012, 9:15 pm

DENNY BE SURE TO LOOK AT THE PICS OF THE HEADS on the other bb ford thread, we talked about welding a set.

chuck on January 2nd 2012, 9:44 pm

Sweet looking motor!!!!

knrclark on January 3rd 2012, 8:55 pm

Looks really awesome good luck

Kerry