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552 Motorsport A460 build

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Post  bbfguy1 October 27th 2020, 9:27 am

First off, I must say what pleasure dealing the Charlie, Lem and Adney Brown. This project has gone so smoothly having them involved. I can't recommend enough their services.

Charlie has completed the heads and shipped both back already and Lem has already delivered the cam and intake. Currently bottom end parts, are with our machine shop and in process.


This car will be driven 80% on the street but we need it be a beast at the track, when the time comes. We can straddle that line between tame enough for the street and almost too racy for the street.


What do you think about this build, as far as HP capability and how you think it will perform? We are hoping it will make mid to high 700 and be somewhat street able on 93 pump. It's being built as driver to been seen on the street, but put to full use at the track.

Thanks for any feedback!



Bore 4.420 * Stroke 4.500

Eagle 6.700 rods (ARP 2000)

Scat 4340 4.500 crank (Adney Brown)

D1VE Thick main web block with 4 bolt Milodon caps, bushed pass side lifter bores

Keith Black ICON IC-954 Dish 2618 Pistons, 10.9:1 with 83cc compression ratio. (Our compression a tad lower with 86cc chambers. May use small plate nitrous kit. No more than 250, but more of a N/A engine than nitrous engine)

Total Seal CR ring set 4.425

New (vintage 1993) Ford Motorsport A460 heads 2.300/1.880, 86cc chambers (Fully ported by Charlie Evans)
Flow #'s 45 degree on both intake and exhaust no test pipe
I .500 425
I .600 429
I .700 428
I .800 426

E .500 312
E .600 312
E .700 317
E .800 318


Ford Motorsport ported A460 Intake Manifold (Lem Evans)

Cam: CC Tight Lash solid roller, 264/274@.050 , .715/.715, 111 lsa (Lem Evans custom specs )

Transmission: Built TH 400, t-brake, w/JW Bell

Converter: Unknown at the moment

Rear Gears: 4.10:1 (currently 28” tire)

Car: 1989 Mustang GT Street Car (approx. weight with driver 3400 lbs) full body car, nothing stripped, only roll cage added and suspension work done.


bbfguy1

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Join date : 2009-09-14

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Post  Dave De October 27th 2020, 9:08 pm

What carb?
A nine second bracket car.
I like this and you got the best doing the work behind you.
Dave De
Dave De

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Location : Highland, MI

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Post  bbfguy1 October 28th 2020, 1:46 pm

Let me make a correction with flow #'s. When transferring from paper to my fingers, I did not use the correct valve lifts. I used the individual port #'s and moved across the flow sheet. My apologies. The correct #'s are below.

I .200 153
I .300 232
I .400 296
I .500 347.6
I .600 387
I .700 415
I .800 425.8

E .200 114.6
E .300 155
E .400 205.4
E .500 249
E .600 283
E .700 304
E .800 314.8


bbfguy1

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Post  bbfguy1 October 28th 2020, 2:03 pm

No carb or no convertor yet. Bottom end machining is still in progress, so we still have some time for those decisions, but will definitely be some type of dominator. We're at the point now, where we need to get roller lifters, so the bushings can be honed. Our machine shop here in Houston, is recommending Isky roller lifters. What do you guys say; good, bad or otherwise with BBF solid roller lifters? Has anyone used solid rollers in a similar street application, that can recommend or advise? I've used Crane in the last two solid roller engines with no issues, but those where 100% track only engines, and those lifters are available anymore. This engine will see a moderate about of street driving and we hope to get the best lifter for longevity, even though we will keep a CLOSE eye on them no matter what they are.

bbfguy1

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Post  Dave De October 29th 2020, 1:21 pm

bbfguy1 wrote:No carb or no convertor yet. Bottom end machining is still in progress, so we still have some time for those decisions, but will definitely be some type of dominator. We're at the point now, where we need to get roller lifters, so the bushings can be honed. Our machine shop here in Houston, is recommending Isky roller lifters. What do you guys say; good, bad or otherwise with BBF solid roller lifters? Has anyone used solid rollers in a similar street application, that can recommend or advise? I've used Crane in the last two solid roller engines with no issues, but those where 100% track only engines, and those lifters are available anymore. This engine will see a moderate about of street driving and we hope to get the best lifter for longevity, even though we will keep a CLOSE eye on them no matter what they are.

Ive heard good things about Isky rollers. My experience with Comps EndurX and Morels has not worked out well. Right now I'm running BAM's that are bushed. They are only one season old. I've also gone to a Jones cam that only needs 550 pounds over the nose in an effort to keep the lifters alive. Previous loads were 800 pounds. Mike Jones is popular in the roundy round applications so if you're looking for longevity over all out performance check him out. It looks like I didnt lose anything with my cam change from my quarter mile comparison. It's also nice to go back to aluminum rockers.
I do drive it on the street. It goes 9.0's at 149 and spin it to 7,000.
Dave De
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Post  Lem Evans October 29th 2020, 10:32 pm

I have a fresh batch of BAM on the way.

Lem Evans

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http://bfevansraceparts.com

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Post  nascar429 October 30th 2020, 7:41 am

Lem Evans wrote:I have a fresh batch of BAM on the way.


Hey Lem ..I'm thinking there isn't a BAM  (Z Bar) solid roller lifter for us Boss Nine guys yet..? Neutral

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Post  Lem Evans October 30th 2020, 11:03 am

nascar429 wrote:
Lem Evans wrote:I have a fresh batch of BAM on the way.


Hey Lem ..I'm thinking there isn't a BAM  (Z Bar) solid roller lifter for us Boss Nine guys yet..?   Neutral

I do not see a Z bar unit in their price list.

Lem Evans

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Post  bbfguy1 October 30th 2020, 4:37 pm

I did speak with guy over at BAM earlier this week, and he gave me this part#, 2010-16-BB1. Lem, are these the batch you have on the way? If so, the guy at BAM said to get with you for pricing. I also spoke with the guys over at Isky, about their solid bushing lifters, part# 3172RHEZMAX. These are $1,352.99 through one of the big box hi-po stores.

I know BAM is fairly new to the market and I've never used Isky anything. It's highly possible this engine could see 40+ miles in a day, on certain weekends. We're in South Texas, so winter is our time to really be out and riding. We just want a good durable reliable lifter. Again, they will get regular inspection no matter what they are. Lem, I will PM you about the BAM's.

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Post  bbfguy1 November 26th 2020, 10:55 am

Got a set of bushed BAM's (2010-16-BB1) on the way from Lem Evans. It's probably more lifter than we need but after talking with several BAM users, and Brad over a BAM, I am confident they will be a durable lifter for our application. We are a about 240 ish on the seat and 625 open; give or take with PAC 1243 springs.

bbfguy1

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Post  Fordaholic495 December 23rd 2020, 1:48 pm

I think you are right on the money with your HP goal of mid 700's. This is a very similar build to mine with less compression, slightly less camshaft and I'm running AFR 315's which flow roughly the same-ish. Made 796HP at 6200 RPM. It was a riot in my 78 Bronco so in a car that should be a lot of fun.

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Post  bbfguy1 December 28th 2020, 10:26 am

If this engine makes in the 750-775 range, we will be delighted with it. We kept the compression conservative for 93 pump, and are using good valve train parts for reliability. This engine will see a fair amount of street use.

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