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My 82 GT Empty My 82 GT

Post  1982GT on June 18th 2015, 4:51 pm

I've already posted few pictures in my introduction...

- 466 swapped 82 GT
- .030 over with hypereutectics
- stock d3 heads
- an extinct general kinetics cam that was found brand new in the box... .522 lift intake and exhaust,  duration is around .234@.050
- torker 2 intake with an 850 holley carb
- c4 transmission with a 4000 convertor...( yeah, I know it's a little on the loose side )
- 9" rear with 3.50 gears
- aftermarket adjustable upper and lower control arms
- strange adjustable rear shocks
- through the floor frame connectors
,I managed to keep cost down by fabbing engine mounts, headers and a lot of the other misc pieces to put it together. At the end of last season, I managed the best of a 12.0 @ 110 with a 1.65 60' on it's second trip to the track....time for some more tuning....

My 82 GT IMG_0150
My 82 GT IMG_0178
My 82 GT IMG_0152
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My 82 GT Empty videos

Post  1982GT on June 18th 2015, 4:54 pm

a couple of short videos

My 82 GT Pbucket

My 82 GT Pbucket
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Post  Rich Osmond on June 18th 2015, 8:12 pm

Nice job! Keep us posted on the tuning.

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Post  1982GT on June 18th 2015, 10:18 pm

Rich Osmond wrote:Nice job!  Keep us posted on the tuning.

Thanks, as of right now its apart for a trans rebuild. While its apart, I'm thinking about installing my P.I. heads. I think the little bump in compression and the larger valves should give it a little more punch.
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Post  udelose466 on October 5th 2015, 7:32 am

Wow! That is a perfect street car. Kudos. It's funny...I live in Florida now but I knew you were at Milan in the first pic. I grew up in Detroit and have been down that track 100's of times

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Post  supervel45 on October 5th 2015, 7:44 am

1982GT wrote:
Rich Osmond wrote:Nice job!  Keep us posted on the tuning.

Thanks, as of right now its apart for a trans rebuild. While its apart, I'm thinking about installing my P.I. heads. I think the little bump in compression and the larger valves should give it a little more punch.
Are you going to change the converter? A 2,800 stall and a 150 shot plate would be sweat. I would do some port work on the exhaust of the PI's and throw them on. Might want to check and make sure your headers cover the exhaust ports first, they are a little taller, also need to go to a CJ size intake, or port match if you can what you have now. Nice street car, that has 10's written all over it.

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Post  1982GT on October 5th 2015, 8:43 am

supervel45 wrote:
1982GT wrote:
Rich Osmond wrote:Nice job!  Keep us posted on the tuning.

Thanks, as of right now its apart for a trans rebuild. While its apart, I'm thinking about installing my P.I. heads. I think the little bump in compression and the larger valves should give it a little more punch.
                                                                                                                         Are you going to change the converter? A 2,800 stall and a 150 shot plate would be sweat. I would do some port work on the exhaust of the PI's and throw them on. Might want to check and make sure your headers cover the exhaust ports first, they are a little taller, also need to go to a CJ size intake, or port match if you can what you have now. Nice street car, that has 10's written all over it.

Plans have changed. I think I'm going to invest in a set of heads, cam and intake. At that time, I'm going to have a new converter built.
My C4 trans took a dump earlier this season so,I just finished my first transmission rebuild/modification. The intermediate clutches decided to weld themselves together. I've replaced the forward and intermediate clutch assembly with ones from Broader performance. The forward clutch is a modified 6 disk set up for transbrake. The intermediate is also a 6 disk with oiling mods. I also installed a Broader transbrake valve body. So far the trans has performed flawlessly. Other than that, nothing has changed. Hopefully I can get it to the track before the snow flies.
Thanks for the input!
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Post  supervel45 on October 5th 2015, 9:20 am

You going roller cam?

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Post  1982GT on October 5th 2015, 10:14 am

supervel45 wrote:You going roller cam?

