UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 4
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
(X) Check this box if no longer subject to Section 16.
Form 4 or Form 5 obligations may continue. See Instructions 1(b).
1. Name and Address of Reporting Person
Manning, E. Baines
7990 West IH 10
San Antonio, TX 78230
USA
2. Issuer Name and Ticker or Trading Symbol
Valero Energy Corporation
VLO
3. IRS or Social Security Number of Reporting Person (Voluntary)
###-##-####
4. Statement for Month/Year
05/01/98
5. If Amendment, Date of Original (Month/Year)
6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
( ) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other
(specify below)
Senior Vice President
7. Individual or Joint/Group Filing (Check Applicable Line)
(X) Form filed by One Reporting Person
( ) Form filed by More than One Reporting Person
<TABLE>
<CAPTION>
___________________________________________________________________________________________________________________________________
Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned |
___________________________________________________________________________________________________________________________________|
1. Title of Security |2. |3. |4.Securities Acquired (A) |5.Amount of |6.Dir |7.Nature of Indirect |
| Transaction | or Disposed of (D) | Securities |ect | Beneficial Ownership |
| | | | Beneficially |(D)or | |
| | | | | A/| | Owned at |Indir | |
| Date |Code|V| Amount | D | Price | End of Month |ect(I)| |
___________________________________________________________________________________________________________________________________|
<S> <C> <C> <C><C> <C> <C> <C> <C> <C>
Common Stock ($.01 par valu|05/01/|J(1)| |10,133 |A |$32.75 |46,882 |D | |
e) |98 | | | | | | | | |
- -----------------------------------------------------------------------------------------------------------------------------------|
| | | | | | |19,189.884 |I(2) |401(k) plan |
- -----------------------------------------------------------------------------------------------------------------------------------|
___________________________________________________________________________________________________________________________________|
<CAPTION>
___________________________________________________________________________________________________________________________________
Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned |
___________________________________________________________________________________________________________________________________|
1.Title of Derivative |2.Con- |3. |4. |5.Number of De |6.Date Exer|7.Title and Amount |8.Price|9.Number |10.|11.Nature of|
Security |version |Transaction | rivative Secu |cisable and| of Underlying |of Deri|of Deriva |Dir|Indirect |
|or Exer | | | rities Acqui |Expiration | Securities |vative |tive |ect|Beneficial |
|cise | | | red(A) or Dis |Date(Month/| |Secu |Securities |(D)|Ownership |
|Price of| | | posed of(D) |Day/Year) | |rity |Benefi |or | |
|Deriva- | | | |Date |Expir| | |ficially |Ind| |
|tive | | | | A/|Exer-|ation| Title and Number | |Owned at |ire| |
|Secu- | | | | | D |cisa-|Date | of Shares | |End of |ct | |
|rity |Date |Code|V| Amount | |ble | | | |Month |(I)| |
___________________________________________________________________________________________________________________________________|
<S> <C> <C> <C> <C><C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Performance Shares (s|(1) |05/01|M | |1,800 |D | |01/22|Common Stock|1,800 |n/a |0 |D | |
ettlement) | |/98 | | | | | |/99 | | | | | | |
- -----------------------------------------------------------------------------------------------------------------------------------|
Performance Shares (s|(1) |05/01|M | |3,333 |D | |01/23|Common Stock|3,333 |n/a |0 |D | |
ettlement) | |/98 | | | | | |/00 | | | | | | |
- -----------------------------------------------------------------------------------------------------------------------------------|
Performance Shares (s|(1) |05/01|M | |5,000 |D | |01/28|Common Stock|5,000 |n/a |0 |D | |
ettlement) | |/98 | | | | | |/01 | | | | | | |
- -----------------------------------------------------------------------------------------------------------------------------------|
| | | | | | | | | | | | | | |
___________________________________________________________________________________________________________________________________|
</TABLE>
Explanation of Responses:
(1) Settlement, in transaction exempt from Rule 16b-3, of 10,133 performance
shares awarded under the Valero Energy Corporation Executive Stock
Incentive Plan. Settlement involved payment of 10,133 shares of Valero Energy
Corporation Common Stock ($.01 par value).
(2) The information reported herein is based on plan balances as of March 31,
1998. The information does not reflect transactions and holdings
subsequent to that date that are eligible for deferred reporting on Form
5.
SIGNATURE OF REPORTING PERSON
E . Baines Manning
DATE
05/01/98
