225 Redhead!

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Jim Kueneman

Jim Kueneman

FABO Gold Member
FABO Gold Member
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Sonoita, Az
Should be picking her up Friday! Shaved enough to get flat (0.010), oversized valves (1.7", 1.44") and the lip under the valve machined away (Dutra simple street porting). Block decked 0.060 with an NOS 0.022" steel headgasket. 54.5cc heads so about 8.8:1. Oregon Cams 2106 that was degreed in (absolute necessity as the dot was not right).

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You gotta degree cams from non-common consumer companies! 13 degrees advanced with the dots at their best alignment... would not have been good says the simulator!

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That seems to be out a boatload on the timing. Did they double check that?
 
RustyRatRod said:
That seems to be out a boatload on the timing. Did they double check that?
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Triple checked. It is within 1 degree of the cam sheet at 0.050" lift on both ends. Oregon Cams would not say how accurate the dowel would be all they would say is degree it.
 
RustyRatRod said:
Well, the ROLLMASTER timing set I recently set up was the same way. It was mismarked badly.
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We got lucky. It would not line up well at all and just buy going 1 tooth retarded from the "as close as you could get it" point it put it within the 1 degree. We had another set coming from just in case but left it here.
 
Jim Kueneman said:
We got lucky. It would not line up well at all and just buy going 1 tooth retarded from the "as close as you could get it" point it put it within the 1 degree. We had another set coming from just in case but left it here.
Click to expand...

Mine was similar. No matter what I did, it would not line up. I thought I was losing it. lol Then it occurred to me "hay stupid, it might be marked wrong" and it was. lol
 
No matter what cam, chain, or engine always degree the cam. Far, far too many things could be off.
 
Nice job! Looks like mine about 4 yrs ago.
You're gonna love it.
 
Testarossa means Redhead in Italian.

I've never seen someone sleeve a slant 6. I thought they had ultra mega thick walls and could go like 0.080 over?
 
jos51700 said:
Testarossa means Redhead in Italian.

I've never seen someone sleeve a slant 6. I thought they had ultra mega thick walls and could go like 0.080 over?
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There were pits that got bigger the more we bored it. Looked like casting air pockets.
 
I had a slant sleeved, at one time. Had a set of .030 forged pistons on hand. One cyl had a gouge that wouldn't clean up at .030 was cheaper to sleeve one cyl and use what I had, then bore another block, or buy new pistons. Also saved one .030 over motor, by boring three cyls .060 over.
 
Do the valve seats need to be hardened in these older heads if one is planning to run unleaded pump gas? Another question, this may not be true, need clarification, heads with spark plug cups were earlier years-non hardened valve seats, then when the head changed to the closed spark plug pocket, those were early '70's and had hardened valve seats, any truth to it or maybe the change did not coinside with the hardened/non-hardened valve seats.
 
So clean!!!!!!!!! I would recommend adding some manifold heat under the intake, or you might have a bog. I got mine from Frank came with fittings aluminum plate, just need to splice into one heater hose.
 
Having the fuel the same temperature as your cooling system is as good as it gets. The stock exhaust manifold heat also works but on an aluminum intake it becomes a *****.

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