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I have a 1995 4.3 and a 1999 4.3 the 99 crank went could i put my 99 heads and intake on the 95 shortblock and use it in my 1999 blazer

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  • 2 Answers

Yes you can

Posted on Jan 20, 2013

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Posted on Jan 02, 2017

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SOURCE: 95 gmc cranks but wont start

To run it must get gas and spark from the plugs. Since you say it does start when pouring gas down it then it seems spark and plugs is not part of the problem...so...you are back to it not getting gas....so...something is amiss with the gas supply....fuel pump, filter (which you said are good...how do you know that for sure)....or...possibly look at the gas itself......has the vehicle been sitting for a long time with very low level of gas in the tank...if so then water can condense in the tank and you might be pumping water to the engine....so...dump a bottle of stuff in the tank that gets rid of water...available at any gas station or auto supply ... contains methonal...which will absorb the water and allow it to be burned in the engine. Still...I doubt that is the problem but it is cheap ($1 to $2) and will not hurt to try. You might actually be flooding the engine with gas by the way you try to start it. I suggest you let it sit for 30 minutes or so....then retry starting it. Use the procedure of NOT pumping the gas pedal but instead slowly push the pedal to the floor and hold it there not moving you foot and then crank the engine until it starts...but not more than 30 seconds at a time with rests in between of at least a few minutes to prevent starter overheat and damage to it. If you had been flooding the engine then this procedure should clear out the flooding and allow it to start. Also, if, as mentioned, the level of gas in the tank is lmost empty then put a little more gas in the tank. Somehow it seems you may not be getting gas or if you are then it is been flooded and will not start. I hope the procedure helps some.

Posted on Aug 22, 2009

emissionwiz
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SOURCE: Can i use an 89 4.3 engine in my 95 blazer it has

they have different cylinder heads.

Posted on Mar 11, 2010

Molson02536
  • 3854 Answers

SOURCE: my 95 blazer 4.3 will not start, it cranks, has

Try replacing the fuel filter, but it sounds like you have a weak fuel pump. Your cold start pressure should be 62-65 psi and drop about 5 psi when the engine is running. Anything less then 62 psi is going to cause you to have starting issues, you can also test your fuel pump by blocking off the return line to see if you get 75-78 PSI. this is just a test to see if your fuel pump is still good. If you have less then that with the return line blocked off, replace your fuel pump but check your ground wire first. The ground wire is separate from the wire harness and grounded to the frame and a bad ground will give you a weak pump.
Thank you for using Fixya and good luck

Posted on Mar 20, 2010

  • 178 Answers

SOURCE: can you put vortec heads intake and factory fuel

yes tbi and vortec are compatible only thing changing is the intake gaskets make sure to order the gaskets according to the intake you are using i hope i was helpful please let me know if you have further questions and i'll be glad to assist you.

Posted on Mar 06, 2011

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1 Answer

95 Blazer,and 2000 blazer do they come with the same engine and trans, and will they match up the same wire wise


No. The cylinder heads and intake are different. If you have a 95 and are using a 2000 as a replacement, you will have to change the intake assembly along with the cylinder heads. The transmission from the 95 will have to be modified at the bell housing cover. The oil pan will be different but will still work from the 2000. You will need gaskets for the 95 year if you swap over the heads and intake. Once the heads and intake are swapped, the wiring will be the same

May 15, 2015 | Cars & Trucks

1 Answer

Is a 95 and a 99 4.3 block the same could i swap out heads and intake to make the 95 work in my 99


the blocks are the same, as far as heads and intakes i am not sure. even though they are both vortec engines it seems that every year vehicle engineers change something on the intake and fuel systems to raise the cafe ratings or meet EPA guidelines. the difference might be as subtle as different intake port shapes. compare the two, what i do is take pictures of one and compare it to the other.

Jan 20, 2013 | 1995 Chevrolet Blazer

1 Answer

Unable to remove heads on a '95 blazer 4.3 after all bolts have been removed. Please advise, thanks.


ifyour sure that all bolts are removed...and intake and all parts are removed...then take a piece of 2x4,and lay it against the head,and strike it with a hammer a few times. this should help pop it loose.just DONT hit the hed with the hammer!!

May 02, 2010 | 1996 Chevrolet Blazer

1 Answer

I wanna change my engine in my 95 blazer it has the 4.3,with a 94 4.3.I know the 94 is tbi and the 95 has spider injectors.What do i have to do to make it work.I know i have to change out the intakes.Do i...


you will have to swap intakes dist. timing cover and harmonic balancer so you have the mounting whole and reluctor ring for your ckp crank postion sensor. cmp cam postion sensor is in the distributor,

Mar 10, 2010 | 1995 Chevrolet Blazer

1 Answer

Will a 1996 4.3 fit and run in a 1995 blazer


if you change the heads it should the intake and heads are both different from 95 to 96

Mar 07, 2010 | 1995 Chevrolet Blazer

1 Answer

Crank but no start


Check all vacuum lines to the parts that were removed

Jan 01, 2010 | 1993 Chevrolet S-10 Blazer

1 Answer

Cranks but injectors not working.


TRY CHECKING THE KEY SWITCH. IT MAY BE DEFECTIVE. THANKS FOR USING FIX-YA. GOOD LUCK

Sep 05, 2009 | 1991 Chevrolet S-10 Blazer

2 Answers

Rought idle


There is a tester you can use that screws on the radiator cap and you can pump it up to see if it has a leak down effect in the system.. This wont tell you where its exactly going but tells you if there is a leak in the head or intake gasket.. probably should start with the intake and replace it and see if it does the trick .. if not then tear it down and replace the head gaskets and or check heads for cracks also.. thanks Jerry

Apr 21, 2009 | 1994 Chevrolet S-10 Blazer

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