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The Turbo Super Duty Build. (Page 62/63) |
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GTaylor
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AUG 27, 08:25 PM
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A buddy had an Iron Duke AMC Spirit dirt track car that i helped develop/build the engine. He bought an aluminum SD head from Jegs that was fully ported (probably too ported for dirttrack), some 6" C&A aluminum small journal small block rods (7), Diamond pistons, Ultradyne cam, Crane rockers, Edelbrock intake. A local machine shop narrowed the big end of rods by .077" from memory to match the Duke stock crank. When scrounging for bearings, only place that would make a set wanted $200.00 just for cutting the width of "stock" SB rod bearings. I made a mandrel out of a PVC fitting with a freeze plug in one end to stiffen it to clamp the bearings to with a hose clamp. Cut .030" off one side & .045 off other in lathe. Radiused inner edge of bearing using edge of a file. Took less than an hour to make tooling and do a set of bearings. We originally had serious oiling issues till a competitor told us to see if the oil filter bypass valve had been pushed into the oil galley. BINGO! Removed and plugged hole then used a different oil filter with bypass built in.
It never ran to full potential IMO due to his choice to use BB Chevy rockers (1.72?) instead of the rec 1.55 ratio. It sounded sweet though...so i am very interested in seeing this get done. Money is always an issue. How fast can you afford to go?
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edfiero
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OCT 14, 10:47 AM
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dratts
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DEC 03, 12:19 PM
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quote | Originally posted by FastIndyFiero:
So. Anybody know of the best place to score an F40 with the correct bellhousing? |
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I have two of them. Both zero hours.
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edfiero
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MAY 23, 03:58 PM
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6 months with no activity? Ready to put a fork in this yet?
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FastIndyFiero
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JUL 10, 01:49 PM
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Looks like Photobucket finally bit the dust on free hosting. I'll have to go through all the old posts and relink = /
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ericjon262
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JUL 10, 10:57 PM
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quote | Originally posted by FastIndyFiero:
Looks like Photobucket finally bit the dust on free hosting. I'll have to go through all the old posts and relink = / |
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I'm in the same boat, makes my stomach turn thinking about it. I have been downloading all of the pictures I had on there, and I'm going to delete my account. I'd be willing to pay a reasonable amount, but they want $500 per year to host them...
------------------ "I am not what you so glibly call to be a civilized man. I have broken with society for reasons which I alone am able to appreciate. I am therefore not subject to it's stupid laws, and I ask you to never allude to them in my presence again."
"The day I tried to live, I stole a thousand beggars' change and gave it to the rich." http://www.fiero.nl/forum/Forum2/HTML/119122.html[This message has been edited by ericjon262 (edited 07-10-2017).]
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michaelmount123
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MAY 23, 04:01 PM
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Steel
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JUN 06, 08:22 AM
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Thanks for sharing Michael, I've never seen such a clean representation of this setup before. A highly modified SD4 by 'FieroSound' is my all time favorite.. I hope to see that car in person one day.
Does anyone know if the Original thread poster 'FastIndyFiero' is still working on this project?
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FastIndyFiero
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JUN 11, 01:22 PM
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quote | Originally posted by michaelmount123:
I acquired a 3L Cosworth SD4 years ago to use in a Bonneville Land Speed Record Car. It was one of the 3L IMSA engines for the Pontiac backed Fiero effort (really a Spice chassis). I freshened it, built mounts for it and fabricated the headers.
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Wow Mike! I'm excited to see another one of these built. You're definitely the right person for it. Is KRP still producing new blocks? What size head studs did you use?
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michaelmount123
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JUL 23, 01:14 PM
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As far as I know, KRP is not making blocks. Surely a low demand issue. We got a new one along with the Cosworth kit, and a GM SD block as well.
I used the head bolts that are part of the Cosworth conversion kit. I think they were 12mm, but not sure. Torque was 80 ft. lbs. I expect to run fairly low boost, so not concerned with head lift at the moment.
MM
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