My 347 stroker build

5926 Views 46 Replies 9 Participants Last post by Pearson88GT, Jun 27, 2011

JMertins

Discussion Starter · Apr 28, 2011

I started tearing the old motor apart about a month ago to sell everything i wasnt going to re-use so i could finally start moving forward on my 347. I purchased the car last August from the original owner who heavily documented the car since day one (i even have the original dealer window tag

) I had planned on a stroker build since i bought the car and am finally getting a little bit closer now. Im still about 2 months out from being finished but i figured i would start a thread now and update it as i make progress. Heres the specs on the motor:

seasoned 302 block bored .030 over
rotating assembly from Coast high performance( pistons/crank are probe rods are RPM
TFS 190cc heads
TFS 1.6 roller rockers
FTI custom grind cam
TFS Track heat upper and lower manifolds
75mm throttle body/egr housing
FRPP 24lb injectors ( for now)
MAC cold air
FRPP shorty headers ( long tubes with bigger primaries are in the future).
28oz flywheel/balancer

That about covers the engine itself. The only parts i havent gotten yet are the cam/ pushrods ( which i will be getting next month) so after that its mostly gaskets and other misc stuff. Anyways here and some pics of where im at right now. The short block is assembled and once i decide on what headgaskets to go with ill throw the heads on and continue to assemble from there.

1 - 20 of 47 Posts

JMertins

Discussion Starter · #2 · Apr 28, 2011

well it seems im having issues uploading pics directly to the site so ill attach some links instead. hopfully they work for you guys, if not ill try uploading them again tomorrow.

What i started with
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1101.jpg

teardown
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1103.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1109.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1116.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1130.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1134.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1136.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1139.jpg

paint/prep of the block after machining
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1089.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1059.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1058.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1088.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1090.jpg

and short block assembled
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1095.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1097.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1096.jpg

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jcardoso91LX

· #3 · Apr 28, 2011

looking real goood so far. you scored on all the top end stuff already coming with the car.:bigthumbsup

JMertins

Discussion Starter · #4 · Apr 28, 2011

jcardoso91LX said:
looking real goood so far. you scored on all the top end stuff already coming with the car.:bigthumbsup

actually i bought the TFS track heat kit right after i bought the car and only put roughly 2k miles on everything. i should have held off on buying that kit since ive sold everything from that set up except for the upper/lower intake and rockers haha.

347Vert

· #5 · Apr 28, 2011

Get those minimum #30 pounders and 1 3/4" LT headers right away. You will save yourself a few knuckle scraps and profane words trying to switch headers once the engine is in the car. Substantial gains with LTH over shorties. Listen to any of FTI Ed Curtis's recommendations.

Smurf stang

· #6 · Apr 28, 2011

I got a similar setup except I got a Jay Allen cam and my heads were ported and open up quite a bit and were flowing if I remember correctly like 309/226 @ 600. I cleaned up the lower intake some and had to open the TB opening cause mine was like 73mm.

I kinda ran outta money so I have 1 5/8 lt headers and trying to find time to install and tune with the quaterhorse I got here staring at me. Good luck:bigthumbsup:bigthumbsup

302Feen

· #7 · Apr 28, 2011

Smurf stang said:
I got a similar setup except I got a Jay Allen cam and my heads were ported and open up quite a bit and were flowing if I remember correctly like 309/226 @ 600. I cleaned up the lower intake some and had to open the TB opening cause mine was like 73mm.

I kinda ran outta money so I have 1 5/8 lt headers and trying to find time to install and tune with the quaterhorse I got here staring at me. Good luck:bigthumbsup:bigthumbsup

What's wrong with 1 5/8" headers on a 347 vs. the 1 3/4"? Obviously the 1 3/4" are bigger, but would it really make that much of a difference on a 347 making around 400 at the crank???

I was looking at CHP's website, they have some great pricing and awesome products. I think that's where I might be looking for my 347 rotating assembly from.

YLDPONY

· #8 · Apr 28, 2011

I'm not trying to rain on your parade, but you did check the deck clearance, right? I'm just mentioning something because in a couple of those pictures it looks like the piston is down in the hole (bore) a little bit. But I don't know if that picture was taken with the piston st TDC....

Lookin great :bigthumbsup

JMertins

Discussion Starter · #9 · Apr 29, 2011

YLDPONY said:
I'm not trying to rain on your parade, but you did check the deck clearance, right? I'm just mentioning something because in a couple of those pictures it looks like the piston is down in the hole (bore) a little bit. But I don't know if that picture was taken with the piston st TDC....

Lookin great :bigthumbsup

deck clearance hasnt been checked yet. when i took those pics it was without any of the cylinders at TDC. ive seen a few write ups on check decl clearance but need to re read up on it before i do anything.

JMertins

Discussion Starter · #10 · Apr 29, 2011

347Vert said:
Get those minimum #30 pounders and 1 3/4" LT headers right away. You will save yourself a few knuckle scraps and profane words trying to switch headers once the engine is in the car. Substantial gains with LTH over shorties. Listen to any of FTI Ed Curtis's recommendations.

im going to run it with the 24's and shorties for a bit at least. the injectors will probably only be in the motor for the first few hundred miles as i break it in then ill get some 30's or bigger before i go in for a tune.

