Engine problems

[blu3fan]

So we built my 4.7 stroker
Bored 30. Thou over
Skat 4.2 crank
4.2 Rods
Comp cams xtreme cam (ill get the model number in a bit)
Comp cams valvetrain
Head was warped so they fixed that
Yells terra roller rockers
Mustang injectors

If anyone wants part numbers ill get them ( sorry been a while since I actually bought all this)
So we put her all together and started her up. First try she started, a little erratic idle at first. Then left
Moved house car was towed,
Went for startup. No fuel pressure wouldn't crank, figured out it was the fuel pressure regulator, replaced that
Now she starts. But won't stay on less you hold the gas, now it smells like gas. Valvetrain is loud. And won't go past 2700 rpms ideas ?

[Cheromaniac]

Bored +0.030" your engine's actually a 4.6 (4587cc to be exact).
You said you have the CompCams valvetrain. If that also includes the valve springs, they're probably way too stiff. Valvetrain could be loud 'cause the lifters haven't pumped up. Do you have oil pressure? You may need to spin the oil pump with a drill.
Check your distributor and make sure it's indexed properly. You have fuel, air, and spark but it seems that they're not timed correctly.

[blu3fan]

sorry its been a while.
mopar valvtrain.
bored it 30 thou over stroked to 4.7
skat crank
comp cams K68-231-4 cam
mopar valvetrain
new stock pushrods
pistons and rods i dont know got them off ebay but they were good quality
yella terra 1.6 roller rockers
flowcooler water pump
upgraded oil pump
mustang injectors
new spark plugs reused distributor

oil pressure is about 60 on the gauge fluctuating a little bit.
im going to reindex the distributor tommorow. sorry moved house again. now i have time to fix her.
we did a fuel pressure test. good pressure.
i need to do a volume test tommorow also. ill get back to you with result
i found out i missed a wire so ill hook that up tommorow and test all the ones i hooked up allready. i have a drain

[blu3fan]

also im going to pull a spark plug tommorow.
heres what it does. it struggles to 2800 then in half a second is at 2400rpms sounds like a misfire/backfire.

[gradon]

As said already, it's probably the distributor that needs to be indexed and bored +.030" with the 4.2l crank is a 4.6l, not a 4.7l(go +.060" for that).

[blu3fan]

the distrubutor needs to be indexed ? bored ? how would you bore a distributor ?
i reindexed yesterday. if i change to anything but where i had it it wont start.

[honkysXJ]

Cylinder bore +.30=4.6 ,+60=4.7, if your bore is .30 over your at 4.6,not 4.7!

[blu3fan]

spark plugs are good very clean still. no signs of anything abnormal

[blu3fan]

also. there is a wire, comes out of the harness by the fusebox between battery and fusebox. goes into a plug like a long connector.then to an 8 gauge wire its black with a grey line down it. wire was live so i hooked up to the battery terminal. im convinced this is wrong tho but i have no clue where it hooks up to. has a loop on the end. im thinking it could hook to alternator but not sure. ill get a pic up tomorrow

[blu3fan]

another thing I found out today. while car is running. blinkers don't work neither do brake lights or headlights. while car is off. both work. don't think its related but who knows.

[blu3fan]

starting to think the fuel pump is possibly clogged/bad when i drained the tank there was a few particles in there. it did sit for four years. allready changed filter

[blu3fan]

replacing fuel pump tomorrow did a fuel volume test. and it barely pumped what it should. hopefully this is the fix

[Rinkrat456]

Sorry no one is replying to your thread. Seems too many folks are hung up on the 4.6L vs 4.7L math. (I think he must have offset ground the crank to achieve those last few CC's, correct me if I'm wrong)

Have you measured the fuel pressure at the fuel rails before changing the pump?

[SilverXJ]

For reindexing the distributor see here: http://www.angelfire.com/my/fan/dist_index.html its the number one cause for running issues on a new engine.

Did you measure pressure while the engine was running and reving/driving or just key on, engine off?

[blu3fan]

napa gave me wrong pump strainer so im waiting on that, comes in tomorrow, i noticed a lower fuel volume reading than normal so just to be safe. changing the pump
i have great fuel pressure until it misfires at 2700rpm then it drops suddenly at first i figured it was normal with a timing problem. but the fuel volume isn't correct its a little short of what it should be
im going to check the distance is 3cm on the dizzy just to be doubly sure, but im 99% sure its correct. and if its not.
then here is my list of what I've done.
ran fuel injection cleaner through
changed fuel pressure regulator
changed fuel filter
checked all fuel lines for damage
checked all fuel injectors visually. i have 8 so my last thing to try on the fuel side is changing one by one with the extras
distributor is stock i reused and got a new cap and wires.
Reindexed distributor like 20 times now
i have not yet checked spark plug clearances but who knows. so that's on my list.
i have spark at all wires though.
found frontpipe wasn't fully tight, had little to no change.
another thought on my mind was that the loud valve train may be a symptom and its a top end problem. i have stock pushrods and yella terra 1.6 rockers up top geometry issue ? but thats worst case scenario since they shouldn't. but at this point it wouldn't surprise me, also due to the fact that I had heard from everyone these roller rockers make the valvetrain "whisper quiet"