Author Topic: clevland heads on a small block windsor. (Read 5792 times)

BLKPNY · « **Reply #25 on:** August 14, 2010, 08:12:50 am »

I'm with Frank, no-one messes about with original Iron castings nowadays. By the time you freshen up those heads, ready to use, you'd be close to having Franks heads sitting on your loungeroom floor.

Those 302 CC heads will probably need new seats and guides, proper valves, springs, retainers & locks, facing and maching down the pedestals to accept roller rockers (assuming you run them). If you already have them, you will need new ones.
You will need pushrods, rocker covers, extractors, manifold, and head bolts/studs.

Franks heads will need and off the shelf manifold, your extractors will do, your rocker covers will fit, your roller rockers will fit (if you have them), etc etc.

A friend has just pulled a 302 Boss out of a 65 he bought, so they do fit. This thing had huge primaries, maybe 2", with full crossover extractors (where the collectors are done in firing order, which means a couple from the opposite side etc... rare stuff indead.

stormin · « **Reply #26 on:** August 14, 2010, 08:18:54 am »

Chris67
Who did u send the u2u too?
Stormin

shaunp · « **Reply #27 on:** August 14, 2010, 11:54:49 am »

What was wrong with the other engine? It would have done stuff all work, I bet you never even got it jetted and timed correctly before you pulled it out. It was fresh bottom end why not slide a roller cam and some new heads on it and get it set up correctly.

shelby_mustro · « **Reply #28 on:** August 14, 2010, 12:44:48 pm »

shaun there is nothing wrong with my 289 I just want more power. I have 2 windsor blocks and the rods & crank for a 347 stroker motor at home. so I was thinking about putting this motor together over the next year or so.... I was pretty much out of ideas with the 289 motor to get more power with it.

chris67 · « **Reply #29 on:** August 14, 2010, 12:46:06 pm »

Quote from: stormin link=topic=11841.msg125300#msg125300

Chris67
Who did u send the u2u too?
Stormin

i sent it to shelby_mustro

shaunp · « **Reply #30 on:** August 14, 2010, 01:10:08 pm »

Quote from: shelby_mustro link=topic=11841.msg125315#msg125315

shaun there is nothing wrong with my 289 I just want more power. I have 2 windsor blocks and the rods & crank for a 347 stroker motor at home. so I was thinking about putting this motor together over the next year or so.... I was pretty much out of ideas with the 289 motor to get more power with it.

Did you ever get it tuned properly? I mean really properly to make sure the advance curve an jeting is spot on, there could be 30hp just in tweaking. You also have a 5 speed now, so drop the diff ratio that will make go better off the line. You can't just take bitts out of the box like carbs,& distributors and bolt them on, not if you want it right anyway. That's all I'm saying, you could have HP that you haven't realised yet. You could buy some heads, run them on the 289 and then swap them to the new engine later.

eri67 · « **Reply #31 on:** August 14, 2010, 01:21:16 pm »

Quote from: shaunp link=topic=11841.msg125318#msg125318

Quote from: shelby_mustro link=topic=11841.msg125315#msg125315
shaun there is nothing wrong with my 289 I just want more power. I have 2 windsor blocks and the rods & crank for a 347 stroker motor at home. so I was thinking about putting this motor together over the next year or so.... I was pretty much out of ideas with the 289 motor to get more power with it.

Did you ever get it tuned properly? I mean really properly to make sure the advance curve an jeting is spot on, there could be 30hp just in tweaking. You also have a 5 speed now, so drop the diff ratio that will make go better off the line. You can't just take bitts out of the box like carbs,& distributors and bolt them on, not if you want it right anyway. That's all I'm saying, you could have HP that you haven't realised yet. You could buy some heads, run them on the 289 and then swap them to the new engine later.

Very good advice Shaun

shelby_mustro · « **Reply #32 on:** August 14, 2010, 01:44:14 pm »

Yes I did I payed someone to do it for me. They set it at 10 degrese from memory. And as for the diff it has 32.5 centers so I thought that would already be good for that t5 box

derwin66 · « **Reply #33 on:** August 14, 2010, 03:57:43 pm »

Gears should be 3.55 or better with a T5 I would say. I run 3.55 with a C4 and it gives it punch off the line but revs a little high for my liking on the freeway. Thats why I bought a gear vendors unit and it should make those gears real nice off the line and cruising down the freeway.

boofhead · « **Reply #34 on:** August 14, 2010, 04:47:45 pm »

I can understand wanting to do a boss engine clone. Been there. I think it is simply not worth the effort when good after markets alloy heads are around. My 5 cents worth.

shaunp · « **Reply #35 on:** August 14, 2010, 06:39:29 pm »

Quote from: shelby_mustro link=topic=11841.msg125321#msg125321

Yes I did I payed someone to do it for me. They set it at 10 degrese from memory. And as for the diff it has 32.5 centers so I thought that would already be good for that t5 box

No I meant alter the curve and jet the carb correctly, not just turn the dissy so it sounds ok, there is a big differance, and you could find a go few hp.

BLKPNY · « **Reply #36 on:** August 14, 2010, 07:51:51 pm »

Quote from: derwin66 link=topic=11841.msg125401#msg125401

Gears should be 3.55 or better with a T5 I would say. I run 3.55 with a C4 and it gives it punch off the line but revs a little high for my liking on the freeway. Thats why I bought a gear vendors unit and it should make those gears real nice off the line and cruising down the freeway.

Thats the problem with these cars, you can't fit a decent height tyre on them. I'd love to put some 28" tall tyres on it, to make my 3.50's nice on the highway, or make the proposed 4.11's more bearable.

Lewy47 · « **Reply #37 on:** August 16, 2010, 01:25:34 pm »

I've got a Clevor in my '66. Built by previous owner probably 15 years ago now. It has a Street Boss manifold which I think are pretty hard to find these days although Edelbrock have started making similar manifolds. They did lose popularity once lighter and better designed heads started hitting the market but my understanding is that they have made a bit of a resurgence after successes at horsepower comps in the states. Perhaps not worth the hassle for many but if you are after a few extra HP then maybe worth a look. Mine is just backed by a shift kitted C4, heavy duty tail shaft and into a Detroit Locker 9 inch with 4.11s.
I'd build a Clevor, why not?

jbrucem1 · « **Reply #38 on:** August 16, 2010, 07:17:38 pm »

i think shelby_mustro is looking for a relatively inexpensive package, and by the time you modify clevo heads and buy a boss style manifold a good set of alloy heads would be cheaper for similar power figures - from what i gather..

stormin · « **Reply #39 on:** August 16, 2010, 08:44:56 pm »

I'm just putting a 347 in my latest creation .Left it dead stock except for a mild roller cam, alloy heads and extractors and got over 50% more torque and HP over a 302 . Got a T5 behind it and 2:79 diff. Just a cruiser with a bit of grunt. Will never see a track whilst I have her but I had it pro built and won't take much for a big increase in power if I ever want it. Definitely way ahead of a clevor.
Stormin

shelby_mustro · « **Reply #40 on:** August 17, 2010, 01:21:36 am »

Humm it's alot to think about at the end of the day I just want somthing that is going to work well with this stroker kit.

Frank70 · « **Reply #41 on:** August 17, 2010, 08:12:34 am »

Figure out which combo will flow more air , then look at costs and ease of fitment.

I think the alloy heads will come out on top. Nothing wrong with the Clevo setup mind you - I just think that a decent set of alloy heads is less hassle etc.

My 2c.

Cheers,
Frank.

clevland heads on a small block windsor.

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Author Topic: clevland heads on a small block windsor. (Read 5792 times)