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AFR BBF Head

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Post  57ford custom February 24th 2018, 2:43 pm

I'm looking at the crank and it clearly shows the approximate 3/4 inch larger diameter that I posted about that the Danny Bee belt drive lower pulley won't fit on. So if anyone is considering a Danny Bee belt drive system be aware of this problem. Mine is a scat crank but the stock crank was the same as the one in this picture.
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Post  Lem Evans February 24th 2018, 3:51 pm

Dave De wrote:No main studs.... must be a front sump package with a pan that has a screen?

AFR BBF Head - Page 11 Img_0220

7" front 9" rear .

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Post  57ford custom February 24th 2018, 4:38 pm

How did you get the bottom pulley on as there was no way in hell it fit mine
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Post  BOSS 429 February 25th 2018, 1:57 am

BBFTorino wrote:So let me try to get this right....and correct me if Im wrong.
The AFR heads are a quality product, and they are better 'out of the box' than a P-51 or SCJ head, yes?
But with some porting, the P-51 and SCJ's would make more power than the AFR's, yes?
But with further porting on the AFR's, they would out perform the P-51 and SCJ's, yes?

Has anyone done any custom porting on a set of AFR's yet??....I mean like somewhat beyond the out of the box CNC job that they already have??
If so, it would be interesting to see the comparison of the CNC version against a hand ported version.

As I understand it, a set of P-51 or SCJ heads still needs the intake to be ported/matched to the heads (if one wants to optimize their combo), but the AFR intake matches the AFR heads a lot better right out of the box, yes?



YES, HAD A SET OF THESE HEADS in my hand today, I hope I get to work on a set.keep in mined THEY come ported from AFR.
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Post  BBFTorino February 25th 2018, 3:02 am

BOSS 429 wrote:
BBFTorino wrote:So let me try to get this right....and correct me if Im wrong.
The AFR heads are a quality product, and they are better 'out of the box' than a P-51 or SCJ head, yes?
But with some porting, the P-51 and SCJ's would make more power than the AFR's, yes?
But with further porting on the AFR's, they would out perform the P-51 and SCJ's, yes?

Has anyone done any custom porting on a set of AFR's yet??....I mean like somewhat beyond the out of the box CNC job that they already have??
If so, it would be interesting to see the comparison of the CNC version against a hand ported version.

As I understand it, a set of P-51 or SCJ heads still needs the intake to be ported/matched to the heads (if one wants to optimize their combo), but the AFR intake matches the AFR heads a lot better right out of the box, yes?



YES, HAD A SET OF THESE HEADS in my hand today, I hope I get to work on a set.keep in mined THEY come ported from AFR.

Which ones do you have??..the 315's??

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Post  Lem Evans February 25th 2018, 11:23 am

Dave De wrote:No main studs.... must be a front sump package with a pan that has a screen?

AFR BBF Head - Page 11 Mick_p10
AFR BBF Head - Page 11 Mick_p11

No screen door parts included.......only trays for me.

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Post  Dave De February 25th 2018, 11:41 am

Lem Evans wrote:
Dave De wrote:No main studs.... must be a front sump package with a pan that has a screen?

AFR BBF Head - Page 11 Mick_p10
AFR BBF Head - Page 11 Mick_p11

No screen door parts included.......only trays for me.

A work of art and functional as well. How does the oil pickup tube get supported?
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Post  Lem Evans February 25th 2018, 11:48 am

The usual main bolt with the 3/8" stud on the end.

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Post  cobrakid8 February 25th 2018, 12:35 pm

That pan looks really nice! Not trying to hijack, but what's the best way to put one of those on with no outer pan rail visible and only the holes, I never had one before like this.

And very nice build Lem, you and Flip both know how to build one hell of a motor! Very good showing by the AFR heads also!

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Post  rmcomprandy February 25th 2018, 12:46 pm

cobrakid8 wrote:That pan looks really nice! Not trying to hijack, but what's the best way to put one of those on with no outer pan rail visible and only the holes, I never had one before like this.  

And very nice build Lem, you and Flip both know how to build one hell of a motor! Very good showing by the AFR heads also!

Nuts on short studs, VERY carefully, from the bottom with the engine upright.

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Post  cobrakid8 February 25th 2018, 12:51 pm

rmcomprandy wrote:
cobrakid8 wrote:That pan looks really nice! Not trying to hijack, but what's the best way to put one of those on with no outer pan rail visible and only the holes, I never had one before like this.  

And very nice build Lem, you and Flip both know how to build one hell of a motor! Very good showing by the AFR heads also!

Nuts on short studs, VERY carefully, from the bottom with the engine upright.

