548 CI BBC Advice

General engine tech -- Drag Racing to Circle Track

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CamKing
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Re: 548 CI BBC Advice

Post by CamKing » Wed Mar 29, 2017 10:03 am

cstraub wrote:With the oiling issues this thing has the dyno sheet is a mute point.
Especially with hydraulic lifters.
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Re: 548 CI BBC Advice

Post by TBART1970 » Wed Mar 29, 2017 6:44 pm

Different intake on the dyno, dyno distributor, standard volume Moroso pump and standard shaft. Other than the valve adjustment, nothing was really wrong on the dyno. Oil filter from dyno runs was cut open and there was not much in there, not until I put it in the car did the problems start.

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Re: 548 CI BBC Advice

Post by FC-Pilot » Wed Mar 29, 2017 9:03 pm

TBART1970 wrote:Different intake on the dyno, dyno distributor, standard volume Moroso pump and standard shaft. Other than the valve adjustment, nothing was really wrong on the dyno. Oil filter from dyno runs was cut open and there was not much in there, not until I put it in the car did the problems start.
Had the same issue with a customers engine. After talking it over for an hour or so, I asked what filter he put on. He said Fram. I told him to go and get a K&N and call me back before he fired it again. 20 minutes later I got a call from him and I told him to fire it. Immediately had full pressure and never so much as bobbled from that day on.

I am just asking as a sanity check.

Paul
"The latest tests prove exactly what my money tells them to prove".

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Re: 548 CI BBC Advice

Post by S10LS2 » Wed Mar 29, 2017 9:28 pm

cstraub wrote:This things does not need cams thrown at it ......it needs the issues that it has fixed. The oil contamination being the number 1. It seems that the distributor gear issue has been addressed.
Thank you.

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Re: 548 CI BBC Advice

Post by S10LS2 » Wed Mar 29, 2017 9:37 pm

Newold1 wrote:I agree, this engine had some mechanical issues that probably affected time for adjustments and fine tuning but it achieved a result that was maybe just a little short of the OP's original expectation. The OP came on here asking for a little advise on camming, not asking for a pick a part of the entire build. Obviously per Mr. Vizard's concise and proven methods somethings could have been improved with ideal parts and rework but this OP is not looking for that at this point and he is just trying to get back to the dyno with some cam change and optimize what he has. Let's not over critique or analyse this situation here. I think all of us should just convey the idea to all new members here on Speedtalk that they should use and listen to good knowlgeable peers here and that the time to collect information and discuss choices and expectations is before they start choosing and buying parts and building their engines!!

I'll say it again " plan your work and then work your plan!"
:roll: Says the guy with 4or 5 posts at least 5 paragraphs long. Didnt know the manifold, throttlebody, head flows, and most of the major info needed. Yet made many posts on how wrong everything was. All while calling the op a newbie to the speedtalk ways.. I can call you a newbie as well, because when you post as much as you do without asking the correct questions before you post an answer, that is long and drawn out, yet says not much. But he should change cams again. No head info till page 4 no induction info till page 4 or 5. Dont even know what the exhaust is. Sit back newold1 and let the non newbie engine guys help this fella sort his engine out. It did not seem to me that op was looking for as much cam and other advice as you gave him in his first post. Seems like he had more important issues than if another camshaft is going to get him what he needs.. Sort out the basics first and the engine will make him more than happy for a while instead of suggesting more cam swaps.

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Re: 548 CI BBC Advice

Post by S10LS2 » Wed Mar 29, 2017 9:47 pm

And now we have the big guy here telling him what he will make for power down to the tenth of a horsepower, lol.. Big guy is not much help fixing the real problem with setting up the lifters and oiling issues and such. As much as advertising . Op work with straub he will try his best to set you right, and figure out your issues to the best of his abilities.

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Re: 548 CI BBC Advice

Post by TBART1970 » Wed Mar 29, 2017 10:00 pm

FC-Pilot wrote:
TBART1970 wrote:Different intake on the dyno, dyno distributor, standard volume Moroso pump and standard shaft. Other than the valve adjustment, nothing was really wrong on the dyno. Oil filter from dyno runs was cut open and there was not much in there, not until I put it in the car did the problems start.
Had the same issue with a customers engine. After talking it over for an hour or so, I asked what filter he put on. He said Fram. I told him to go and get a K&N and call me back before he fired it again. 20 minutes later I got a call from him and I told him to fire it. Immediately had full pressure and never so much as bobbled from that day on.

I am just asking as a sanity check.

Paul
Wix race filter

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Re: 548 CI BBC Advice

Post by Warp Speed » Thu Mar 30, 2017 5:38 am

S10LS2 wrote:And now we have the big guy here telling him what he will make for power down to the tenth of a horsepower, lol.. Big guy is not much help fixing the real problem with setting up the lifters and oiling issues and such. As much as advertising . Op work with straub he will try his best to set you right, and figure out your issues to the best of his abilities.
=D>

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Re: 548 CI BBC Advice

Post by FC-Pilot » Thu Mar 30, 2017 3:24 pm

TBART1970 wrote: Wix race filter
Great, just wanted to keep you from going down the same road my guy did. (Sorry if it was already addressed).

Paul
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Re: 548 CI BBC Advice

Post by TBART1970 » Thu Mar 30, 2017 8:23 pm

FC-Pilot wrote:
TBART1970 wrote: Wix race filter
Great, just wanted to keep you from going down the same road my guy did. (Sorry if it was already addressed).

Paul
Never hurts to ask.

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Re: 548 CI BBC Advice

Post by David Vizard » Fri Mar 31, 2017 4:33 pm

statsystems wrote:
digger wrote:What about hemi ?
IDK...guess DV will need to chime in.
Have not got the experience with hemi's other than porting a few heads a ways back.
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Re: 548 CI BBC Advice

Post by David Vizard » Fri Mar 31, 2017 4:47 pm

TBART1970,

As so many have stated it seems like you have more problems here than just the heads I have been talking about. Although the heads, if you are hoping for a really good build, will be an issue it won't be at the moment because of all the other stuff going on. For now I will post the cylinder head stuff on my 572 thread as that has stalled due to being here. If you need anything in the way of specs to get results PM me.

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Re: 548 CI BBC Advice

Post by TBART1970 » Tue May 16, 2017 12:35 pm

Sent heads to get flowed with the intake. Decked, valve job and maybe​ port work.

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Re: 548 CI BBC Advice

Post by Newold1 » Tue May 16, 2017 4:30 pm

Have you identified and fixed the oiling issues yet?

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Re: 548 CI BBC Advice

Post by TBART1970 » Tue May 16, 2017 5:19 pm

Distributor not in far enough.

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