JMertins

Discussion Starter · #11 · Apr 29, 2011

heads showed up today. look pretty much identicle to the 170's i had except these dont have the ports for the cross over tube for the smog pump, which is not going back on anyways.

http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1159.jpg
http://i45.photobucket.com/albums/f76/87yota/347 stroker/IMG_1160.jpg

YLDPONY

· #12 · Apr 29, 2011

JMertins said:
deck clearance hasnt been checked yet. when i took those pics it was without any of the cylinders at TDC. ive seen a few write ups on check decl clearance but need to re read up on it before i do anything.

I hope it works out okay for you, because something similar happened to me last year. I got my block painted all pretty and had all 8 slugs in, I then discovered I needed to have the block decked :hihi:
Yea, I had to disassemble the rotating assembly, and when the block got back from the machine shop I had to repaint it. Oh well, I'd rather do it right at the cost of a little more time.

And those heads look very nice!

Good luck!

JMertins

Discussion Starter · #13 · Apr 29, 2011

YLDPONY said:
I hope it works out okay for you, because something similar happened to me last year. I got my block painted all pretty and had all 8 slugs in, I then discovered I needed to have the block decked :hihi:
Yea, I had to disassemble the rotating assembly, and when the block got back from the machine shop I had to repaint it. Oh well, I'd rather do it right at the cost of a little more time.

And those heads look very nice!

Good luck!

it was decked when the machine work was done so im hoping it doesnt have to be taken down any more. it wouldnt be hard to pull the rotating assembly back out but i would rather not have to do that:nogrinner

Smurf stang

· #14 · Apr 29, 2011

302Feen said:
What's wrong with 1 5/8" headers on a 347 vs. the 1 3/4"? Obviously the 1 3/4" are bigger, but would it really make that much of a difference on a 347 making around 400 at the crank???

I was looking at CHP's website, they have some great pricing and awesome products. I think that's where I might be looking for my 347 rotating assembly from.

Yeah it could make a difference. I don't wanna leave 15 horses on the table. I had it on the rollers and had to abort the run but it put down 360 when the plug was pulled. I just got the quarterhorse on hoping to try it out and learn something this weekend.

YLDPONY

· #15 · Apr 29, 2011

JMertins said:
it was decked when the machine work was done so im hoping it doesnt have to be taken down any more. it wouldnt be hard to pull the rotating assembly back out but i would rather not have to do that:nogrinner

Definitely check it, but if you had some meat taken off the decks originally, you may be okay. From what I have been told, the pistons shouldn't be anymore than .005" in the hole, at the most.
It isn't fun having to tear the rotating assembly back out of the block, but ya do what ya gotta do. Good luck!

Oh, if you want to make any estimates and push some numbers, the stock deck height on HOs is usually ~8.206" as they come from the factory.

302Feen

· #16 · Apr 29, 2011

Smurf stang said:
Yeah it could make a difference. I don't wanna leave 15 horses on the table. I had it on the rollers and had to abort the run but it put down 360 when the plug was pulled. I just got the quarterhorse on hoping to try it out and learn something this weekend.

Are you saying the only difference would be a 15hp loss with the smalle 1 5/8" headers vs the 1 3/4" headers??? Is that the question you were answering here???

Just curious, because I have 1 5/8" headers right now with 2 1/2" collectors (I think... they might be 3" collectors... can't remember) but they are BBK long tubes. When I plan my 347 stroker I need to put these in my plans if I need to...

Sorry if I'm thread hijacking, but I think this kinda goes along with the OP's thread...

Smurf stang

· #17 · Apr 29, 2011

Feen I know what you are saying but it also has to do with combination as you know. I have simple MAC 1-5/8 headers with 2-1/2" collectors and have spoken with people that know and all have said that I need 1-3/4" primaries and a 3" collector to let that puppy breathe and the power is in the collector design.

JMertins

Discussion Starter · #18 · Apr 29, 2011

302Feen said:
Are you saying the only difference would be a 15hp loss with the smalle 1 5/8" headers vs the 1 3/4" headers??? Is that the question you were answering here???

Just curious, because I have 1 5/8" headers right now with 2 1/2" collectors (I think... they might be 3" collectors... can't remember) but they are BBK long tubes. When I plan my 347 stroker I need to put these in my plans if I need to...

Sorry if I'm thread hijacking, but I think this kinda goes along with the OP's thread...

no hijacking here, any info posted here will just help me with my future decisions:bigthumbsup

JMertins

Discussion Starter · #19 · May 6, 2011

not much to update progress wise but i got in contact with Ed Curtis and placed an order for my Cam which should be here in two weeks or so. Next week ill order all my gaskets and what not so i can start assembling my short block into a long block. this is a slow build but once i get the cam and gaskets it should only be another month maybe before i drop the motor in and fire it up

Smurf stang

· #20 · May 6, 2011

So how was speaking with Ed? You should be very pleased with his work :bigthumbsup

Good Luck

1 - 20 of 47 Posts

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