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I need some spark plugs for my stock 68 327/350. I know that AC 44s are not available so the suggestion is running AC 43s which are a bit cooler. Ive been running a bit rich so it was suggested for the around the town driving I do to go up to a 45s. Some say thats fine others warn against a...

My 68 327 has a referbed quadrajet on it. My mechanic had this thing set to idle at 600 rpm. I want to adjust it to idle at the proper 750 rpm. I understand there are 2 idle speed screws, the base idle screw and the fast idle screw. I'm familiar with Holley carbs but the quadrajet is confusing...

My car wont start and is backfiring through the carb when cranking. Was running the day before though not well ,hesitating and episodes of bucking /sputtering then running better. I have been chasing this problem for awhile but now its stuck in the garage and wont run. Fuel is being deliver...

Anyone know what AC Delco voltage regulator is the right part # for a 68 corvette 327 with no AC or other power options ? I have seen AC Delco 663 and AC Delco 635. I tried and after market BWD unit but it has a metal lip that came up too high and interfered with the stock plug in part (plug...

I am swapping out my Holley for my 1968 Rochester carb. The holley had a male fuel fitting so I can hook up my rubber fuel line to it. The Q Jet has a threaded female fitting. I am trying to find a threaded male connector that I can screw in to the Q jet fuel inlet so I can attach the rubber...

I am switching out my Holley spreadbore carb for a Q jet on my 68 327/350 and want to be ready to install it without surprises. Not being familiar with the Q jets attachments I have included an attached photo for questions on the pictured rear of the carb. 1. What does the threaded hole at...

Any opinions on a replacement carb for a 68' 327/350 stock spreadbore manifold? I have a 650 cfm holley double pumper on now. Its worked fine for years but its been giving me some issues. I am considering replacing it with either a new Holly double pumper spreadbore or a rebuilt quadrajet.

My 68' holley carb is not up to par. has anyone switch to an EFI system eg. Holley sniper EFI?

My car was in storage for years. it has an aftermarket radio that was put in long ago. It was working though the on off knob would crackle/scratchy when turned on. sounded like the contact was dirty or corroded from sitting so long but it did work once it was on. The other day it didnt work ...

Just pulled right rear wheel off and noticed fine metal flecks on inside of wheel and along trailing arm etc. have been noticing a rubbing ,scraping sound coming from the rear of car lately. Bearing problem? any other possibilities? Assuming its a wheel bearing is it a difficult do it yourself...

Okay, I have the new rear differential carrier to chassis bushing set. This is no where as easy as expected. to remove the old bolt that secures the bushings I sprayed the old bolt good with PB blaster no luck. I cant get the bolt loose it just spins and there does not seem to be any wrench that...

I have noticed an occasional rear end clunk when shifting gears, particularly 1st to 2nd especially if I let the clutch out quickly. If I ease out the clutch it helps eliminate the clunk. Sounds like its right rear but cant tell for sure. Thought it might behalf shaft U joints but I have read...

I need a coil for my 68 327/350. The coil in now is a chrome accel but its years old with no defining information on it. I see that after market coils have all types of Ohm ratings. i have seen .6 up to 1.5 primary resistance ratings on aftermarket coils. Looking at my shop manual I see a rating...

I am planning on replacing my shocks on my 68' starting with the rear. Any suggestions on brand/type etc. I cant spend the big bucks so I'm looking for a good quality shock that will last without braking the bank.

Just pulled the plug to check rear posi fluid levels. When I ran the bolt back in after checking I noticed that the plastic posi traction warning tag that collars the bolt moves freely. The bolt is in as tight as I can get it and it went in smoothly without misthreading. Anyone know if this is...

I just put on a new water pump belt. My old brittle one from 20 years ago that i just pulled off has a Gate # of 7325 which Gate tells me they have the same belt # now as well (and is listed as the replacement # for the original GM part). I measure both belts and they are very close but the...