Motor Build

[Cobrafang]

Ok so here are the components and pics.

New BOSS 302 Block.
327 Stroker kit from Keith Craft all Forged, internally balanced
Aluminum flywheel
Heads are Alan Root, prototypes to the J302s of the late 80s (ported nicely)
Intake is an Edlebrock predecessor to RPM. All port matched with the heads.
COMP CAM that will make max HP at about 5800 RPM. So pretty mild but that is what I wanted for my B+ motor.
Race 750 Holley

I wanted to get it dyno'd prior to Sebring but ran out of time so we gonna stay conservative on the timing and run it little rich. We will get a good dyno tune after the exhaust work is done after Sebring.

Enjoy. (gonna have Eric posts the pics)

[PanozDuke]

Since this was sort of a group project, I'll add some info intake is F4B dual plane that had the runners welded to raise them and enlarge them significantly to match the porting on the worked over AR heads. The intake and heads are vintage pieces that were extensively modified in the late 80's to overcome design limitations back when there wasn't much to choose from for small block Fords. The hand work on these is pure old school and should prove to be comparable to the current stuff. The roller rockers are Comp Cams Pro Magnum 1.6 stainless, all the head components are Crane, the cam is actually a vintage Engle hydraulic roller that has .533 lift on both sides with duration and overlap designed for peak power at 5800 and max torque from 3000 to 5500, fat and flat on pump gas. The concept is corner off grunt with loads of longevity. It is going to need the Kel designed 8 into 1 equal length header and exhaust system to reach it's potential- coming later to a track near you. Since Tom is going from the 5.0 GTRA motor with a 650 and Performer intake, it should be a bump of about 100 hp minimum even before the tune and exhaust work. Going to Sebring first weekend in March to see and hear it run

Mike

[David Eastman]

Congrats on the new motor. Keep us posted on how it does.

David

[eric1h]

i'll be posting pics shortly...

[eric1h]

CAR PORN!!







Here is the rest of them...

http://www.extremespeedonline.com/ga..._itemId=108515

[NZGTRA17]

Originally Posted by Cobrafang

Ok so here are the components and pics.

New BOSS 302 Block.
327 Stroker kit from Keith Craft all Forged, internally balanced
Aluminum flywheel
Heads are Alan Root, prototypes to the J302s of the late 80s (ported nicely)
Intake is an Edlebrock predecessor to RPM. All port matched with the heads.
COMP CAM that will make max HP at about 5800 RPM. So pretty mild but that is what I wanted for my B+ motor.
Race 750 Holley

I wanted to get it dyno'd prior to Sebring but ran out of time so we gonna stay conservative on the timing and run it little rich. We will get a good dyno tune after the exhaust work is done after Sebring.

Enjoy. (gonna have Eric posts the pics)

Awesome, look forward to hearing how it all goes. The bottom end should be pretty stout and capable of 7500 rpm+ if you wanted to lean on it in future. Is the crank a forged Eagle peice? Did Keith Craft do the balancing, machining and block prep? I have used Keith to source all of my 5.0 upgrade parts to date and found he and his team to be very helpful.

I just got my 347 started for the first time last night so will post some info on this when I have had it dynoed which should be in the next week or so. Will baseline it on the dyno against the modded 5.0 and then will hit the track and do some back to back testing on the track that we did the 6 hour on with the 5.0.

Hope Sebring goes well, dont forget to do a "plug colour" test run first up before you lean on the engine.

Kel

[Cobrafang]

Kel,

Thanks for the advice. I got to hear it today. I like it, it is loud and purrs like a kitten and I am sure it will roar as well.

All the components are forged. Eagle crank and rods.

More to follow.

[jmimac351]

What event are you doing at Sebring?

[Cobrafang]

Originally Posted by jmimac351

What event are you doing at Sebring?

http://www.hsrrace.com/

On the home page baby!!!! YEA HA!

[panozracing]

do you w2w in HSR?

What class is the panoz C15?

Is there competition for the panoz like cup cars and vipers?

I have never looked at HSR and need the scoop!

[Cobrafang]

Originally Posted by panozracing

do you w2w in HSR?

What class is the panoz C15?

Is there competition for the panoz like cup cars and vipers?

I have never looked at HSR and need the scoop!

Yes it is W2W which always makes me nervous. Last Dec was my first time to do anything like that and well I love it. But I am a NOOB!.

I am not sure where the GTS would fall out in terms of classes because of the slicks. There is no series for them. They do have a ex NASCAR group and they are starting a Cayman series. There are many porsches in HSR and I am sure you would be in the middle of them. As near as I can tell they try to group cars well in terms of performance and time. I am in GT5x becuase I have a GTRA with DOT type track tires.

Check the site for rules and such.

The folks here are great and the racing is pretty darn clean.

I am also going to do SVRA which is a sister group with HSR but more of a stickler to historically correctness I think.

http://www.hsrrace.com/

v/r

[Cobrafang]

Ok NOW THE REST of the story.

After not having enough time to really dyno tune the carb and chasing the right jetting with old school techniques we got it very drivable and felt really good. We were taking all precautions to be conservative given that we did not have any dyno time.

So the car was doing very well and I loved the extra power. I turned a personal best time of 2:34.3 at Sebring during a 8 lap race Friday night. Before my best time was 2:42 with the stock motor.

Saturday morning in the first race after about 5 laps of an 7 lap race the motor quit on me. I thought I had just thrown the serp belt. Because the only indication something weird was going on was the steering became rough and the motor quit...

After checking the car over we found that the dampner was wiggling. So me thinks the forged crank let go. I never rev'd the motor over 6 once we felt it was broke in.

I will let everyone know what we find out when it gets torn apart. Devin I feel you buddy.

More to follow.

v/r
Tom

[eric1h]

NOOOOOOOoooooooooo, say it aint so? Are these Panoz cursed lately?

Were you running the "stock Panoz oil pan?

Did panoz do anything to the pans to add more baffling?

[eric1h]

Could the dampener just be loose? I have torn up a few keys on other motors in my day and caused issues with the crank sensors...

[Cobrafang]

I won't know anything about the key and such until we tear the motor down.

I will say this...when we tried to take the crank bolt out we could not even using a breaker bar and a floor jack handle as the cheater bar. WE would hve broke a socket first.

I was using the stock pan.

v/r
Tom