Since this is primarily a street car, I'm going with a solid flat tappet cam.
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Post  supervel45 on October 5th 2015, 10:48 am

That will work. Have you picked the heads yet?

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Post  1982GT on October 5th 2015, 11:22 am

supervel45 wrote:That will work. Have you picked the heads yet?

Probably Kasse SCJ.
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Post  supervel45 on October 5th 2015, 11:37 am

Those will scare off all your Chevy races, if you pop the hood. Wink

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Post  1982GT on October 5th 2015, 11:52 am

supervel45 wrote:Those will scare off all your Chevy races, if you pop the hood. Wink

We can only hope so!
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Post  supervel45 on October 5th 2015, 11:54 am

That's no fun, I'd rather take their money.

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Post  1982GT on October 5th 2015, 4:41 pm

supervel45 wrote:That's no fun, I'd rather take their money.

Although I rarely lift the hood, the sound usually gives it away! Most of the veteran car guys aren't buying the 5.0 tags on the fender. Usually hear them saying to their buddies..." That ain't no 5.0!"
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My 82 GT Empty Heads, cam, and intake

Post  1982GT on January 8th 2016, 9:17 am

Well, I finally picked up a set of heads. I decided to go with the ford motorsport scj heads. They were better suited to my cubic inch and budget, with plenty of room for future growth. I'm replacing the camshaft and adding a victor intake manifold and a 4500 series carb. A switch to E85 fuel is also in the works, so I'll have a carb built accordingly.

All of this will be accompanied by a few suspension upgrades and definitely safety upgrades.
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Post  gmsmkr on January 8th 2016, 11:14 am

Don't forget to have new valve notches cut in the pistons for the intake side with your new heads and cam swap
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Post  1982GT on January 8th 2016, 12:38 pm

gmsmkr wrote:Don't forget to have new valve notches cut in the pistons for the intake side with your new heads and cam swap

I appreciate the advise! After researching through the forums, I knew that this was a must. I do have a set of cutters to cut the valve reliefs. I've read .150 should do the trick on the depth, but I need to check into it more. I know clay will help rather than guessing.
Any other suggestions would be greatly appreciated.

Thanks!
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Post  supervel45 on January 8th 2016, 1:31 pm

Since you are going with E85 I would think about decking the block if it has not been done already and maybe shaving the heads to get the compression up more to make the most out of it.

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Post  1982GT on January 8th 2016, 1:51 pm

supervel45 wrote:Since you are going with E85 I would think about decking the block if it has not been done already and maybe shaving the heads to get the compression up more to make the most out of it.

I'm running flat top pistons, and if I'm not mistaken, the motorsport scj heads are advertised with having 72cc chambers. I'm running the later 10.32 deck. I know it wont be exact, but does anyone know roughly what the compression might be? My guess was around 11-11.5:1...maybe a little higher??
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Post  gmsmkr on January 8th 2016, 1:54 pm

What cc is the piston ?
how far in the hole are the pistons ?
what is compressed head gasket thickness ?
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Post  1982GT on January 8th 2016, 2:19 pm

gmsmkr wrote:What cc is the piston ?
how far in the hole are the pistons ?
what is compressed head gasket thickness ?

I new you would ask...I'll have to cc the pistons after I cut the new reliefs, and measure how far in the hole the piston is.
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Post  supervel45 on January 8th 2016, 3:23 pm

http://www.wallaceracing.com/cr_test2.php I came up with 10.88 CR. That was with 6cc valve relief's .030" in the hole .043" gasket 72cc chamber. You can re-run the numbers in the calculator and double check it.

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Post  69F100 on January 8th 2016, 4:39 pm

My old 460 with flat tops and dove heads 72cc was 10.6 it was a d9 block
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Post  1982GT on January 26th 2016, 12:38 am

I've disassembled one of my Motorsport SCJ heads. I was surprised to see how much blending is needed in the exhaust valve pocket.



My 82 GT IMG_1157


Last edited by 1982GT on January 26th 2016, 12:39 am; edited 1 time in total (Reason for editing : grammar)
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