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Search: Posts Made By: gungatim
Showing results 1 to 25 of 497
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Forum: C3 General
11-21-2018, 08:45 AM
Replies: 24
Views: 13,339
Posted By gungatim

looks like that MC you got has the wrong seat...

looks like that MC you got has the wrong seat setup. you should have a double flare line, that appears setup for ISO bubble flare on a later GM vehicle. if so you may be able to get an adapter that...
Forum: C3 Tech/Performance
07-25-2018, 12:59 PM
Replies: 4
Views: 771
Posted By gungatim

around $50 in my area, but I've bought them as...

around $50 in my area, but I've bought them as cheap as $5 at yard sales...
Forum: C3 General
07-03-2018, 12:52 PM
Replies: 23
Views: 2,427
Posted By gungatim

I like the smaller heads with a washer like...

I like the smaller heads with a washer like Summit sells. they usually come in a kit. the edelbrocks and other aftermarket intakes have larger holes than stock, I assume for variation in head angle...
Forum: C3 Tech/Performance
10-13-2017, 09:06 AM
Replies: 8
Views: 4,008
Posted By gungatim

just a guess, but you probably installed the...

just a guess, but you probably installed the distributor wrong, or plug wires on wrong.

put #1 cyl on TDC compression stroke and pull the cap. is the rotor pointing to the #1 plug wire? 18436572,...
Forum: C3 Tech/Performance
10-13-2017, 09:03 AM
Replies: 93
Views: 7,449
Posted By gungatim

Hard to believe a fan would take 25-30 hp to...

Hard to believe a fan would take 25-30 hp to drive it. if that were the case, my old chevette would have nearly double the power if I removed the fan!! :0.

I am curious as to how a motor on a dyno...
Forum: C3 Tech/Performance
10-13-2017, 08:55 AM
Replies: 32
Views: 2,943
Posted By gungatim

Ditto on both counts, get a degree wheel and...

Ditto on both counts, get a degree wheel and check cam, and compression. I've had new head gaskets not seal on SBC's before with poor performance after a rebuild.

that non-firing plug bothers me...
Forum: C3 General
09-27-2017, 12:47 PM
Replies: 3
Views: 513
Posted By gungatim

yup.

yup.
Forum: C3 General
09-27-2017, 12:42 PM
Replies: 50
Views: 8,975
Posted By gungatim

Lots of cars had them, my triumph and mg's both...

Lots of cars had them, my triumph and mg's both had them.

I prefer the look without, but if you've ever wanted to take a cooler with you to the beach or a picnic, or take luggage with you on...
Forum: C3 Tech/Performance
09-26-2017, 12:44 PM
Replies: 16
Views: 1,553
Posted By gungatim

I did the same, only it was the '80's, and I got...

I did the same, only it was the '80's, and I got the Haynes manual from the library, lol...made my own tools as well. TH350's, and TH400's are pretty simple. not as many critical tolerances like the...
Forum: C3 Tech/Performance
09-25-2017, 12:39 PM
Replies: 16
Views: 1,553
Posted By gungatim

^^ what he said. the seals and things can harden...

^^ what he said. the seals and things can harden over time even with few miles. if it were me, I'd have the entire thing gone through once it's out of the car. new seals clutches and bushings are...
Forum: C3 Tech/Performance
08-16-2017, 01:06 PM
Replies: 22
Views: 5,948
Posted By gungatim

due to the poor quality of many rebuilt pumps at...

due to the poor quality of many rebuilt pumps at the local parts houses, you would be money ahead buying the HF one, as you may end up going through multiple pumps before you get a good one.

or...
Forum: C3 Tech/Performance
08-16-2017, 12:27 PM
Replies: 11
Views: 1,990
Posted By gungatim

doubt you will get a 40hp increase with those...

doubt you will get a 40hp increase with those bolt on's. the heads are limiting factor. they were designed more for low end torque than horsepower. stock with the TBI was 385 ft-lbs. I assume you are...
Forum: C3 Tech/Performance
08-16-2017, 12:22 PM
Replies: 5
Views: 548
Posted By gungatim

sounds like a bad shock. especially if it is...

sounds like a bad shock. especially if it is sticking down at low speeds putting sustained geometry angle on that side.

you may also find your leaf springs are weak, someone may have added those...
Forum: C3 Tech/Performance
08-16-2017, 09:51 AM
Replies: 38
Views: 2,497
Posted By gungatim

Ditto. not a bad price, I would definitely...

