length across the roof of the port just shy of 4"... length along the floor of the port 2.4"

Looks good! When you are using the burrette to cc the combustion chambers, how do you keep them the same volume? Not easy... BUT I typically do the following... 1) remove the material that promotes pre-ignition clear to the "joggles", 2) measure chambers once all are @ 90% complete, 3) kn...

Here is a view of the last 2 chambers. Chamber 4 has had preliminary deshrouding. http://i79.photobucket.com/albums/j143/oldeskewltoy/MOmo/ports3and4-4done_zpsdc152064.jpg The main purpose of this photo is to show the lighting for the exhaust ports. A 2 panel to show not only the short radius, but i...

replied......

that is a TVIS piston

still available......

hmmmm, I have an AE86 for sale - viewtopic.php?f=26&t=6221

Its in Portland Oregon... your car and cash and I'm interested.........

Would the same be worth doing for the block? There can be some nasty casting lines in there. I did some casting line removal on the '97 4A-FE block I'll be using for my build. Hardest place to reach was the oil drain back from the head, with the divider, whatever that's called. I couldn't get my Dr...

Well its off to Loynings to get it cleaned.... http://i79.photobucket.com/albums/j143/oldeskewltoy/MOmo/cleanbeforedeburringcamside_zpsf92ed115.jpg Well.... I had it cleaned and pressure tested... but not @ Loynings. Loynings is VERY busy this January, and it would have taken 2 to 3 days to get it ...

As always... it really depends on the specs........

Hi All, Beginner here, so please bear with me. If I slap some cams in my 4AG to get a bigger valve lift, do I need to modify the pistons to accommodate the extra lift? And if I shaved the head a bit, same question? Thanks, Brian slapping in cams... :roll: you can lose power by incorrectly installin...

If you don't want to wait for ebay for a FSM (factory service manual), you can frequently get them from here - http://www.faxonautoliterature.com You don't need an air compressor, and unless you KNOW what you are doing... it is likely far better for you to NOT use air tools... http://www.club4ag.com...

I'd say polish that exhaust chambers when you're there :D the exhaust ports when finished will be well polished wow, that head is a good casting. Looking forward to seeing your work, OST. This is a VERY good casting... almost worthy of a "spec" build... A few additional photos while I wai...

right, but are they (7a) running 10k rpm, which means it will have to have an even higher rev tolerance to sustain a 10k rpm redline, right? mis shifts and everything. and what do those engines run price wise? Most engine guys... would rather make the power lower in the rpm band if they can. Twisti...

http://i79.photobucket.com/albums/j143/oldeskewltoy/MOmo/ost-024_zps4d18374e.jpg Its been way too long... way back in August... and that was just an assist. I've been busy helping Arnie with a few tasks, but with the ever lengthening day... and potential clients dreams of ripping through a back cou...

yep... I missed the head gasket.... Cometic 1mm

What I'm particularly interested in is the final squish (final distance of pistons edge to flat edge of head)

CRS5290H3D - appears to be a Honda B16 rod....

Are you using a OEM crank or an aftermarket crank?

... the simple facts are the 4AG head basically runs flat (flow) @ about 7.2 mm or so. To optimize the 193B's 9mm of lift you really need a good porting job. Good information. So would porting alone get be enough, or would I have to go to bigger valves ? As you say, bigger valves are a major step u...

hubble308 wrote:I've got two t50's for sale (just the T50 unit) both have 3tc bell housings. Make me an offer. I'm in the Portland area.

how many spline output? (what year are they)

apologies for the thread diversion...... Not 4AG... but as far as throttle body size... this Toyota GR1 is running a 40mm restrictor, and makes nearly 440hp But how much would it make without restriction? Without restrictor.... with ITB's... about 15hp more @ peak........ but 40 less between 4500 an...

... are you going to be using O/S valves? Early days yet... but I just happen to have an unopened low mileage smallport sitting in storage, and I am thinking of building something with a bit more snap, crackle and pop than my current smallport. I'm more interested in making good torque across the r...

you have a lot of numbers there... some missing....... What head gasket thickness are you using? What is the final deck height? What is the measured chamber volume? Here is what we do know... 3.268 is bore, 3.366 is stroke, piston volume is -2.3cc Also.... pin diameter of 21.01mm?? What rods are you...

I happen to know for a fact that Loynings does use some 7A blocks... and they have built a few of those with 91mm stroke!!! :o Not 4AG... but as far as throttle body size... this Toyota GR1 is running a 40mm restrictor, and makes nearly 440hp http://i79.photobucket.com/albums/j143/oldeskewltoy/Toyot...

ssspacely wrote:what is your turn around time? I am interested in upgrading to mild cams as well. thanks.

typical turn around for my work is about 2 weeks, add in a Loyning 3 angle and add a week.

best to send me an email to oldeskewltoy@yahoo.com

Hey guys, I havent posted in here for a long time. I'm looking for a nice, decent Gt-S for sale in Oregon. I live close to Corvallis, but would not mind driving down to eugene or up north to Portland to check out a decent, clean and safe one. Please let me know if you are selling one or know of a g...

jondee...

are you going to be using O/S valves?

I've not yet seen an aftermarket piston that is designed for use with standard valves.... except Bean Bandits, but he had his built with a lower comp height(30mm instead of 30.5)

145whp(170 @ the crank?), relatively flat torque..... all well under 8000rpm :o http://i79.photobucket.com/albums/j143/oldeskewltoy/ae71/dyno2610surreptitious3.jpg On almost all stock parts... :mrgreen: the engine has Web Camshafts(similar to 264 type), TRD valve springs, and light weight wrist pins...

coated bearings are fine for engines that come apart every 1000-5000 miles... you don't want coated bearings in a 60k+ mile type engine.

Hey guys, Just made my account 5 minutes ago hoping to get some input on my build I've got planned up. Its fairly ambitious and going to be a costly s.o.b. but I'm into the car so that's that. Car its self is an 88 AE92 Here's the plan in detail. Head - Big Port 16v(yeah I know)... Needs Valve Cove...

not knowing enough about the character of a stroked blacktop... I'll assume for now the stock ECU is capable... the likely problem you will encounter is building the crank and rods... the stock 7A parts are not known to withstand high rpm stress loads well, even race shops tend to limit 7A builds to...

morningstarr86 wrote:What would be the best compression ratio for a NA Blacktop with a 7A-FE block?

What are you planning on using this for? What engine management do you intend to use?

Stock blacktop is 11 to 1... no reason you can't use that as a basis to build the stroker