Thanks Randy, sounds like I am going to have a fun time lol

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Post  BOSS 429 February 28th 2018, 12:55 am

BBFTorino wrote:
BOSS 429 wrote:
BBFTorino wrote:So let me try to get this right....and correct me if Im wrong.
The AFR heads are a quality product, and they are better 'out of the box' than a P-51 or SCJ head, yes?
But with some porting, the P-51 and SCJ's would make more power than the AFR's, yes?
But with further porting on the AFR's, they would out perform the P-51 and SCJ's, yes?

Has anyone done any custom porting on a set of AFR's yet??....I mean like somewhat beyond the out of the box CNC job that they already have??
If so, it would be interesting to see the comparison of the CNC version against a hand ported version.

As I understand it, a set of P-51 or SCJ heads still needs the intake to be ported/matched to the heads (if one wants to optimize their combo), but the AFR intake matches the AFR heads a lot better right out of the box, yes?



YES, HAD A SET OF THESE HEADS in my hand today, I hope I get to work on a set.keep in mined THEY come ported from AFR.

Which ones do you have??..the 315's??




yes
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Post  Dave De February 28th 2018, 8:53 pm

Lem Evans wrote:
Dave De wrote:No main studs.... must be a front sump package with a pan that has a screen?

AFR BBF Head - Page 11 Mick_p10
AFR BBF Head - Page 11 Mick_p11

No screen door parts included.......only trays for me.

The pan came in today and it looks as good as the pictures. I was expecting some stickers but I can wait. Someday I'll be in the 8's and make you proud.
Thanks much....
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Post  Lem Evans March 2nd 2018, 10:30 am

Did you get the damper?

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Post  lance flake March 2nd 2018, 5:31 pm

What type of car is this engine going in? Door car or dragster?

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Post  Dave De March 2nd 2018, 7:41 pm

Lem Evans wrote:Did you get the damper?

It came in Thursday and it looks great.
Thanks
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Post  bigford632 March 10th 2018, 8:26 pm

Lem / Philip,

What adjusting nuts did you guys use for the AFR / Jomar stud girdle on this build? The AFR information online is horrible for these and half of their links are broken!

Thanks,
Butch

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Post  Lem Evans March 10th 2018, 8:52 pm

bigford632 wrote:Lem / Philip,

What adjusting nuts did you guys use for the AFR / Jomar stud girdle on this build? The AFR information online is horrible for these and half of their links are broken!

Thanks,
Butch

The bars came from AFR but, the adj. nuts were not included......the 2.200" Jomar units we had in stock at BF Evans Ford were used. Worked great. We'd be glad to help you with any part of your AFR needs.

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Post  bigford632 March 11th 2018, 9:09 am

Lem Evans wrote:
bigford632 wrote:Lem / Philip,

What adjusting nuts did you guys use for the AFR / Jomar stud girdle on this build? The AFR information online is horrible for these and half of their links are broken!

Thanks,
Butch

The bars came from AFR but, the adj. nuts were not included......the 2.200" Jomar units we had in stock at BF Evans Ford were used. Worked great. We'd be glad to help you with any part of your AFR needs.

Thanks Lem I'll give you guys a call tomorrow much appreciated.

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Post  Lem Evans June 29th 2018, 5:48 pm

bigford632 wrote:
Lem Evans wrote:AFR BBF Head - Page 11 Img_0010

Considering the oil pressure....who can correctly guess the inches of Hg the vacuum pump was producing?

I'll take a stab in the dark and say it's a trick question and there was no vacuum pump.

Shocked

15" Hg and still had ~75 psi.

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Post  bigford632 October 5th 2018, 3:37 pm

Lem Evans wrote:
bigford632 wrote:
Lem Evans wrote:AFR BBF Head - Page 11 Img_0010

Considering the oil pressure....who can correctly guess the inches of Hg the vacuum pump was producing?

I'll take a stab in the dark and say it's a trick question and there was no vacuum pump.

Shocked

15" Hg and still had ~75 psi.

Lem what oil pump did you use in this build the Kaase pump?

Thanks,
Butch

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Post  Lem Evans October 5th 2018, 4:54 pm

Yes.

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Post  bigford632 October 16th 2018, 6:39 am

Lem Evans wrote:AFR BBF Head - Page 11 Afr_210
AFR BBF Head - Page 11 Afr_110
AFR BBF Head - Page 11 Afr_410

AFR deal with custom dome.

Just noticed the massive hole in the front of this block do you guys put that there for oil drain back? I have seen them drilled in the front but they were only maybe 1/2"?

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Post  Lem Evans October 16th 2018, 9:49 am

It's just a matter of how big of a hole saw you pick up. Smile

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Post  nascar429 November 2nd 2018, 9:21 am

Lem Evans wrote:AFR BBF Head - Page 11 588afr10
                                                                                                                                                                                                                                   Lem

 What style rocker arms are those and what ratio?    

Great.. straight forward build well done.

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