Ditto.

not a bad price, I would definitely put a normally aspirated crate motor in it. blowers are not for the average guy on the street, and you don't see them as often as you used to as they...
Forum: C3 Tech/Performance
08-16-2017, 09:46 AM
Replies: 10
Views: 1,133
Posted By gungatim

definitely a pressure test would help isolate the...

definitely a pressure test would help isolate the issue. there is a tool for that, you need to find a shop that has one. you can't just stick a guage on a Tee in the line, as there are many variables...
Forum: C3 Tech/Performance
08-15-2017, 09:19 AM
Replies: 14
Views: 4,563
Posted By gungatim

MM is not a "high detergent oil", it is just...

MM is not a "high detergent oil", it is just plain old mineral oil and solvent with some dye and fragrance. nothing more.

since modern CAS#'s and MSDS, there is no "Mystery"...

Marvel Mystery...
Forum: C3 General
07-25-2017, 08:38 AM
Replies: 6
Views: 6,073
Posted By gungatim

readjusted the shifting bands?? on a 700R4? ...

readjusted the shifting bands?? on a 700R4?

if the OP can do all that work, he can rebuild the th350 and be done.

I would dump some seal softener in it. you are due for a rebuild anyway. it...
Forum: C3 General
07-20-2017, 07:40 AM
Replies: 35
Views: 1,790
Posted By gungatim

honestly when I work on something that old I use...

honestly when I work on something that old I use the acetylene torch with a small welding tip. wet rag on the caliper or anywhere I want to stay cool and gently heat around the bleeder or line...
Forum: C3 General
07-19-2017, 12:06 PM
Replies: 46
Views: 3,807
Posted By gungatim

sell it for 15 cents on the dollar and chalk it...

sell it for 15 cents on the dollar and chalk it up to a learning experience. an expensive one, but YOLO...
Forum: C3 Tech/Performance
07-17-2017, 08:34 AM
Replies: 8
Views: 980
Posted By gungatim

recheck the distributor timing. make sure tdc is...

recheck the distributor timing. make sure tdc is with both valves closed. rotate the motor by hand a couple times if you have to to verify you know exactly what stroke you are on.

check the plug...
Forum: C3 Tech/Performance
07-17-2017, 08:22 AM
Replies: 16
Views: 1,308
Posted By gungatim

tight on money, and want to do all that work for...

tight on money, and want to do all that work for a 30hp gain?

I would just learn to be happy with 570 hp and put any money toward traction as stated above.
Forum: C3 Tech/Performance
07-17-2017, 08:16 AM
Replies: 28
Views: 4,629
Posted By gungatim

Ok I see. thread should be re-titled electric...

Ok I see. thread should be re-titled electric power booster. that's not the same as electric brakes...

btw the good controllers for a few years now have inertia sensors built into them to help...
Forum: C3 Tech/Performance
07-13-2017, 12:51 PM
Replies: 18
Views: 6,257
Posted By gungatim

I've always used a light coat of sealer on the...

I've always used a light coat of sealer on the plugs I install. helps lube a bit as it is pressed in and seals any irregularities in the block surface. I imagine brass seal better but I've always...
Forum: C3 Tech/Performance
07-13-2017, 09:14 AM
Replies: 28
Views: 4,629
Posted By gungatim

never thought about it before, but my trailers...

never thought about it before, but my trailers have electric brakes. I guess no reason you couldn't use them on a car, but why bother?
Forum: C3 Tech/Performance
07-13-2017, 09:13 AM
Replies: 26
Views: 2,979
Posted By gungatim

GM actually introduced fiber optics in '67, and...

GM actually introduced fiber optics in '67, and they were on a lot of models through the 70's.

My '68 impala had them. not just a vette thing.
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